CA1020599A - Process and apparatus for preparing double edge on flexible sheet material - Google Patents

Process and apparatus for preparing double edge on flexible sheet material

Info

Publication number
CA1020599A
CA1020599A CA219,721A CA219721A CA1020599A CA 1020599 A CA1020599 A CA 1020599A CA 219721 A CA219721 A CA 219721A CA 1020599 A CA1020599 A CA 1020599A
Authority
CA
Canada
Prior art keywords
sheet material
flexible sheet
double edge
preparing double
preparing
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
CA219,721A
Other languages
English (en)
Inventor
Merle I. Hall
Alvin E. Allen
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.)
Baltimore Aircoil Co Inc
Original Assignee
Baltimore Aircoil Co Inc
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 Baltimore Aircoil Co Inc filed Critical Baltimore Aircoil Co Inc
Application granted granted Critical
Publication of CA1020599A publication Critical patent/CA1020599A/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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/04—Bending or folding of plates or sheets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1007—Running or continuous length work
    • Y10T156/1008—Longitudinal bending
    • Y10T156/1011—Overedge bending or overedge folding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
CA219,721A 1974-03-11 1975-02-10 Process and apparatus for preparing double edge on flexible sheet material Expired CA1020599A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/448,793 US3978191A (en) 1974-03-11 1974-03-11 Process and apparatus for preparing double edge on flexible sheet material

Publications (1)

Publication Number Publication Date
CA1020599A true CA1020599A (en) 1977-11-08

Family

ID=23781710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA219,721A Expired CA1020599A (en) 1974-03-11 1975-02-10 Process and apparatus for preparing double edge on flexible sheet material

Country Status (6)

Country Link
US (1) US3978191A (fr)
JP (1) JPS50123170A (fr)
BE (1) BE826329A (fr)
BR (1) BR7500970A (fr)
CA (1) CA1020599A (fr)
ZA (1) ZA751353B (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013496A (en) * 1974-11-22 1977-03-22 Owens-Illinois, Inc. Method for producing shrunken pilfer-proof neck labels on containers
US4072968A (en) * 1976-04-27 1978-02-07 Polaroid Corporation Self-retracting imbibition chamber for cameras and method of making the same
US4175476A (en) * 1978-03-27 1979-11-27 H. G. Weber & Co., Inc. Method and apparatus for forming reinforced top file folders
US4356053A (en) * 1981-05-11 1982-10-26 Ethyl Corporation Edge sealing of laminate
SE451814B (sv) * 1981-11-05 1987-11-02 Tetra Pak Ab Sett och anordning for vikning och forsegling av en materialbanas lengsgaende kant
US4410390A (en) * 1982-04-16 1983-10-18 The B. F. Goodrich Company Belt folding apparatus
US4588463A (en) * 1982-11-04 1986-05-13 Datafile Limited Method of producing a reinforced file folder
US4839126A (en) * 1987-09-14 1989-06-13 Griesdorn Carl P Method and apparatus for folding the edges of a sheet of material
US5261636A (en) * 1990-02-21 1993-11-16 Esselte Pendaflex Corporation Hanging laminated folder
US5161731A (en) * 1991-08-21 1992-11-10 Esselte Pendaflex Corporation Reinforced expandable folder
US5711750A (en) * 1990-02-21 1998-01-27 Smead Manufacturing Company Reinforced expandable folders
SE9601010L (sv) * 1996-03-15 1997-09-16 Lena Rose Marie Vinberg Med Fi Rulle av bana med avskiljbara föremål
US6592699B1 (en) * 1999-10-28 2003-07-15 Illinois Tool Works, Inc. Process for making stretch film having heat-sealed edges
US6991700B2 (en) * 2001-11-29 2006-01-31 Smith Lanny R Heat sealed webbing method and apparatus for pool covers
US8221298B2 (en) 2008-07-21 2012-07-17 Paragon Films, Inc. Apparatus and method for folding film edges
US9162403B2 (en) 2013-03-15 2015-10-20 Davis-Standard, Llc Apparatus for manufacturing and processing pre-stretch films having strips of increased thickness
DE102013205440A1 (de) * 2013-03-27 2014-10-02 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Herstellung eines Faserverbundbauteils mit verstärktem Anbindungsabschnitt zur lokalen Krafteinleitung
US9630799B2 (en) 2014-07-16 2017-04-25 Anthony Galea Method and apparatus for fabricating stretch film rolls
CN106742698B (zh) * 2016-12-13 2019-07-12 厦门聚富塑胶制品有限公司 一种拉伸缠绕膜的纸芯及拉伸缠绕膜的制造装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781818A (en) * 1953-01-02 1957-02-19 Abbott Coburn Method and apparatus for flanging metallic and asphaltic sheet materials
US2848751A (en) * 1953-01-12 1958-08-26 Art Metal Construction Co Method for making index tips
US2779388A (en) * 1954-08-02 1957-01-29 Henry N Quoss Apparatus and method of forming elongate articles from fiberglas
US3399096A (en) * 1965-02-04 1968-08-27 St Regis Paper Co Method and apparatus for forming reinforced edges in packaging blanks
US3850085A (en) * 1973-05-11 1974-11-26 L Klemm Method and apparatus for fabricating an elongated carton

Also Published As

Publication number Publication date
AU7799775A (en) 1976-08-12
US3978191A (en) 1976-08-31
ZA751353B (en) 1976-02-25
JPS50123170A (fr) 1975-09-27
BE826329A (fr) 1975-09-05
BR7500970A (pt) 1975-12-09

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