US2887240A - Insertable closure for bottles and like containers - Google Patents
Insertable closure for bottles and like containers Download PDFInfo
- Publication number
- US2887240A US2887240A US575593A US57559356A US2887240A US 2887240 A US2887240 A US 2887240A US 575593 A US575593 A US 575593A US 57559356 A US57559356 A US 57559356A US 2887240 A US2887240 A US 2887240A
- Authority
- US
- United States
- Prior art keywords
- closure
- neck
- wall
- container
- base portion
- 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 - Lifetime
Links
- 239000011324 bead Substances 0.000 description 6
- 239000013013 elastic material Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- -1 for instance Polymers 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 229920012485 Plasticized Polyvinyl chloride Polymers 0.000 description 1
- 241000139306 Platt Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/12—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures
- B65D47/14—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means
- B65D47/147—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having removable closures and closure-retaining means for snap-on caps
Definitions
- this invention relates to closures of elastic or resilient material which are inserted into the neck of a bottle of glass or the like and which cannot be removed therefrom without destroying the closure.
- the closure cannot be removed from the bottle neck after it has been pressed thereinto without destruction of the closure.
- liquid dispenser-closures of the above type Some are merely inserted in the neck of the bottle, others are connected to it by flange or bead means, still others may be screwed onto the bottle or connected thereto by means of a threaded cap-like ring.
- Rigid connection between a container and a dispenserclosure is desirable particularly in cases where the closure extends for a considerable length from the container and where it is flexible and subjected to considerable mechanical stress when used as a dispenser. This has been satisfactorily accomplished with a centrally apertured threaded cap which holds the closure in its central aperture and is screwed onto the threaded neck of a bottle.
- a centrally apertured threaded cap which holds the closure in its central aperture and is screwed onto the threaded neck of a bottle.
- the disadvantages of this structure are well known to the art.
- a clo sure of an elastic material having a base portion arranged to grip the outside of the neck of a bottle, a groove (groove-like fold) being formed between the closure wall extending outwardly from the neck and the next adjacent wall of the base portion, and an undivided retaining ring (guard ring) being arranged within said groove.
- Fig. 1 is a longitudinal section of a container and drop or spray dispenser closure incorporating one embodiment of the invention
- Fig. 2 is a longitudinal section of a closure similar to that of Fig. 1 but showing a modification
- Fig. 3 is a longitudinal section of a pouring spout closure incorporating another embodiment of the invention.
- Fig. 4 is a side view of Fig. 3.
- the spray or drop dispenser closure shown in Fig. 1 comprises an elongated spout portion 1 and a base portion folded over to form an annular cavity or groove between the lower wall part of the spout and a base portion wall 2 extending upwardly from the groove and around annular neck b of container a, being foldedback again to form annular lip d gripping the outside ofthe container neck.
- the bottleneck b is preferably provided with shoulder c at its inner periphery so that a downwardly tapering orifice is formed.
- the unitary closure is of elastic or resilient material and, when forced onto the container neck, lip d will. grip the outside of the neck wall while base portion wall e will be inserted into the neck and will press against the inner wall of the neck.
- Wall e has about twice the length of neck head portion b. r
- retaining ring is pressed into the groove or fold formed between Wall e and spout portion 1 which extends from the container neck, tapering upwardly.
- the ring is so proportioned that it will exert considerable pressure on the inner wall of the neck, in cooperation with the elasticity of the two base portion walls of the closure.
- the neck wall is preferably receding so that shoulder c hasthe effect of a barb in retaining the base portion walls of the closure in the neck.
- the preferred thickness of retaining ring R is about half the height of the groove in the base portion of the closure inserted in the container neck. Such dimensioning will make undesired removal of the closure extremely difficult.
- Fig. 1 also shows a cap it attached to lip d by string i to provide a closure for the orifice of the spout after its top has been removed by a'legitim'ate user.
- cap In contrast to the attachment of cap it to the closure by string 1, the cap is directly attached to lip d of the closure wherefrom it may be broken or cut when put in use to seal the opened spout orifice.
- the closure illustrated in Figs. 3 and 4 serves as a pouring spout.
- the spout 1 (shown in closed condition) is inserted in neck 17 of container a.
- the base portion of the spout is folded to form a groove between the lower wall part of the spout and base portion wall In which is whereby the cap may be placed on the opened closure when the spout is not in use.
