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double wire binding
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Chinese Binding Co., Ltd.
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double wire binding
| Subject: | double wire binding |
| Update Date: | 2009-04-21 21:57:38.0 |
| Valid Period: |
Never expired
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Description
The double-loop spirals are produced "open" to be inserted in pre-punched holes of the suitable dimensions. Once inserted in the proper holes they are simply crimped closed with a wire closer. The 3 to1 (3:1) pitch is used for books up to about 1/2" thick and 2 to 1 (2:1) wire can be used for books up to about 1-1/8"; However 2 to1 (2:1) can be also manufactured from 1/4" to 9/16" on demand.
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