B - Operations – Transporting – 42 – F
Patent
B - Operations, Transporting
42
F
93/16
B42F 7/06 (2006.01) A45C 3/02 (2006.01) B29C 65/00 (2006.01) B29C 65/04 (2006.01) B42F 7/02 (2006.01) B65D 25/04 (2006.01)
Patent
CA 1281928
Title of the Invention A Production Process of a Multi-pocketed Paper Holder Abstract of the Disclosure This invention concerns a production process of a multi- pocketed paper holder comprising a plurality of component pockets sandwiched by a pair of covers. The back of the covers and a component pocket next thereto, and each pocket in contact between the covers are welded in a bellow form by the heat of a high frequency heating apparatus. The back of the covers is provided with a pocket to put an electro- conductive plate in by the use of fusible synthetic polymer sheet, while the component pockets, in which either an elec- troconductive or non-electroconductive plate is put, are formed by the use of two sheets of fusible synthetic polymer by welding three sides thereof with one side left open. A pile preliminarily formed by superposing a component pocket holding an electroconductive plate and a component pocket holding a non-electroconductive plate at random by a certain number and the covers holding an electroconductive plate are heated between a bed and a compressing plate opposing each other at a time by means of the high frequency heating apparatus so that the product is finished by welding.
562809
Mitsuyama Masuhiro
Riches Mckenzie & Herbert Llp
LandOfFree
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