Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work cooling means
Patent
1986-06-16
1989-01-10
Cashion, Jr., Merrell C.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work cooling means
156282, 156294, 156296, 1563096, 156499, 156500, 156581, 1565831, B29C 6518, B29C 6526, B29C 6570
Patent
active
047971738
ABSTRACT:
The purpose of the process and the apparatus of the invention is to face weld extruded thermoplastic moldings the end faces of which lie in a plane and the end face edges of which are juxtaposed in a coplanar fashion. The end faces are pressed against a heatable and coolable plate in which grooves are formed corresponding to the cross-section of the end face. The floor of the grooves is heated up to or above the melting temperature of the plastic. The entry of the grooves is thermally insulated from the floor region and, if necessary, can be cooled. When the end faces are sunk into the grooves, the plastic is melted. The plastic melt, rising in the groove, is cooled until solid in the thermally insulated entry region. Following the welding in the floor region, the floor region is cooled below the melting temperature, and the welded bundle is separated from the plate.
REFERENCES:
patent: 3635639 (1972-01-01), Krebsbach et al.
patent: 3880695 (1975-04-01), Standley et al.
patent: 4085185 (1978-04-01), Adair
patent: 4174991 (1979-11-01), Reuben
patent: 4419067 (1983-12-01), Graafmann
Gross Heinz
Pohlmann Klaus E.
Schikowsky Harmut
Cashion Jr. Merrell C.
Rohm GMBH Chemische Fabrik
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