CA1184002A - Tampon applicator - Google Patents
Tampon applicatorInfo
- Publication number
- CA1184002A CA1184002A CA000397159A CA397159A CA1184002A CA 1184002 A CA1184002 A CA 1184002A CA 000397159 A CA000397159 A CA 000397159A CA 397159 A CA397159 A CA 397159A CA 1184002 A CA1184002 A CA 1184002A
- Authority
- CA
- Canada
- Prior art keywords
- tampon
- outer sleeve
- sleeve
- inner sleeve
- shutter means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/20—Tampons, e.g. catamenial tampons; Accessories therefor
- A61F13/26—Means for inserting tampons, i.e. applicators
Abstract
ABSTRACT OF THE DISCLOSURE
This invention relates to a tampon applicator. More parti-cularly, this invention relates to an application system for hygienic introduction of a tampon which comprises a substan-tially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an outer diameter substantially the same as the inner diameter of the outer sleeve and a flanged end, and a substantially cylindrical tampon, wherein (a) the front end of the outer sleeve is a conically rounded lamellar shutter means consisting of a ring of tulip-shaped, folded, individual lamellae abutting a cir-cumferential groove, the shutter means being normally closed and opening during ejection of the tampon, the circumferen-tial groove acting as a hinge means; (b) the outer sleeve consists of a high-gloss, plastic-coated paper, said paper being coated on the outer surface and said coated paper being readily water degradable or water dispersible; (c) the inner sleeve is comprised of water degradable or water dispersible paper; (d) the inner surface of the outer sleeve and the outer surface of the inner sleeve have co-efficients of friction such that they do not readily slide without applied pressure but on application of slight manual pressure readily slide, thus facilitating the opening of the lamellar shutter means and ejection of the tampon; (e) the outer sleeve has a grip in the form of a scoring; (f) said inner sleeve has substantially the same length as the outer sleeve; and (g) the outer sleeve, inner sleeve, and tampon form with the closed lamellar shutter means at the front end of the tampon a substantially closed system.
-A-
This invention relates to a tampon applicator. More parti-cularly, this invention relates to an application system for hygienic introduction of a tampon which comprises a substan-tially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an outer diameter substantially the same as the inner diameter of the outer sleeve and a flanged end, and a substantially cylindrical tampon, wherein (a) the front end of the outer sleeve is a conically rounded lamellar shutter means consisting of a ring of tulip-shaped, folded, individual lamellae abutting a cir-cumferential groove, the shutter means being normally closed and opening during ejection of the tampon, the circumferen-tial groove acting as a hinge means; (b) the outer sleeve consists of a high-gloss, plastic-coated paper, said paper being coated on the outer surface and said coated paper being readily water degradable or water dispersible; (c) the inner sleeve is comprised of water degradable or water dispersible paper; (d) the inner surface of the outer sleeve and the outer surface of the inner sleeve have co-efficients of friction such that they do not readily slide without applied pressure but on application of slight manual pressure readily slide, thus facilitating the opening of the lamellar shutter means and ejection of the tampon; (e) the outer sleeve has a grip in the form of a scoring; (f) said inner sleeve has substantially the same length as the outer sleeve; and (g) the outer sleeve, inner sleeve, and tampon form with the closed lamellar shutter means at the front end of the tampon a substantially closed system.
-A-
Description
: I
!
'r3~
TAMPON AppLIcAToR
.i ; This învention relates to a ~ampon applicator. More s p~rticularly, this invention relates to an application ~~ !
j ~he hygienic introduction of a tampon during ~he menstrual. I
c~cle of a woman, the applicator ha~ing a substantiall~ cy~ ' lindrical sleeve to facilitate in~roduction and a displace~
able inner sleeve for ejecti~g the tampon~
10 ' ~n applicator~tampon, such as, for exampler that de-scrîbed ~ German published application (~E-AS~ NoO
.