- the closure of this invention is inserted in the container neck after the container is filled by pressing or forcing the closure with its base portion groove or fold into'the neck until the outer fold or folds of the base portion engage the edge of the neck. Thereupon, the retaining ring is forced into the groove to press the outer wall of the groove against the inner wall of the bottleneck.
- the retaining ring is preferably made of a hard plastic, for instance, polyvinyl chloride or a formaldehydephenol resin. It may also be of metal, however, for instance, aluminum, particularly when it takes the form shown in Fig. 2.
- the closure which has beenillustrated by way of example as a pouring spout or a drop dispenser, is preferably'made of an elastic plastic material, such as polyethylene, plasticized polyvinyl chloride, and similar synthetic resms.
- a closure of elastic material for insertion into a container neck said closure having an annular base portion insertable in said neck, the base portion comprising an innermost wall and a wall concentrically surrounding said innermost wall, the walls defining a groove therebetween, and an undivided rigid retaining ring in the groove for unyieldingly pressingthe second-named wall against the container neck.
- a closure of elastic material insertable in said neck, said closure having an annular base portion with an innermost wall and a wall concentrically surrounding said innermost wall, the walls defining a groove therebetween and said base portion being inserted into the neck with the second 'nanied Wall adjacent thereto, and an undivided rigid rebase portion with an innermost wall and a wall concentrically surrounding said innermost Wall, the walls defining a groove therebetween and said base portion being inserted into the neck with the second-named wall adjacent thereto, and an undivided rigid retaining ring pressed into said groove below the bead to press the second-named wall unyieldingly against the neck.
Description
W. DEUSSEN May 19, 1959 INSERTABLE CLOSURE FOR BOTTLES AND LIKE CONTAINERS Filed April 2, 1956 2 Sheets-Sheet 1 WW. 0 gm Wm NN WM m May 19, 1959 w. DEUSSEN INSERTABLE CLOSURE FOR BOTTLES AND LIKE CONTAINERS Filed April 2, 1956 2 Sheets-Sheet 2 INSERTABLE CLOSURE FOR BOTTLES AND LIKE CONTAINERS Werner Deussen, Geisenheirn (Rhine), Germany, assignor .to Stella K.G. Werner Deussen, Martinsthal Rheingau,
Germany, a corporation of Germany Application April 2, 1956, Serial No. 575,593 Claims priority, application Germany April 7, 1955 6 Claims. (Cl. 215-52) The present invention relates to insertable closures,
such as pouring spouts or drop dispensers, for bottles and similar containers. More particularly, this invention relates to closures of elastic or resilient material which are inserted into the neck of a bottle of glass or the like and which cannot be removed therefrom without destroying the closure.
in the bottle neck.
In all embodiments, the closure cannot be removed from the bottle neck after it has been pressed thereinto without destruction of the closure.
Various means have been devised to use liquid dispenser-closures of the above type. Some are merely inserted in the neck of the bottle, others are connected to it by flange or bead means, still others may be screwed onto the bottle or connected thereto by means of a threaded cap-like ring.
All of these structures have the common disadvantage that anybody can remove the closure without difficulty and that the connection between closure and bottle is not only unsatisfactory but in no way insures the contents of the bottle against undesired tampering.
Rigid connection between a container and a dispenserclosure is desirable particularly in cases where the closure extends for a considerable length from the container and where it is flexible and subjected to considerable mechanical stress when used as a dispenser. this has been satisfactorily accomplished with a centrally apertured threaded cap which holds the closure in its central aperture and is screwed onto the threaded neck of a bottle. However, the disadvantages of this structure are well known to the art.
The shortcomings of the prior art devices are overcome in accordance with the present invention by a clo sure of an elastic material having a base portion arranged to grip the outside of the neck of a bottle, a groove (groove-like fold) being formed between the closure wall extending outwardly from the neck and the next adjacent wall of the base portion, and an undivided retaining ring (guard ring) being arranged within said groove.
It is known to secure covers of sheet metal containers by means of clamping rings which press the cover against the walls of the container orifice. Such clamping rings are divided and their ends overlap when the rings are not under tension. Such rings are inserted in the cover and then tensioned so that they press against the wall of the cover to maintain its form and to prevent it from removal from the container. When it is desired to open the container and remove the cover, the clamping ring is merely removed. Contrariwise, the retaining ring of the present invention is not divided. It serves not only United States Patent i Heretofore,
"2,887,240 Patented May 19, 1959 2 to secure the closure in the container orifice but also to seal the closure effectively. Since it is undivided, in contrast to the conventional clamping rings, and is not crimped to facilitate reduction of its circumference by pressing the ring together, it cannot be removed after it has been forced into the fold or groove in the base portion of the closure.
