Press apparatus and methods for fusing overlapped thermoplastic

Details Press apparatus and methods for fusing overlapped thermoplastic Press apparatus and methods for fusing overlapped thermoplastic

1996-12-23

1998-03-10

Sells, James

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156311, 1565883, B30B 502

Patent

active

057257116

ABSTRACT:
Press-type apparatus for thermally bonding thermoplastic sheet material workpieces is provided with a pair of opposed platen assemblies which each include an inflatable set of compliant diaphragm members, a pair of opposed heat sources which may be brought into and retracted from contact with the diaphragm members, and a source of pressurized fluid for inflating the diaphragm sets and for cooling the heated workpieces. The method for operating the press-type apparatus basically involves both heating and cooling the assembled workpieces while they are simultaneously being retained in a condition of being clamped by the inflatable sets of the diaphragm members.

REFERENCES:
patent: 4529472 (1985-07-01), Hsu
patent: 5261997 (1993-11-01), Inselmann

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