20 43 293, has the advanta~e of clean and hygienic intrsduc~
tion, as compared to that of a digital tampon. Such appli-cator-tampons must meet a number of gynecological, envixon-mental, and marketing criteria which are partly contradic~tory. To avoid i~jury to tissues during in~roduction into the vagina, the applicator materiAl should have a smooth surface~ For reasons concerning sensual impact, however, the surace should not be cold, hard, or plastic. In addi-tion, the applicator should be water degradable or waterdispersible, so that it can be disposed in a toilet. To also avoid injury to tissues during introduction of the tam-pon, the fxont end should be conica:lly rounded. However~ it 't 3Q~
should be possible -to easily open this end during ejection of the tampon so that the expulsion pressure does not exceed 50~ grams during ejection.. On the other hand, the front end must not open so easily that the tampon would drop out from the sleeve and become contaminated before use. The applicator should thus form a substantially closed system.
Finally, despite the requirement for a smooth surfacej a grip would be advantageous for easy handling of the applicator.
It is an object of this invention to provide an applicator for a tampon.
It is also an object of the invention to pro~ide an applicator system which meets the g~necological, environmental, and marketing criteria discussed above.
It is a further object of the invention to provide an appli.cator system for hygienic introduction of a tampon which comprises a substantially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an outer diameter substantially the same as the inner diamete:r of the outer sleeve and a flanged end, and a substantially cylindrical tampon, wherein (a) the front end of the outer sleeve is a con.ically rounded lamellar shutter means consisting of a ring of tulip-shaped, folded, individual lamellae abutting a circumferential groove the shutter means being normally closed and opening during ejection of the tampon, the circumferential groove acting as a hinge means; (b) the outer sleeve consists of a high-gloss, plasti.c-coated paper, the paper being coated on the outer surface and the coated paper being readily water 3~ degradable or water dispersible; (c) the inner sleeve is comprised of water degradable or water dispersible paper;
, . . .
sd/~Q -2-(d) the inner surface of the outer sleeve and the outer surface of the inner sleeve have co-effici.ents of frictio such that they do not readily slide without applied pressure but on application of slight manual pressure readily slide, thus facilitating the opening of the lamellar shutter means and ejection of the tampon; (e) the outer sleeve has a grip in the form of a scoring; (f) the inner sleeve has sub-stantially the same length as the outer sleeve; and (g) the outer sleeve, inner sleeve~ and tampon form with the closed lamellar shutter means at the front end of the tampon a substantially closed systemO
l'hese and other objects of the invention will become more apparent in the discussion below~
Fig. 1 represents the three parts of the invention in disassembled form;
Fig. 2 represents the embodiment of the invention shown in Fig~ 1 in assembled form; and Fig. 3 represents a view of an embodiment of the invention with the tampon partly ejected.
sd/~
..~
! .
j.
Applicants have developed an applicator system which meets the above-mentioned gynecological, environmental~ and marketin~ criteria in an optimum fashion. According to their invention, an applicator system compxises a substan-tially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an ou~er diameter substantially the same as the inner diameter o~ the outer ~ slee~e and a flanged end, and a substantially cylindri~al tampon, wherein (a) ~he front end o~ ~he outer sleeve is a . conically rounded lamellar shutter means consisting of a ring of tulip-shaped lamellae abutting a circumferential ! ~roove acting as a hinge means, the shutter means being .. normally closed and opening during ejection of the tampon;
(b) the outer sleeve consists of a high-gloss, plastic-coated.paper, said paper being coated on the outer surface and said coated paper being readil~ water degrada~le or water dispersible; (c) the inner sleeve is comprised of.
water degradable or water dispersible paper; ~d) the inner surface.of the outer sleeve and the outer sur~ace. of the innex sleeve have co-e~ficients of friction such that the~ ' do not readily slide without applied pressure but on appli- i cation of slight manual pressure readily slide,thus facili- ,' tating the opening of the lamellar shutter means and ejec~
tion of the tampon; (e) the outer sleeve has a grip in the form of a scoring; [f) said inner sleeve has su~stantially the same length as the outer sleeve; and (g~ the outer !
sleeve, inner sleeve; and tampon form with the closed lame]lar shutter means at the front end ol the tampon a sub-stantially closed system.
The above-mentioned requirements are all met at the samej time by the material, shape, and functional design, as well !
as by the ease of manufacture~ of ~he applicator system according to the invention~ The outer sleeve is compxised of a high-gloss paper which can be coated on ~he outer sur~ , face with plastic and printed in colors. The plastic coat can be applied to the paper b~ means o an extruder over a slot die. The re~uirements for the plastic coatin~ are fairly non-specific, Howeve~ in accordance with o-ther re~
quixemen~s of the invention, a coat ~hickness of rom abou~
15 to 30 g/m is preferred~ The plastic should be a polymer which is degradable r dispersible, or even soluble in water.
