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 sheetsInfo
- 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
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.
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)
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 |
-
1944
- 1944-02-07 GB GB2222/44A patent/GB584921A/en not_active Expired
Cited By (1)
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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