The invention will be more :fully explained in the following description of certain embodiments thereof, taken in conjunction with the accompanying drawing wherein Fig. 1 is a longitudinal section of a container and drop or spray dispenser closure incorporating one embodiment of the invention;
Fig. 2 is a longitudinal section of a closure similar to that of Fig. 1 but showing a modification;
Fig. 3 is a longitudinal section of a pouring spout closure incorporating another embodiment of the invention; and
Fig. 4 is a side view of Fig. 3.
In the drawing, the same reference characters refer to like parts in all figures.
The spray or drop dispenser closure shown in Fig. 1 comprises an elongated spout portion 1 and a base portion folded over to form an annular cavity or groove between the lower wall part of the spout and a base portion wall 2 extending upwardly from the groove and around annular neck b of container a, being foldedback again to form annular lip d gripping the outside ofthe container neck. As shown, the bottleneck b is preferably provided with shoulder c at its inner periphery so that a downwardly tapering orifice is formed. The unitary closure is of elastic or resilient material and, when forced onto the container neck, lip d will. grip the outside of the neck wall while base portion wall e will be inserted into the neck and will press against the inner wall of the neck. As shown, Wall e has about twice the length of neck head portion b. r
In accordance with the invention, retaining ring is pressed into the groove or fold formed between Wall e and spout portion 1 which extends from the container neck, tapering upwardly. The ring is so proportioned that it will exert considerable pressure on the inner wall of the neck, in cooperation with the elasticity of the two base portion walls of the closure. As shown, the neck wall is preferably receding so that shoulder c hasthe effect of a barb in retaining the base portion walls of the closure in the neck.
It has been found that the preferred thickness of retaining ring R is about half the height of the groove in the base portion of the closure inserted in the container neck. Such dimensioning will make undesired removal of the closure extremely difficult.
It is obvious that the above-described structure will make it either impossible to remove the closure from the container or will, at least, require considerable force to effect such removal. This makes is possible, if desired, to reinforce the safety of the closure by forming one part of the closure wall so thin, for instance at g, that the spout will tear 01f at this place before the pull on the spout will be sufiiciently strong to remove the retaining ring from its seat.
Many liquids are sold in containers (such as illustrated) whose closure top is sealed. When it is desired to dispense liquid from the container, the top is cut oif. An unauthorized person may desire to remove liquid from the bottle without making it appear that such had been done. Thus, he may wish to leave the top of the dispenser-closure untouched and pull the closure out of the container, remove liquid, possibly replace it with an adulterant, and then force the closure back onto the container in an effort to leave no outward sign of tampering. The
structure according to the invention will make this impossible since the spout will tear off before it can be removed.
Fig. 1 also shows a cap it attached to lip d by string i to provide a closure for the orifice of the spout after its top has been removed by a'legitim'ate user.
The modification of the closure shown in Fig. 2 is distinguish'ed over that of Fig. 1 by the different ,form of the retaining ring. Ring R is folded over similarly to the base portion of the closure, its outermost fold pressing against the outer wall of the base portion of the closure which sits on neck bead b.
In contrast to the attachment of cap it to the closure by string 1, the cap is directly attached to lip d of the closure wherefrom it may be broken or cut when put in use to seal the opened spout orifice.
The closure illustrated in Figs. 3 and 4 serves as a pouring spout. The spout 1 (shown in closed condition) is inserted in neck 17 of container a. The base portion of the spout is folded to form a groove between the lower wall part of the spout and base portion wall In which is whereby the cap may be placed on the opened closure when the spout is not in use.
Removal of the closure from the container is not possible without destruction of the same.
The closure of this invention is inserted in the container neck after the container is filled by pressing or forcing the closure with its base portion groove or fold into'the neck until the outer fold or folds of the base portion engage the edge of the neck. Thereupon, the retaining ring is forced into the groove to press the outer wall of the groove against the inner wall of the bottleneck.
The retaining ring is preferably made of a hard plastic, for instance, polyvinyl chloride or a formaldehydephenol resin. It may also be of metal, however, for instance, aluminum, particularly when it takes the form shown in Fig. 2.
