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GB948805A - A method for conditioning thin webs of a thermoplastic material to improve windability - Google Patents

A method for conditioning thin webs of a thermoplastic material to improve windability

Info

Publication number
GB948805A
GB948805A GB20982/61A GB2098261A GB948805A GB 948805 A GB948805 A GB 948805A GB 20982/61 A GB20982/61 A GB 20982/61A GB 2098261 A GB2098261 A GB 2098261A GB 948805 A GB948805 A GB 948805A
Authority
GB
United Kingdom
Prior art keywords
web
winding
thermoplastic material
pattern
embossing
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
GB20982/61A
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.)
INTERNAT DEV Co OF NAT DI
Original Assignee
INTERNAT DEV Co OF NAT DI
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 INTERNAT DEV Co OF NAT DI filed Critical INTERNAT DEV Co OF NAT DI
Publication of GB948805A publication Critical patent/GB948805A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C29/00—Finishing or dressing, of textile fabrics, not provided for in the preceding groups
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/32—Coiling
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)

Abstract

948,805. Embossing; winding webs; embossing surfaces. INTERNATIONAL DEVELOPMENT CO. OF NATIONAL DISTILLERS & CHEMICAL CORPORATION S.A. June 9, 1961 [June 10, 1960], No. 20982/61. Headings B6B, B6C and B6J. In the winding of webs of thin thermoplastic material into rolls the material is preconditioned so as to compensate for the effects of shrinkage and density change therein after rolling, by embossing the web to produce a regular embossed pattern on the web immediately prior to winding the web upon a roll under such conditions that distortion of the thermoplastic material in excess of its elastic limit is avoided. A web 3 of thermoplastic material, which may have a gauge less than 0.002 inch, is embossed between a resilient, rubber cylinder 4 and an engraved, chromeplated steel cylinder 5 and is then wound on a roll centre tube 2 on a winding shaft 1 after passing round a spring-biased idler roller 6. The shaft 1 and the shafts of the cylinders 4, 5 are driven in synchronism. The cylinder 5 is engraved with helical grooves 7, 8 of opposite rotation and with circumferential grooves 9 so that a pattern of equilateral triangular bosses is formed thereon, there being preferably between 64 and 1,024 bosses per square inch. The pressure between the cylinders is sufficient to impress the pattern into the material of the web 6 without exceeding the elastic limit of the material and may be within the range of 25 to 150 1b. per square inch. Thus the pattern remains impressed on the material as it is wound up but disappears after a time whereby additional material is made available in each roll layer to compensate for the effects of shrinkage and density change, preventing the formation of ridges and depressions in the rolled web.
GB20982/61A 1960-06-10 1961-06-09 A method for conditioning thin webs of a thermoplastic material to improve windability Expired GB948805A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35343A US3060515A (en) 1960-06-10 1960-06-10 Method for conditioning thin sheets of a thermoplastic material to improve windability

Publications (1)

Publication Number Publication Date
GB948805A true GB948805A (en) 1964-02-05

Family

ID=21882080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20982/61A Expired GB948805A (en) 1960-06-10 1961-06-09 A method for conditioning thin webs of a thermoplastic material to improve windability

Country Status (3)

