GB1193051A - Method and Apparatus for Improving the Uniformity of Longitudinal Stretching in the Biaxial Stretching of Film Webs. - Google Patents

Method and Apparatus for Improving the Uniformity of Longitudinal Stretching in the Biaxial Stretching of Film Webs.

Info

Publication number
GB1193051A
GB1193051A GB229269A GB229269A GB1193051A GB 1193051 A GB1193051 A GB 1193051A GB 229269 A GB229269 A GB 229269A GB 229269 A GB229269 A GB 229269A GB 1193051 A GB1193051 A GB 1193051A
Authority
GB
United Kingdom
Prior art keywords
film
stretching
mark
longitudinal
uniformity
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
GB229269A
Other languages
English (en)
Inventor
Hieronymus Zygan
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of GB1193051A publication Critical patent/GB1193051A/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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/146—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly transversely to the direction of feed and then parallel thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB229269A 1968-01-26 1969-01-15 Method and Apparatus for Improving the Uniformity of Longitudinal Stretching in the Biaxial Stretching of Film Webs. Expired GB1193051A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0054642 1968-01-26

Publications (1)

Publication Number Publication Date
GB1193051A true GB1193051A (en) 1970-05-28

Family

ID=7107215

Family Applications (1)

Application Number Title Priority Date Filing Date
GB229269A Expired GB1193051A (en) 1968-01-26 1969-01-15 Method and Apparatus for Improving the Uniformity of Longitudinal Stretching in the Biaxial Stretching of Film Webs.

Country Status (4)

Country Link
BE (1) BE727322A (fr)
FR (1) FR2000807A1 (fr)
GB (1) GB1193051A (fr)
NL (1) NL6818819A (fr)

Also Published As

Publication number Publication date
FR2000807A1 (en) 1969-09-12
NL6818819A (fr) 1969-07-29
BE727322A (fr) 1969-07-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees