GB1327459A - Apparatus for preparing fibrous web - Google Patents

Apparatus for preparing fibrous web

Info

Publication number
GB1327459A
GB1327459A GB5541770A GB5541770A GB1327459A GB 1327459 A GB1327459 A GB 1327459A GB 5541770 A GB5541770 A GB 5541770A GB 5541770 A GB5541770 A GB 5541770A GB 1327459 A GB1327459 A GB 1327459A
Authority
GB
United Kingdom
Prior art keywords
roller
teeth
helical
mils
degrees
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
Application number
GB5541770A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology Co
Chevron Research Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chevron Research and Technology Co, Chevron Research Co filed Critical Chevron Research and Technology Co
Publication of GB1327459A publication Critical patent/GB1327459A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D01D5/423—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by fibrillation of films or filaments
    • 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
    • D04H13/00—Other non-woven fabrics

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

1327459 Film fibrillation; perforating sheet material CHEVRON RESEARCH CO 20 Nov 1970 [26 Jan 1970] 55417/70 Addition to 1245670 Headings B4B and B5B [Also in Division D1] Apparatus for cutting slits in polymer film to form a fibrous web comprises a first roller having helical rows of cutting elements extending radially from its circumferential surface and a second roller having helical grooves filled with a resilient material formed in its circumferential surface, the apparatus being so constructed that each row of cutting elements meshes with a respective helical groove. The apparatus shown comprises roller 11 having helical rows of teeth 14 and a roller 12 having helical grooves 15 filled with resilient material. When the rollers are rotated in opposite directions teeth 14 mesh with and repeatedly penetrate the material in respective grooves 15 to slit film 13. The resilient material may be a natural rubber, or a synthetic rubber such as a silicone, urethane or butyl rubber, polyisoprene, polyisobutadiene, or a butadiene-styrene copolymer. The teeth 14 may be formed by inserting sawtooth garnett wire in helical grooves in roller 11. The helix angle of each row of teeth may be from ¢ degree to 45 degrees, and preferably from 5 degrees to 15 degrees. In each row adjacent teeth may be offset by from 1 mil to 50 mils, and preferably by from 5 mils to 13 mils. The slitting of high density polyethylene, polypropylene, poly-4- methyl-1-pentene, polyesters and polyamides such as nylon is referred to.
GB5541770A 1968-05-03 1970-11-20 Apparatus for preparing fibrous web Expired GB1327459A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72643868A 1968-05-03 1968-05-03
US574870A 1970-01-26 1970-01-26

Publications (1)

Publication Number Publication Date
GB1327459A true GB1327459A (en) 1973-08-22

Family

ID=26674737

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5541770A Expired GB1327459A (en) 1968-05-03 1970-11-20 Apparatus for preparing fibrous web

Country Status (6)

Country Link
AT (1) AT319456B (en)
BE (1) BE761207R (en)
CH (1) CH521220A (en)
FR (1) FR2077617B2 (en)
GB (1) GB1327459A (en)
NL (1) NL156767B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000029199A1 (en) * 1998-11-17 2000-05-25 Kimberly-Clark Worldwide, Inc. Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000029199A1 (en) * 1998-11-17 2000-05-25 Kimberly-Clark Worldwide, Inc. Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom
GB2361664A (en) * 1998-11-17 2001-10-31 Kimberly Clark Co Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom
US6368444B1 (en) 1998-11-17 2002-04-09 Kimberly-Clark Worldwide, Inc. Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom
GB2361664B (en) * 1998-11-17 2003-04-02 Kimberly Clark Co Apparatus and method for cross-directional stretching of polymeric film and other nonwoven sheet material and materials produced therefrom

Also Published As

Publication number Publication date
FR2077617A2 (en) 1971-10-29
DE2102902B2 (en) 1975-03-06
CH521220A (en) 1972-04-15
DE2102902A1 (en) 1971-08-12
BE761207R (en) 1971-06-16
NL7100450A (en) 1971-07-28
FR2077617B2 (en) 1979-06-27
NL156767B (en) 1978-05-16
AT319456B (en) 1974-12-27

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years