Polyethylene or polyprop~lene containing suitable wetting agents or other additives are preferred coating ma-terials, but ot~er materials, such as, for example, polyvinylidene chloride or a readily water soluble pol~ner 5uCh as pol~- i vinyl alcohol, can also be used~ The paper itself can be ~irtually any suitable wood pulp product which is rigid enough to function as a sleeve according to the invention and is then water degradable or water dispersible, so as to be disposable in, for example, a toilet. The inner sleeve can be comprised of the same paper or of a similar pulp product that is water degradable or water dispersi~le.
' I
o~
Either the inner sleeve.or the outer sleeve~ or ~soth, can cornprise more han one layer of paper.
Due to the use of these materials~ a number of advanta~es can be combined. First of all~ the smoo~h sur~ace of the plastic is combined with the natural appearance of paper.
The material is completely ~lushable~ easy to deform or ~ut,¦
. and F in contrast to purel~ plastic applicators, its cost de~
; pends on the price of the natural product wood~ coloring is effected simply by dyeing or printing the paper coat~
~ Other details of the invention can perhaps be better appreciated by making reference to ~he embodiments of the invention represented in the drawings9 The applicator sys~
r ,'em represented in Figs~ 1 to 3 consists of outer sleeve ~ t !
~. .
inner sleeve 2, and tampon 3, All ~hree parts are substan~
tially cylindrical. Front end ~ o~ outer sleeve 1, with a conically rounded shape, is designed a~ a lamellar shuttex means 5 opening during ejection o~ tampon 3. Shutter means 5 comprises a xing of lamellae 6 which is substantially tulip-shaped i~ the closed stage (see Fig. ~), at the origin of which is provided a circumferential groove 7 which func-tions as a hinge during ejection or expulsion. Outer sleeve 1, which is usually wound in the same manner as inner ~leeve
!
'r3~
TAMPON AppLIcAToR
.i ; This învention relates to a ~ampon applicator. More s p~rticularly, this invention relates to an application ~~ !
j ~he hygienic introduction of a tampon during ~he menstrual. I
c~cle of a woman, the applicator ha~ing a substantiall~ cy~ ' lindrical sleeve to facilitate in~roduction and a displace~
able inner sleeve for ejecti~g the tampon~
10 ' ~n applicator~tampon, such as, for exampler that de-scrîbed ~ German published application (~E-AS~ NoO
.
20 43 293, has the advanta~e of clean and hygienic intrsduc~
tion, as compared to that of a digital tampon. Such appli-cator-tampons must meet a number of gynecological, envixon-mental, and marketing criteria which are partly contradic~tory. To avoid i~jury to tissues during in~roduction into the vagina, the applicator materiAl should have a smooth surface~ For reasons concerning sensual impact, however, the surace should not be cold, hard, or plastic. In addi-tion, the applicator should be water degradable or waterdispersible, so that it can be disposed in a toilet. To also avoid injury to tissues during introduction of the tam-pon, the fxont end should be conica:lly rounded. However~ it 't 3Q~
should be possible -to easily open this end during ejection of the tampon so that the expulsion pressure does not exceed 50~ grams during ejection.. On the other hand, the front end must not open so easily that the tampon would drop out from the sleeve and become contaminated before use. The applicator should thus form a substantially closed system.
Finally, despite the requirement for a smooth surfacej a grip would be advantageous for easy handling of the applicator.
It is an object of this invention to provide an applicator for a tampon.
It is also an object of the invention to pro~ide an applicator system which meets the g~necological, environmental, and marketing criteria discussed above.
