CA2217684A1 - Meltblowing method and apparatus - Google Patents
Meltblowing method and apparatusInfo
- Publication number
- CA2217684A1 CA2217684A1 CA2217684A CA2217684A CA2217684A1 CA 2217684 A1 CA2217684 A1 CA 2217684A1 CA 2217684 A CA2217684 A CA 2217684A CA 2217684 A CA2217684 A CA 2217684A CA 2217684 A1 CA2217684 A1 CA 2217684A1
- Authority
- CA
- Canada
- Prior art keywords
- orifices
- adhesive
- flows
- velocity
- air
- 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.)
- Granted
Links
- 239000000853 adhesive Substances 0.000 abstract 7
- 230000001070 adhesive effect Effects 0.000 abstract 7
- 230000002238 attenuated effect Effects 0.000 abstract 2
- 210000001124 body fluid Anatomy 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
- B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
- B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
- Nonwoven Fabrics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
A meltblowing method and apparatus for dispensing an adhesive through a plurality of first orifices of a die assembly fabricated from a plurality of laminated members to form a plurality of adhesive flows at a first velocity, and dispensing air through a plurality of second orifices in the die assembly to form a plurality of air flows at a second velocity. The plurality of first and second orifices arranged in an alternating series so that each of the plurality of first orifices is flanked on substantially opposing sides by one of the plurality of second orifices, wherein the plurality of first and second orifices are oriented to direct non-convergently the plurality of adhesive flows and the plurality of air flows. The plurality of adhesive flows are drawn and attenuated by the plurality of air flows at the second velocity greater than the first velocity of the plurality of adhesive flows, wherein the plurality of adhesive flows are attenuated to form a plurality of adhesive filaments useable for the production of bodily fluid absorbing hygienic articles.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/717,080 | 1996-10-08 | ||
US08/717,080 US5902540A (en) | 1996-10-08 | 1996-10-08 | Meltblowing method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2217684A1 true CA2217684A1 (en) | 1998-04-08 |
CA2217684C CA2217684C (en) | 2001-02-06 |
Family
ID=24880635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002217684A Expired - Lifetime CA2217684C (en) | 1996-10-08 | 1997-10-07 | Meltblowing method and apparatus |
Country Status (10)
Country | Link |
---|---|
US (3) | US5902540A (en) |
EP (1) | EP0835952B1 (en) |
JP (2) | JP4008547B2 (en) |
KR (1) | KR100239833B1 (en) |
CN (1) | CN1088767C (en) |
AU (1) | AU699826B2 (en) |
BR (1) | BR9704982A (en) |
CA (1) | CA2217684C (en) |
DE (1) | DE69718870T2 (en) |
TW (1) | TW353635B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101849872A (en) * | 1998-04-15 | 2010-10-06 | 伊利诺斯工具工程有限公司 | Elastic strand coating process |
Families Citing this family (150)
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- 1997-10-07 EP EP97307932A patent/EP0835952B1/en not_active Expired - Lifetime
- 1997-10-07 BR BR9704982A patent/BR9704982A/en not_active IP Right Cessation
- 1997-10-07 CA CA002217684A patent/CA2217684C/en not_active Expired - Lifetime
- 1997-10-08 AU AU39977/97A patent/AU699826B2/en not_active Expired
- 1997-10-08 KR KR1019970052784A patent/KR100239833B1/en not_active IP Right Cessation
- 1997-10-08 JP JP27615797A patent/JP4008547B2/en not_active Expired - Fee Related
- 1997-10-08 TW TW086114726A patent/TW353635B/en not_active IP Right Cessation
- 1997-10-08 CN CN97122802A patent/CN1088767C/en not_active Expired - Lifetime
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1999
- 1999-02-20 US US09/255,906 patent/US6074597A/en not_active Expired - Lifetime
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2000
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2002
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CN101849872A (en) * | 1998-04-15 | 2010-10-06 | 伊利诺斯工具工程有限公司 | Elastic strand coating process |
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CN1088767C (en) | 2002-08-07 |
EP0835952B1 (en) | 2003-02-05 |
CN1188824A (en) | 1998-07-29 |
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EP0835952A1 (en) | 1998-04-15 |
CA2217684C (en) | 2001-02-06 |
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JPH10183454A (en) | 1998-07-14 |
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JP3556941B2 (en) | 2004-08-25 |
TW353635B (en) | 1999-03-01 |
KR100239833B1 (en) | 2000-01-15 |
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JP2003113526A (en) | 2003-04-18 |
AU3997797A (en) | 1998-04-23 |
BR9704982A (en) | 1998-12-01 |
US5902540A (en) | 1999-05-11 |
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