The closure which has beenillustrated by way of example as a pouring spout or a drop dispenser, is preferably'made of an elastic plastic material, such as polyethylene, plasticized polyvinyl chloride, and similar synthetic resms.
It should be clearly understood that the illustrated embodiments have been presented merely by way of explanation and that they are not intended to limit the scope of the invention as defined in the accompanying claims.
I claim:
1. In combination with a container having a neck with I 4 an interiorly extending bead narrowing the outer end of the neck and a pressure closure of elastic material mounted in said neck with an annular base portion having a groove extending within the neck to a point below the bead, the base portion conforming to the container portion and bead defining the neck: a rigid and undivided retaining ring pressed into the groove and unyieldingly retained therein on three sides to form a closure of the neck which cannot be removed without destruction of the closure.
2. The combination of claim 1, wherein the retaining ring has a flange portion engaging the base portion.
3. A closure of elastic material for insertion into a container neck, said closure having an annular base portion insertable in said neck, the base portion comprising an innermost wall and a wall concentrically surrounding said innermost wall, the walls defining a groove therebetween, and an undivided rigid retaining ring in the groove for unyieldingly pressingthe second-named wall against the container neck.
4. In combination with a container having a neck: a closure of elastic material insertable in said neck, said closure having an annular base portion with an innermost wall and a wall concentrically surrounding said innermost wall, the walls defining a groove therebetween and said base portion being inserted into the neck with the second 'nanied Wall adjacent thereto, and an undivided rigid rebase portion with an innermost wall and a wall concentrically surrounding said innermost Wall, the walls defining a groove therebetween and said base portion being inserted into the neck with the second-named wall adjacent thereto, and an undivided rigid retaining ring pressed into said groove below the bead to press the second-named wall unyieldingly against the neck.
References Cited in the file of this patent UNITED STATES PATENTS 2,018,882 Cross Oct. 29, 1935 2,058,905 Moran et al. Oct. 27, 1936 2,106,381 Rough "Jan. 25, 1938 2,145,748 Bailey Jan. 31, 1939 2,742,202 Dresden et a1. Apr. 17, 1956 2,750,068 Platt June 12, 1956 2,757,824 Savary Aug. 7, 1956 2,769,583 Darlington Nov. 6, 1956 2,770,234 Nesset et al Nov. 13, 1956
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2887240X | 1955-04-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2887240A true US2887240A (en) | 1959-05-19 |
Family
ID=8000478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US575593A Expired - Lifetime US2887240A (en) | 1955-04-07 | 1956-04-02 | Insertable closure for bottles and like containers |
Country Status (1)
Country | Link |
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US (1) | US2887240A (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3088617A (en) * | 1959-12-21 | 1963-05-07 | Krautkramer Adam | Container |
US3109575A (en) * | 1959-08-24 | 1963-11-05 | American Can Co | Reinforced container closure |
US3116846A (en) * | 1959-12-10 | 1964-01-07 | Pasinvest Ets | Bottle closure |
US3153415A (en) * | 1961-02-23 | 1964-10-20 | Sheridan Corp | Infant feeding tube |
US3192771A (en) * | 1960-09-02 | 1965-07-06 | Stearns Seth Ira | Heat sensitive unit |
US3199748A (en) * | 1961-10-07 | 1965-08-10 | Frank T Johmann | Closure means |
US3946914A (en) * | 1973-11-22 | 1976-03-30 | Stig Ravn A/S | Arrangement for securing a nozzle to a container |
US5154327A (en) * | 1990-04-05 | 1992-10-13 | Long Kyle D | Sealable nozzle adaptor for use with a caulking tube cartridge |
US5176278A (en) * | 1992-01-31 | 1993-01-05 | Quarberg Craig D | Beverage can resealing device |
EP0698564A1 (en) * | 1993-01-29 | 1996-02-28 | Willem Johannes Smith | Beverage container with integral straw |
US20040016776A1 (en) * | 2001-01-31 | 2004-01-29 | Long-Shot Products, Ltd. | Container, sealing cap and method for sealing a nozzle tip of a curable liquid dispensing container |
US20120080457A1 (en) * | 2010-10-01 | 2012-04-05 | Lovinger Robert A | Powder delivery system |
US8342351B2 (en) | 2007-08-03 | 2013-01-01 | Terry J. Hobbs, SR. | Cap for caulking cartridge or similar container |
US11161662B2 (en) * | 2018-07-29 | 2021-11-02 | Diarmuid Griffin | Retractable cap for a nozzle of a caulking tube retained in a caulking gun |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2018882A (en) * | 1935-02-11 | 1935-10-29 | Continental Can Co | Spout for containers |
US2058905A (en) * | 1936-10-27 | Combined opener and spotjx for | ||
US2106381A (en) * | 1935-10-07 | 1938-01-25 | Alvan S Rough | Pouring spout |
US2145748A (en) * | 1935-07-18 | 1939-01-31 | Samuel H Bailey | Pouring spout for cans |
US2742202A (en) * | 1952-06-17 | 1956-04-17 | A H Wirz Inc | Spout closure |
US2750068A (en) * | 1955-03-29 | 1956-06-12 | Sheffield Tube Corp | Container closure |
US2757824A (en) * | 1951-02-16 | 1956-08-07 | Savary Andre | Dispensing closure for receptacles |
US2769583A (en) * | 1954-05-12 | 1956-11-06 | A H Wirz Inc | Closure |
US2770234A (en) * | 1954-04-05 | 1956-11-13 | Baxter Laboratories Inc | Parenteral administration of liquids |
-
1956
- 1956-04-02 US US575593A patent/US2887240A/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2058905A (en) * | 1936-10-27 | Combined opener and spotjx for | ||
US2018882A (en) * | 1935-02-11 | 1935-10-29 | Continental Can Co | Spout for containers |
US2145748A (en) * | 1935-07-18 | 1939-01-31 | Samuel H Bailey | Pouring spout for cans |
US2106381A (en) * | 1935-10-07 | 1938-01-25 | Alvan S Rough | Pouring spout |
US2757824A (en) * | 1951-02-16 | 1956-08-07 | Savary Andre | Dispensing closure for receptacles |
US2742202A (en) * | 1952-06-17 | 1956-04-17 | A H Wirz Inc | Spout closure |
US2770234A (en) * | 1954-04-05 | 1956-11-13 | Baxter Laboratories Inc | Parenteral administration of liquids |
US2769583A (en) * | 1954-05-12 | 1956-11-06 | A H Wirz Inc | Closure |
US2750068A (en) * | 1955-03-29 | 1956-06-12 | Sheffield Tube Corp | Container closure |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3109575A (en) * | 1959-08-24 | 1963-11-05 | American Can Co | Reinforced container closure |
US3116846A (en) * | 1959-12-10 | 1964-01-07 | Pasinvest Ets | Bottle closure |
US3088617A (en) * | 1959-12-21 | 1963-05-07 | Krautkramer Adam | Container |
US3192771A (en) * | 1960-09-02 | 1965-07-06 | Stearns Seth Ira | Heat sensitive unit |
US3153415A (en) * | 1961-02-23 | 1964-10-20 | Sheridan Corp | Infant feeding tube |
US3199748A (en) * | 1961-10-07 | 1965-08-10 | Frank T Johmann | Closure means |
US3946914A (en) * | 1973-11-22 | 1976-03-30 | Stig Ravn A/S | Arrangement for securing a nozzle to a container |
US5154327A (en) * | 1990-04-05 | 1992-10-13 | Long Kyle D | Sealable nozzle adaptor for use with a caulking tube cartridge |
US5176278A (en) * | 1992-01-31 | 1993-01-05 | Quarberg Craig D | Beverage can resealing device |
EP0698564A1 (en) * | 1993-01-29 | 1996-02-28 | Willem Johannes Smith | Beverage container with integral straw |
US20040016776A1 (en) * | 2001-01-31 | 2004-01-29 | Long-Shot Products, Ltd. | Container, sealing cap and method for sealing a nozzle tip of a curable liquid dispensing container |
US7032790B2 (en) | 2001-01-31 | 2006-04-25 | Long-Shot Products, Ltd. | Container, sealing cap and method for sealing a nozzle tip of a curable liquid dispensing container |
US8342351B2 (en) | 2007-08-03 | 2013-01-01 | Terry J. Hobbs, SR. | Cap for caulking cartridge or similar container |
US20120080457A1 (en) * | 2010-10-01 | 2012-04-05 | Lovinger Robert A | Powder delivery system |
US11161662B2 (en) * | 2018-07-29 | 2021-11-02 | Diarmuid Griffin | Retractable cap for a nozzle of a caulking tube retained in a caulking gun |
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