GB1388395A - Film-spreader - Google Patents

Film-spreader

Info

Publication number
GB1388395A
GB1388395A GB3641671A GB3641671A GB1388395A GB 1388395 A GB1388395 A GB 1388395A GB 3641671 A GB3641671 A GB 3641671A GB 3641671 A GB3641671 A GB 3641671A GB 1388395 A GB1388395 A GB 1388395A
Authority
GB
United Kingdom
Prior art keywords
film
tension
width
over
unfolded
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
GB3641671A
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB3641671A priority Critical patent/GB1388395A/en
Priority to US274429A priority patent/US3907186A/en
Priority to NL7210437A priority patent/NL7210437A/xx
Priority to JP7737872A priority patent/JPS5443553B2/ja
Priority to DE2238284A priority patent/DE2238284A1/de
Publication of GB1388395A publication Critical patent/GB1388395A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/02—Registering, tensioning, smoothing or guiding webs transversely
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/414—Winding
    • B65H2301/4148—Winding slitting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Replacement Of Web Rolls (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Treatment Of Fiber Materials (AREA)
GB3641671A 1971-08-03 1971-08-03 Film-spreader Expired GB1388395A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB3641671A GB1388395A (en) 1971-08-03 1971-08-03 Film-spreader
US274429A US3907186A (en) 1971-08-03 1972-07-24 Film-spreader
NL7210437A NL7210437A (ja) 1971-08-03 1972-07-28
JP7737872A JPS5443553B2 (ja) 1971-08-03 1972-08-03
DE2238284A DE2238284A1 (de) 1971-08-03 1972-08-03 Verfahren und vorrichtung zum vergleichmaessigen der spannung in einem wandernden film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3641671A GB1388395A (en) 1971-08-03 1971-08-03 Film-spreader

Publications (1)

Publication Number Publication Date
GB1388395A true GB1388395A (en) 1975-03-26

Family

ID=10387942

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3641671A Expired GB1388395A (en) 1971-08-03 1971-08-03 Film-spreader

Country Status (5)

Country Link
US (1) US3907186A (ja)
JP (1) JPS5443553B2 (ja)
DE (1) DE2238284A1 (ja)
GB (1) GB1388395A (ja)
NL (1) NL7210437A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4566154A (en) * 1983-08-02 1986-01-28 Scott Paper Company Nonwoven web spreader
EP0705785A3 (en) * 1994-10-07 1996-11-13 Eastman Kodak Co Method and apparatus for avoiding creases in thin strips
ATE445496T1 (de) * 2004-08-20 2009-10-15 Ranpak Corp Maschine und verfahren zur herstellung von polsterelementen
US20080203131A1 (en) * 2007-02-26 2008-08-28 Mirek Planeta Film guiding assembly

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1927849A (en) * 1932-06-29 1933-09-26 Hellwig Silk Dyeing Company Cloth expander and guide
US2674776A (en) * 1951-10-31 1954-04-13 John D Robertson Apparatus for expanding and contracting traveling sheet materials
US2945637A (en) * 1957-07-19 1960-07-19 Westinghouse Electric Corp Paper mill winder drives

Also Published As

Publication number Publication date
DE2238284A1 (de) 1973-04-05
US3907186A (en) 1975-09-23
JPS4825747A (ja) 1973-04-04
NL7210437A (ja) 1973-02-06
JPS5443553B2 (ja) 1979-12-20

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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