Fabrication of bound documents

Details Fabrication of bound documents Fabrication of bound documents

1991-07-29

1992-06-09

Bell, Paul A.

Bookbinding: process and apparatus

Process

Of adhesive binding

412 17, 412900, 281 211, 281 28, B42C 900, B42B 704, B42D 100

Patent

active

051201763

ABSTRACT:
A bound document is made by placing one or more sheets of paper to be bound inside a binder having a hot-melt adhesive and then exposing the binder to microwave energy for a sufficient period of time to cause the hot-melt adhesive to melt bond onto an edge of the sheets of paper. In one embodiment of the invention, the hot-melt adhesive is microwave activatable. In another embodiment of the invention, the hot-melt adhesive is not necessarily microwave activatable and the binder includes a strip of susceptor material which converts incident microwave radiation to heat. In still another embodiment of the invention, the hot-melt adhesive is not necessarily microwave activatable and a quantity of microwave responsive material is incorporated into the hot-melt adhesive. In still yet another embodiment, the hot-melt adhesive is not necessarily microwave activatable, and a microwave susceptor is incorporated into a stand on which the binder may be placed during exposure to the microwave radiation.

REFERENCES:
patent: 4367061 (1983-01-01), Wiholm
patent: 4471976 (1984-09-01), Giulie
patent: 4855573 (1989-08-01), Vercillo et al.
patent: 4863332 (1989-09-01), Wiholm
patent: 5035561 (1991-07-01), Loibl
patent: 5066183 (1991-11-01), Tholirus

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