IE38129B1 - Method and apparatus for continuously varying the cross-section of thermo-plastic film webs - Google Patents

Method and apparatus for continuously varying the cross-section of thermo-plastic film webs

Info

Publication number
IE38129B1
IE38129B1 IE149473A IE149473A IE38129B1 IE 38129 B1 IE38129 B1 IE 38129B1 IE 149473 A IE149473 A IE 149473A IE 149473 A IE149473 A IE 149473A IE 38129 B1 IE38129 B1 IE 38129B1
Authority
IE
Ireland
Prior art keywords
thermo
cross
section
plastic film
continuously varying
Prior art date
Application number
IE149473A
Other versions
IE38129L (en
Original Assignee
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 filed Critical Hoechst Ag
Publication of IE38129L publication Critical patent/IE38129L/en
Publication of IE38129B1 publication Critical patent/IE38129B1/en

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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/90—Measuring, controlling or regulating
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
IE149473A 1972-08-28 1973-08-27 Method and apparatus for continuously varying the cross-section of thermo-plastic film webs IE38129B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722242284 DE2242284A1 (en) 1972-08-28 1972-08-28 METHOD AND DEVICE FOR CONTINUOUS CHANGING THICKNESS PROFILE OF THERMOPLASTIC FILM

Publications (2)

Publication Number Publication Date
IE38129L IE38129L (en) 1974-02-28
IE38129B1 true IE38129B1 (en) 1978-01-04

Family

ID=5854781

Family Applications (1)

Application Number Title Priority Date Filing Date
IE149473A IE38129B1 (en) 1972-08-28 1973-08-27 Method and apparatus for continuously varying the cross-section of thermo-plastic film webs

Country Status (9)

Country Link
JP (1) JPS4953963A (en)
BE (1) BE804122A (en)
DE (1) DE2242284A1 (en)
FR (1) FR2197709B1 (en)
GB (1) GB1437980A (en)
IE (1) IE38129B1 (en)
IT (1) IT990325B (en)
LU (1) LU68312A1 (en)
NL (1) NL7311375A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2795995B1 (en) * 1999-07-08 2001-10-05 Plastiques De La Deome PROCESS AND DEVICE FOR MANUFACTURING AN ADHESIVE FILM FOR PALLETIZATION AND FILM OBTAINED
BRPI0520393A2 (en) * 2005-06-01 2009-05-05 3M Innovative Properties Co film manipulation apparatus and method for controlling the cross-gauge profile of a polymeric film blanket
US11442208B2 (en) * 2017-05-17 2022-09-13 Everix, Inc. Ultra-thin, flexible thin-film filters with spatially or temporally varying optical properties and methods of making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1429227A (en) * 1965-04-13 1966-02-18 Du Pont Method for improving the roll-up ability of polymeric organic films

Also Published As

Publication number Publication date
LU68312A1 (en) 1975-05-21
JPS4953963A (en) 1974-05-25
FR2197709B1 (en) 1978-05-26
IE38129L (en) 1974-02-28
GB1437980A (en) 1976-06-03
FR2197709A1 (en) 1974-03-29
BE804122A (en) 1974-02-28
IT990325B (en) 1975-06-20
DE2242284A1 (en) 1974-03-21
NL7311375A (en) 1974-03-04

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