It is a further object of the invention to provide an appli.cator system for hygienic introduction of a tampon which comprises a substantially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an outer diameter substantially the same as the inner diamete:r of the outer sleeve and a flanged end, and a substantially cylindrical tampon, wherein (a) the front end of the outer sleeve is a con.ically rounded lamellar shutter means consisting of a ring of tulip-shaped, folded, individual lamellae abutting a circumferential groove the shutter means being normally closed and opening during ejection of the tampon, the circumferential groove acting as a hinge means; (b) the outer sleeve consists of a high-gloss, plasti.c-coated paper, the paper being coated on the outer surface and the coated paper being readily water 3~ degradable or water dispersible; (c) the inner sleeve is comprised of water degradable or water dispersible paper;
, . . .
sd/~Q -2-(d) the inner surface of the outer sleeve and the outer surface of the inner sleeve have co-effici.ents of frictio such that they do not readily slide without applied pressure but on application of slight manual pressure readily slide, thus facilitating the opening of the lamellar shutter means and ejection of the tampon; (e) the outer sleeve has a grip in the form of a scoring; (f) the inner sleeve has sub-stantially the same length as the outer sleeve; and (g) the outer sleeve, inner sleeve~ and tampon form with the closed lamellar shutter means at the front end of the tampon a substantially closed systemO
l'hese and other objects of the invention will become more apparent in the discussion below~
Fig. 1 represents the three parts of the invention in disassembled form;
Fig. 2 represents the embodiment of the invention shown in Fig~ 1 in assembled form; and Fig. 3 represents a view of an embodiment of the invention with the tampon partly ejected.
sd/~
..~
! .
j.
Applicants have developed an applicator system which meets the above-mentioned gynecological, environmental~ and marketin~ criteria in an optimum fashion. According to their invention, an applicator system compxises a substan-tially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an ou~er diameter substantially the same as the inner diameter o~ the outer ~ slee~e and a flanged end, and a substantially cylindri~al tampon, wherein (a) ~he front end o~ ~he outer sleeve is a . conically rounded lamellar shutter means consisting of a ring of tulip-shaped lamellae abutting a circumferential ! ~roove acting as a hinge means, the shutter means being .. normally closed and opening during ejection of the tampon;
(b) the outer sleeve consists of a high-gloss, plastic-coated.paper, said paper being coated on the outer surface and said coated paper being readil~ water degrada~le or water dispersible; (c) the inner sleeve is comprised of.
water degradable or water dispersible paper; ~d) the inner surface.of the outer sleeve and the outer sur~ace. of the innex sleeve have co-e~ficients of friction such that the~ ' do not readily slide without applied pressure but on appli- i cation of slight manual pressure readily slide,thus facili- ,' tating the opening of the lamellar shutter means and ejec~
tion of the tampon; (e) the outer sleeve has a grip in the form of a scoring; [f) said inner sleeve has su~stantially the same length as the outer sleeve; and (g~ the outer !
sleeve, inner sleeve; and tampon form with the closed lame]lar shutter means at the front end ol the tampon a sub-stantially closed system.
The above-mentioned requirements are all met at the samej time by the material, shape, and functional design, as well !
as by the ease of manufacture~ of ~he applicator system according to the invention~ The outer sleeve is compxised of a high-gloss paper which can be coated on ~he outer sur~ , face with plastic and printed in colors. The plastic coat can be applied to the paper b~ means o an extruder over a slot die. The re~uirements for the plastic coatin~ are fairly non-specific, Howeve~ in accordance with o-ther re~
quixemen~s of the invention, a coat ~hickness of rom abou~
15 to 30 g/m is preferred~ The plastic should be a polymer which is degradable r dispersible, or even soluble in water.
Polyethylene or polyprop~lene containing suitable wetting agents or other additives are preferred coating ma-terials, but ot~er materials, such as, for example, polyvinylidene chloride or a readily water soluble pol~ner 5uCh as pol~- i vinyl alcohol, can also be used~ The paper itself can be ~irtually any suitable wood pulp product which is rigid enough to function as a sleeve according to the invention and is then water degradable or water dispersible, so as to be disposable in, for example, a toilet. The inner sleeve can be comprised of the same paper or of a similar pulp product that is water degradable or water dispersi~le.
' I
o~
Either the inner sleeve.or the outer sleeve~ or ~soth, can cornprise more han one layer of paper.
Due to the use of these materials~ a number of advanta~es can be combined. First of all~ the smoo~h sur~ace of the plastic is combined with the natural appearance of paper.
The material is completely ~lushable~ easy to deform or ~ut,¦
. and F in contrast to purel~ plastic applicators, its cost de~
; pends on the price of the natural product wood~ coloring is effected simply by dyeing or printing the paper coat~
~ Other details of the invention can perhaps be better appreciated by making reference to ~he embodiments of the invention represented in the drawings9 The applicator sys~
r ,'em represented in Figs~ 1 to 3 consists of outer sleeve ~ t !
~. .
inner sleeve 2, and tampon 3, All ~hree parts are substan~
tially cylindrical. Front end ~ o~ outer sleeve 1, with a conically rounded shape, is designed a~ a lamellar shuttex means 5 opening during ejection o~ tampon 3. Shutter means 5 comprises a xing of lamellae 6 which is substantially tulip-shaped i~ the closed stage (see Fig. ~), at the origin of which is provided a circumferential groove 7 which func-tions as a hinge during ejection or expulsion. Outer sleeve 1, which is usually wound in the same manner as inner ~leeve
2 -- as can be seen from the helical line 8 -- has at its rear end 13 a grip means in the form o~ a scoring 9, as well as at least one notch 10 for posi~ioning of outer sleeve 1 relative to inner sleeve ~. Tampon 3 is held at its front by l~mellar shutter means 5 and at its back by inwardly ~18~2 flanged end 11 of inner sleeve 2~. A pull thread 12 of tam-pon 3 extends through inner sleeve 2~
Prior to assembly, each notch 10, which comprises a small flap having a substantially semi-circUlar shaper is . co-extensiv~ with the surface of outer cylinder 1. During . assembly, described below, the flap is forced ~oward the interior of the outer sleeve r where it ac~s to engage inner sleeve 2 and ~to assist in preventing inner sleeve 2 from di~
engaging from outer sleeve 1~ which would allow the tampon 3 : 10 to fall out. Slmilarly, inner sleeve 2 may have at least one notch 14, which comprises a small flap having a sub~tan~
tiall~ semi-cirular shaper No-tch 14 is at some poin~ co-e~
tensive with the surface o~ inner~sleeve 2 bu~ is forced .. . ...... . I
outward,~either be~ore or during assembly. During applica~ ' tion of the tampon, inner sleeve 2 passes into the interiQr i of outer sleeve 1 until each notch 14 contacts the xear or lower portion 13 o outer sleeve 1. Prefera~ly each not~h 14 is positioned on inner sleeve 2 ~o that when the notch 14 contacts the rear or lower portion 13 t flanged end 11 is approximately level with the lamellar shutter means 5.
By use of the above-described material, an extremely functional design can be obtained. This can be seen particu-larly from the example of a round head of the applicator t designed a~ a lamellar shutter 5. In ~he manufacture of the round head, parts are so punched ou~ at the front end of outer sleeve 1, as it will be described below, that the rin~
.
Prior to assembly, each notch 10, which comprises a small flap having a substantially semi-circUlar shaper is . co-extensiv~ with the surface of outer cylinder 1. During . assembly, described below, the flap is forced ~oward the interior of the outer sleeve r where it ac~s to engage inner sleeve 2 and ~to assist in preventing inner sleeve 2 from di~
engaging from outer sleeve 1~ which would allow the tampon 3 : 10 to fall out. Slmilarly, inner sleeve 2 may have at least one notch 14, which comprises a small flap having a sub~tan~
tiall~ semi-cirular shaper No-tch 14 is at some poin~ co-e~
tensive with the surface o~ inner~sleeve 2 bu~ is forced .. . ...... . I
outward,~either be~ore or during assembly. During applica~ ' tion of the tampon, inner sleeve 2 passes into the interiQr i of outer sleeve 1 until each notch 14 contacts the xear or lower portion 13 o outer sleeve 1. Prefera~ly each not~h 14 is positioned on inner sleeve 2 ~o that when the notch 14 contacts the rear or lower portion 13 t flanged end 11 is approximately level with the lamellar shutter means 5.
By use of the above-described material, an extremely functional design can be obtained. This can be seen particu-larly from the example of a round head of the applicator t designed a~ a lamellar shutter 5. In ~he manufacture of the round head, parts are so punched ou~ at the front end of outer sleeve 1, as it will be described below, that the rin~
.
