GB584921A - Improvements in or relating to the manufacture of helical binders for use in securing in book-form stacks of perforated sheets - Google Patents

Improvements in or relating to the manufacture of helical binders for use in securing in book-form stacks of perforated sheets

Info

Publication number
GB584921A
GB584921A GB2222/44A GB222244A GB584921A GB 584921 A GB584921 A GB 584921A GB 2222/44 A GB2222/44 A GB 2222/44A GB 222244 A GB222244 A GB 222244A GB 584921 A GB584921 A GB 584921A
Authority
GB
United Kingdom
Prior art keywords
book
securing
relating
manufacture
perforated sheets
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
GB2222/44A
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.)
Spiral Binding Co Inc
Original Assignee
Spiral Binding 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 Spiral Binding Co Inc filed Critical Spiral Binding Co Inc
Publication of GB584921A publication Critical patent/GB584921A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B5/00—Permanently attaching together sheets, quires or signatures otherwise than by stitching
    • B42B5/08—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures
    • B42B5/12—Permanently attaching together sheets, quires or signatures otherwise than by stitching by finger, claw or ring-like elements passing through the sheets, quires or signatures the elements being coils
    • B42B5/123—Devices for assembling the elements with the stack of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F3/00—Coiling wire into particular forms
    • B21F3/02—Coiling wire into particular forms helically
    • B21F3/04—Coiling wire into particular forms helically externally on a mandrel or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

A helix which may be cut into lengths suitable for use as binders for securing together in book form perforated sheets, is made by coiling a filament of cellulose acetate-butyrate around a mandrel.
GB2222/44A 1943-02-17 1944-02-07 Improvements in or relating to the manufacture of helical binders for use in securing in book-form stacks of perforated sheets Expired GB584921A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US584921XA 1943-02-17 1943-02-17

Publications (1)

Publication Number Publication Date
GB584921A true GB584921A (en) 1947-01-27

Family

ID=22017139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2222/44A Expired GB584921A (en) 1943-02-17 1944-02-07 Improvements in or relating to the manufacture of helical binders for use in securing in book-form stacks of perforated sheets

Country Status (1)

Country Link
GB (1) GB584921A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001240A1 (en) * 1977-09-27 1979-04-04 Hugo Kern und Liebers GmbH & Co. Platinen- und Federnfabrik Machine for coiling helical springs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0001240A1 (en) * 1977-09-27 1979-04-04 Hugo Kern und Liebers GmbH & Co. Platinen- und Federnfabrik Machine for coiling helical springs

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