Country Link
US (1) US3060515A (en)
GB (1) GB948805A (en)
LU (1) LU40245A1 (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3158670A (en) * 1961-05-15 1964-11-24 Ht Res Inst Method and means for producing magnetic record members
US3213172A (en) * 1961-05-25 1965-10-19 Dow Chemical Co Chill-roll casting method for producing film from thermoplastic polymers
US3471604A (en) * 1966-02-16 1969-10-07 Phillips Petroleum Co Preworking film
US3484835A (en) * 1968-06-25 1969-12-16 Clopay Corp Embossed plastic film
JPS5126113B1 (en) * 1971-07-19 1976-08-04
US4185068A (en) * 1973-09-05 1980-01-22 Hoechst Aktiengesellschaft Process for preparing a web of film prior to winding it into a wound roll
US3911187A (en) * 1973-12-26 1975-10-07 Ethyl Corp Embossed plastic film
US4105491A (en) * 1975-02-21 1978-08-08 Mobil Oil Corporation Process and apparatus for the manufacture of embossed film laminations
US4255381A (en) * 1975-02-28 1981-03-10 General Electric Company Textured surface polypropylene film
US4360552A (en) * 1975-02-28 1982-11-23 General Electric Company Textured surface polypropylene film
GB1533306A (en) * 1976-08-13 1978-11-22 Ici Ltd Cooling thermoplastic tubes
US4211743A (en) * 1978-05-24 1980-07-08 Nauta Roll Corporation Apparatus and method for embossing web material
DE3036289A1 (en) * 1980-09-26 1982-06-03 Hoechst Ag, 6000 Frankfurt METHOD FOR PRODUCING BIAXIAL STRETCHED AND EMBOSSED FILMS FROM VINYL CHLORIDE POLYMERISATS
DE3624319A1 (en) * 1986-07-18 1988-01-28 Wolff Walsrode Ag METHOD FOR PRODUCING POLYURETHANE FILMS FOR BLOOD OR INFUSION BAGS
JP2542790B2 (en) * 1993-10-15 1996-10-09 清二 加川 Porous film manufacturing equipment
US7063880B2 (en) 2000-10-02 2006-06-20 S.C. Johnson Home Storage, Inc. Sheet material and manufacturing method and apparatus therefor
US6991844B2 (en) 2000-10-02 2006-01-31 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7056569B2 (en) 2000-10-02 2006-06-06 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US6986931B2 (en) * 2000-10-02 2006-01-17 S.C. Johnson & Son, Inc. Disposable cutting sheet
US6979485B2 (en) 2000-10-02 2005-12-27 S.C. Johnson Home Storage, Inc. Processing substrate and/or support surface
US7022395B2 (en) 2000-10-02 2006-04-04 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7078088B2 (en) 2000-10-02 2006-07-18 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
US7063879B2 (en) 2000-10-02 2006-06-20 S.C. Johnson Home Storage, Inc. Disposable cutting sheet
JP2003170396A (en) * 2001-12-03 2003-06-17 Kunitsugu Suzuki Plastic sheet cutting and processing device
JP3911465B2 (en) * 2002-09-19 2007-05-09 日本合成化学工業株式会社 Production method of polyvinyl alcohol film
FR2846275B1 (en) * 2002-10-25 2004-12-10 Cebal Sas IMPROVEMENT OF A PROCESS FOR THE MANUFACTURE OF FLEXIBLE PLASTIC OR METALLOPLASTIC TUBES
US7938635B2 (en) 2002-12-20 2011-05-10 The Procter & Gamble Company Apparatus for producing a web substrate having indicia disposed thereon and elastic-like behavior imparted thereto
US7026034B2 (en) 2003-02-11 2006-04-11 S.C. Johnson Home Storage, Inc. Processing substrate and method of manufacturing same
ITFI20060072A1 (en) * 2006-03-15 2007-09-16 Perini Fabio Spa EMBOSSING ROLLER AND ITS PROCEDURE FOR ITS PRODUCTION
CN111300805A (en) * 2020-02-24 2020-06-19 杜肯新材料（武汉）集团股份有限公司 Rubber-plastic foaming thermal insulation material and production tool and production method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB550534A (en) * 1940-07-10 1943-01-13 Du Pont Improved plastic sheeting and its applications
US2609568A (en) * 1950-10-20 1952-09-09 Perkins & Son Inc B F Apparatus and method of embossing thermoplastic sheets
US2976567A (en) * 1957-10-16 1961-03-28 Dow Chemical Co Process and apparatus for upgrading thermoplastic film

Also Published As

Publication number Publication date
LU40245A1 (en) 1961-08-10
US3060515A (en) 1962-10-30

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