GB1475571A - Method of and a machine for producing low-shrinkage ribbons of film - Google Patents

Method of and a machine for producing low-shrinkage ribbons of film

Info

Publication number
GB1475571A
GB1475571A GB2520174A GB2520174A GB1475571A GB 1475571 A GB1475571 A GB 1475571A GB 2520174 A GB2520174 A GB 2520174A GB 2520174 A GB2520174 A GB 2520174A GB 1475571 A GB1475571 A GB 1475571A
Authority
GB
United Kingdom
Prior art keywords
ribbons
stage
drawn
film
june
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
GB2520174A
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.)
Oerlikon Barmag AG
Original Assignee
Barmag Barmer Maschinenfabrik AG
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 Barmag Barmer Maschinenfabrik AG filed Critical Barmag Barmer Maschinenfabrik AG
Publication of GB1475571A publication Critical patent/GB1475571A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/0063—Cutting longitudinally
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/154—Coating solid articles, i.e. non-hollow articles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces

Abstract

1475571 Stretching polymeric ribbons BARMAG BARMER MASCHINENFABRIK AG 6 June 1974 [6 June 1973] 25201/74 Heading B5B Monoaxially drawn thermoplastic ribbons are produced by feeding an extruded film over a cutter to produce a plurality of ribbons which are drawn in at least two drawing stages above room temperature and below but adjacent the crystalline melting point, followed by heat stabilization, wherein the drawing temperature increases from one stage to the next and is dependent on the previous amount of drawing undergone by the film. The temperatures used are such that very low drawing tensions, are used, i.e. not more than 1000 ponds/mm<SP>2</SP>. The preferred films are of polypropylene drawn up to 3 x in the first stage, and heating in the final stage being provided by a combination of heated rollers and convection heating.
GB2520174A 1973-06-06 1974-06-06 Method of and a machine for producing low-shrinkage ribbons of film Expired GB1475571A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2328639A DE2328639C3 (en) 1973-06-06 1973-06-06 Process for the production of monoaxially stretched film strips from polypropylene

Publications (1)

Publication Number Publication Date
GB1475571A true GB1475571A (en) 1977-06-01

Family

ID=5883107

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2520174A Expired GB1475571A (en) 1973-06-06 1974-06-06 Method of and a machine for producing low-shrinkage ribbons of film

Country Status (10)

Country Link
JP (1) JPS5048077A (en)
AT (1) AT359621B (en)
BR (1) BR7404512D0 (en)
DD (1) DD111656A5 (en)
DE (1) DE2328639C3 (en)
ES (1) ES426983A1 (en)
FR (1) FR2232427B3 (en)
GB (1) GB1475571A (en)
IT (1) IT1013170B (en)
ZA (1) ZA743617B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2405990C3 (en) * 1974-02-08 1981-05-14 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Device for applying running threads to rotating rollers
JPS578118A (en) * 1980-06-20 1982-01-16 Mitsubishi Petrochem Co Ltd Biaxially oriented polypropylene film and manufacture thereof
DE3220587C2 (en) * 1982-06-01 1984-09-13 Stahlkontor Weser Lenze GmbH & Co KG, 3251 Aerzen Method and device for cutting and winding up small tapes, in particular made of adhesive-coated foils
DE3604703A1 (en) * 1986-02-14 1987-09-10 Windmoeller & Hoelscher OVEN FOR HEATING THERMOPLASTIC TAPES TO BE STRETCHED
EP0307785B1 (en) * 1987-09-14 1991-12-11 WindmÀ¶ller & Hölscher Method and device for the production of double-layered stretched ribbons
DE4318689C2 (en) * 1993-06-04 1995-09-07 Windmoeller & Hoelscher Process for producing low-shrink tapes and device for carrying out this process
DE19756257A1 (en) * 1997-12-17 1999-07-01 Sahm Georg Fa Multi-layer small plastic band manufacture for use in high strength woven fabrics and process equipment
DE102013019304A1 (en) 2013-11-16 2015-05-21 Oerlikon Textile Gmbh & Co. Kg Process for the production of synthetic film tapes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089965B (en) * 1955-03-28 1960-09-29 Du Pont Process for the molecular orientation of polyethylene films
FR1450585A (en) * 1965-06-14 1966-06-24 Saint Freres Method and apparatus for drawing synthetic polymer tapes and products obtained
GB1171219A (en) * 1967-11-09 1969-11-19 Ici Ltd Process for the production of preferentially oriented Polyolefin Tapes
DE1779150C2 (en) * 1968-07-12 1973-01-04 Kalle Ag, 6202 Wiesbaden-Biebrich Process for the production of monoaxially stretched film strips

Also Published As

Publication number Publication date
BR7404512D0 (en) 1975-01-21
DD111656A5 (en) 1975-03-05
AT359621B (en) 1980-11-25
DE2328639A1 (en) 1975-01-02
DE2328639C3 (en) 1985-04-18
ATA407374A (en) 1978-09-15
ES426983A1 (en) 1976-08-01
DE2328639B2 (en) 1979-07-26
FR2232427A1 (en) 1975-01-03
IT1013170B (en) 1977-03-30
FR2232427B3 (en) 1977-04-08
ZA743617B (en) 1975-05-28
JPS5048077A (en) 1975-04-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee