ES366562A1 - Procedure and device for longitudinal stretching of synthetic material sheets. (Machine-translation by Google Translate, not legally binding) - Google Patents

Procedure and device for longitudinal stretching of synthetic material sheets. (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES366562A1
ES366562A1 ES366562A ES366562A ES366562A1 ES 366562 A1 ES366562 A1 ES 366562A1 ES 366562 A ES366562 A ES 366562A ES 366562 A ES366562 A ES 366562A ES 366562 A1 ES366562 A1 ES 366562A1
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
synthetic material
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
ES366562A
Other languages
Spanish (es)
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst 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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of ES366562A1 publication Critical patent/ES366562A1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

A method for longitudinally stretching sheets of synthetic material with a roller arrangement, in which the sheet runs through a first group of rollers, where it is heated to the drawing temperature, and a second group of rollers that rotates at a peripheral speed higher, being between the groups of rollers a drainage groove, characterized in that the sheet, on the input side of at least one roller of each group of rollers is pressed by a pinch roller, endowed with an elastic surface, against said roller. (Machine-translation by Google Translate, not legally binding)
ES366562A 1968-04-30 1969-04-28 Procedure and device for longitudinal stretching of synthetic material sheets. (Machine-translation by Google Translate, not legally binding) Expired ES366562A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1778446 1968-04-30

Publications (1)

Publication Number Publication Date
ES366562A1 true ES366562A1 (en) 1971-03-16

Family

ID=5703443

Family Applications (1)

Application Number Title Priority Date Filing Date
ES366562A Expired ES366562A1 (en) 1968-04-30 1969-04-28 Procedure and device for longitudinal stretching of synthetic material sheets. (Machine-translation by Google Translate, not legally binding)

Country Status (5)

Country Link
BE (1) BE732358A (en)
CH (1) CH487725A (en)
ES (1) ES366562A1 (en)
FR (1) FR2007313A1 (en)
NL (1) NL6905703A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2044865C3 (en) * 1970-06-20 1981-08-13 Toyo Boseki K.K., Osaka Device for stretching a plastic film web in the longitudinal direction
GB1371334A (en) * 1970-10-30 1974-10-23 Agfa Gevaert Film stretching method and apparatus
EP0181755B1 (en) * 1984-11-06 1988-08-03 Toray Industries, Inc. Method for holding a moving film
US4554207A (en) * 1984-12-10 1985-11-19 E. I. Du Pont De Nemours And Company Stretched-and-bonded polyethylene plexifilamentary nonwoven sheet
AT393648B (en) * 1990-02-15 1991-11-25 Chemiefaser Lenzing Ag FILM STRETCHER

Also Published As

Publication number Publication date
CH487725A (en) 1970-03-31
BE732358A (en) 1969-10-30
NL6905703A (en) 1969-11-03
FR2007313A1 (en) 1970-01-02

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