3~
or lamellae 6 is obtained. This ring can be formed to a tulip-shaped shutter by suitable selec~ion of the ma~erial properties of the paper, which can be multi-layered if neces , sary.
I, To make sure that th~ tulip-shaped lamellar shutter 5 can readily open during the ejection oE tampon 3, a circum-ferential groove 7 is provided in outer sleeve 1 at the base " of lamellae 6. .~his groove 7 acts as a hinge on lamellae ' in such a way that, with an easily opening lamellar shutter ~, 5~ tampon 3 can be readily ejected at a low expulsion pxe~
Il sure~
.~' . .
The ejection of tampon 3 is also facilitated by careful adjustment, or l7tUnill~', of the co-efficients of friction o ~ the inner surface or coat of outer sleeve 1 and outer 5UX-face or coat of inner sleeve.2. Tuning of the co-efficien~s ' of friction independent of most other requirements and func~
tions is possible because the sl~eve wall can be composed o~
;: several layers. Consequently, it is possible to obtain very I
difEerent material properties and meet d.ifferent xequire~ ,.
~0 ments on the outside and lns.ide of sleeves 1 and 2, re.spec-tively, independent of each other. The object of the tuning is that inner sleeve 1 and outer sleeve 2 should not readily slide past one another without application of pressure, How-ever, upon application of sli~ht manual pressure the sleeves ~5 should readily slide to facilitate opening of the shutter means 5 and ejection of the tampon 3.
-8- .
. i .
_. 1 ,. .
The applicator according to the invention can be de- 1.
signed as a closed system, since the tampon is held at the front end by lamellar shut..er 5 and on the back by flan~e 11 of inner sleeve 2. Inner sleeve ~ and outer sleeve 1 are designed so that because of (1) the similarity of the outer .
diameter of inner sleeve 2 and the inner diameter of outer sleeve 1 and (2) ~he respective co-efficients o~ friction;
inner sleeve 2 does not readily slide within outer sleeve 1 I in the absence of applied pressure~ In addition, inner sleeve 2 is also positioned with regard to outer sleeve 1 l~
at least one notch 10 The resistance provided by the co~ ~
. ef~icients of ~riction and each n~tch 10 is overcome duri.n~ !
. ejection of the tampon~
The new applicator can be brought -- after separate - .
winding -- together with the tampon to its final ~orm on one and the same machine. In one embodiment, the prefabrica ted sleeve is pushed over a heated inner mandrel, and sever-l al such mandrels can be arranged on a timed rotatiny disk~ !
In this embodiment a punch moves at first toward this man-drel and cuts out segments in such a way that a rin~ of lamellae remains. In the next station, the corresponding scorings 7 and 9 are provided at the base of lam~llae 6 and at the opposite end o~ outer sleeve 1. ~inally lamellae 5 are ~langed in the last s~ation on the dis~ by means of a heated tool to the above-desc.ribed tulip-shaped lamellar shutter 5. The finished outer sleeve 1 is inserted into a drum in which outer sleeve 1, tampon 3, and inner sleeve are arranged in series. The three elements can be pushed p~
one into the other by means of a plunger, and the unit can be held together ~y at least one notch 10 created by means o~ a needle.
Various modifications of ~the process and products of the invention may be made without departing from the spirit or scope thereof and it should be understood that the inven~ion is intended to be limited only as defined in the appended claims.
or lamellae 6 is obtained. This ring can be formed to a tulip-shaped shutter by suitable selec~ion of the ma~erial properties of the paper, which can be multi-layered if neces , sary.
I, To make sure that th~ tulip-shaped lamellar shutter 5 can readily open during the ejection oE tampon 3, a circum-ferential groove 7 is provided in outer sleeve 1 at the base " of lamellae 6. .~his groove 7 acts as a hinge on lamellae ' in such a way that, with an easily opening lamellar shutter ~, 5~ tampon 3 can be readily ejected at a low expulsion pxe~
Il sure~
.~' . .
The ejection of tampon 3 is also facilitated by careful adjustment, or l7tUnill~', of the co-efficients of friction o ~ the inner surface or coat of outer sleeve 1 and outer 5UX-face or coat of inner sleeve.2. Tuning of the co-efficien~s ' of friction independent of most other requirements and func~
tions is possible because the sl~eve wall can be composed o~
;: several layers. Consequently, it is possible to obtain very I
difEerent material properties and meet d.ifferent xequire~ ,.
~0 ments on the outside and lns.ide of sleeves 1 and 2, re.spec-tively, independent of each other. The object of the tuning is that inner sleeve 1 and outer sleeve 2 should not readily slide past one another without application of pressure, How-ever, upon application of sli~ht manual pressure the sleeves ~5 should readily slide to facilitate opening of the shutter means 5 and ejection of the tampon 3.
-8- .
. i .
_. 1 ,. .
The applicator according to the invention can be de- 1.
signed as a closed system, since the tampon is held at the front end by lamellar shut..er 5 and on the back by flan~e 11 of inner sleeve 2. Inner sleeve ~ and outer sleeve 1 are designed so that because of (1) the similarity of the outer .
diameter of inner sleeve 2 and the inner diameter of outer sleeve 1 and (2) ~he respective co-efficients o~ friction;
inner sleeve 2 does not readily slide within outer sleeve 1 I in the absence of applied pressure~ In addition, inner sleeve 2 is also positioned with regard to outer sleeve 1 l~
at least one notch 10 The resistance provided by the co~ ~
. ef~icients of ~riction and each n~tch 10 is overcome duri.n~ !
. ejection of the tampon~
The new applicator can be brought -- after separate - .
winding -- together with the tampon to its final ~orm on one and the same machine. In one embodiment, the prefabrica ted sleeve is pushed over a heated inner mandrel, and sever-l al such mandrels can be arranged on a timed rotatiny disk~ !
In this embodiment a punch moves at first toward this man-drel and cuts out segments in such a way that a rin~ of lamellae remains. In the next station, the corresponding scorings 7 and 9 are provided at the base of lam~llae 6 and at the opposite end o~ outer sleeve 1. ~inally lamellae 5 are ~langed in the last s~ation on the dis~ by means of a heated tool to the above-desc.ribed tulip-shaped lamellar shutter 5. The finished outer sleeve 1 is inserted into a drum in which outer sleeve 1, tampon 3, and inner sleeve are arranged in series. The three elements can be pushed p~
one into the other by means of a plunger, and the unit can be held together ~y at least one notch 10 created by means o~ a needle.
Various modifications of ~the process and products of the invention may be made without departing from the spirit or scope thereof and it should be understood that the inven~ion is intended to be limited only as defined in the appended claims.
Claims (4)
1. An applicator system for hygienic introduction of a tampon which comprises a substantially cylindrical outer sleeve, a substantially cylindrical inner sleeve dis-placeable therein having an outer diameter substantially the same as the inner diameter of the outer sleeve and a flanged end, and a substantially cylindrical tampon, wherein (a) the front end of the outer sleeve is a conically rounded lamellar shutter means consisting of a ring of tulip-shaped, folded, individual lamellae abutting a circumferential groove the shutter means being normally closed and opening during ejection of the tampon, the circumferential groove acting as a hinge means; (b) the outer sleeve consists of a high-gloss, plastic-coated paper, said paper being coated on the outer surface and said coated paper being readily water de-gradable or water dispersible; (c) the inner sleeve is com-prised of water degradable or water dispersible paper; (d) the inner surface of the outer sleeve and the outer surface of the inner sleeve have co-efficients of friction such that they do not readily slide without applied pressure but on application of slight manual pressure readily slide, thus facilitating the opening of the lamellar shutter means and ejection of the tampon; (e) the outer sleeve has a grip in the form of a scoring; (f) said inner sleeve has substantially the same length as the outer sleeve; and (g) the outer sleeve, inner sleeve, and tampon form with the closed lamellar shut-ter means at the front end of the tampon a substantially closed system.
2. The applicator system of Claim 1, wherein the plastic coating of the outer sleeve comprises polyethylene, polypropyl-ene, polyvinylidene chloride, or polyvinyl alcohol.
3. The applicator system of Claim 1, wherein the inner sleeve is positioned within the outer sleeve by one or more notches.
4. An application system for hygienic introduction of a tampon which comprises a substantially cylindrical outer sleeve, a substantially cylindrical inner sleeve displaceable therein having an outer diameter substantially the same as the inner diameter of the outer sleeve and a flanged end, and a substantially cylindrical tampon, wherein (a) the front end of the outer sleeve is a conically rounded lamellar shutter means consisting of a ring of tulip-shaped, folded, indivi-dual lamellae abutting a circumferential groove, the shutter means being normally closed and opening during ejection of the tampon, the circumferential groove acting as a hinge means; (b) the outer sleeve consists of a high-gloss, plas-tic-coated paper, said paper being coated on the outer sur-face with from 15 to 30 g/m2 of a polymeric material selec-ted from the group consisting of polyethylene, polypropylene, polyvinylidene chloride, and polyvinyl alcohol and said coated paper being readily water degradable or water disper-sible; (c) the inner sleeve is comprised of water degradable or water dispersible paper; (d) the inner surface of the outer sleeve and the outer surface of the inner sleeve have co-efficients of friction such that they do not readily slide without applied pressure but on application of slight manual pressure readily slide, thus facilitating the opening of the lamellar shutter means and ejection of the tampon; (e) the outer sleeve has a grip in the form of a scoring; (f) said inner sleeve has substantially the same length as the outer sleeve; (g) the inner sleeve is positioned within the outer sleeve by one or more notches; and (h) the outer sleeve, inner sleeve, and tampon form with the closed lamellar shutter means at the front end of the tampon a substantially closed system,
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3121364.2 | 1981-05-29 | ||
| DE19813121364 DE3121364A1 (en) | 1981-05-29 | 1981-05-29 | "APPLICATOR FOR THE HYGIENIC INSERTION OF A TAMPON" |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1184002A true CA1184002A (en) | 1985-03-19 |
Family
ID=6133487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000397159A Expired CA1184002A (en) | 1981-05-29 | 1982-02-26 | Tampon applicator |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4412833A (en) |
| EP (1) | EP0066213B1 (en) |
| JP (1) | JPS57200154A (en) |
| AT (1) | ATE15326T1 (en) |
| CA (1) | CA1184002A (en) |
| DE (2) | DE3121364A1 (en) |
| DK (1) | DK193682A (en) |
| ES (1) | ES265532U (en) |
| FI (1) | FI821522A0 (en) |
| NO (1) | NO154113C (en) |
| PT (1) | PT74963B (en) |
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| US2509241A (en) * | 1947-05-10 | 1950-05-30 | Ortho Pharma Corp | Applicator |
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-
1981
- 1981-05-29 DE DE19813121364 patent/DE3121364A1/en not_active Withdrawn
- 1981-11-10 US US06/319,914 patent/US4412833A/en not_active Expired - Fee Related
-
1982
- 1982-02-26 CA CA000397159A patent/CA1184002A/en not_active Expired
- 1982-04-30 DK DK193682A patent/DK193682A/en not_active Application Discontinuation
- 1982-04-30 NO NO821430A patent/NO154113C/en unknown
- 1982-04-30 FI FI821522A patent/FI821522A0/en not_active Application Discontinuation
- 1982-05-21 EP EP82104450A patent/EP0066213B1/en not_active Expired
- 1982-05-21 AT AT82104450T patent/ATE15326T1/en not_active IP Right Cessation
- 1982-05-21 DE DE8282104450T patent/DE3266008D1/en not_active Expired
- 1982-05-26 PT PT74963A patent/PT74963B/en unknown
- 1982-05-28 JP JP57090014A patent/JPS57200154A/en active Pending
- 1982-05-28 ES ES1982265532U patent/ES265532U/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK193682A (en) | 1982-11-30 |
| PT74963B (en) | 1983-11-30 |
| JPS57200154A (en) | 1982-12-08 |
| US4412833A (en) | 1983-11-01 |
| ES265532U (en) | 1982-12-16 |
| PT74963A (en) | 1982-06-01 |
| DE3121364A1 (en) | 1982-12-16 |
| EP0066213A1 (en) | 1982-12-08 |
| DE3266008D1 (en) | 1985-10-10 |
| NO154113C (en) | 1986-07-23 |
| FI821522A0 (en) | 1982-04-30 |
| EP0066213B1 (en) | 1985-09-04 |
| ATE15326T1 (en) | 1985-09-15 |
| NO154113B (en) | 1986-04-14 |
| NO821430L (en) | 1982-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |