Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – To produce composite – plural part or multilayered article
Patent
1984-02-22
1985-04-23
Simmons, David
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
To produce composite, plural part or multilayered article
118410, 156291, 156578, 156908, 412 37, 425128, 425129R, 427285, B32B 300
Patent
active
045129452
ABSTRACT:
The invention is concerned with the field of devices for spread-applying liquids, and in particular, with a device and method for spread-applying glue on the spine region of a book.
The technical problem to be solved was that of providing bookbinding machines which could spread glue controllably and evenly, and apply said glue on all the suitable locations for glueing and only there.
The problem is solved by providing a device which has a pair of containment lateral sides arranged at extrusion nozzles and alongside the path followed by said book spines, said lateral sides being movable to and away from each other and defining an extrusion chamber which envelopes both said spine and book edges adjacent it, and has a working chamber operative to supply said nozzles with glue and being confined between two juxtaposed pressure elements which are movable together with said containment lateral sides.
REFERENCES:
patent: 2774326 (1956-12-01), Nelson
patent: 3071106 (1963-01-01), Burelbach
patent: 3285225 (1966-11-01), Recor
patent: 3362302 (1968-01-01), Friedman
patent: 3384931 (1968-05-01), Cochran et al.
patent: 3521602 (1970-07-01), Goghill
patent: 4145171 (1979-03-01), Guyowski
patent: 4263348 (1981-04-01), Renegar
PLASTIVER S.a.s. di Giovanni e Vittorio VIGANO & C.
Simmons David
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