Door construction

Details Door construction Door construction

1974-07-31

1976-04-13

Kannan, Philip C.

Movable or removable closures

Panel with closure feature

52616, E06B 316

Patent

active

039495264

ABSTRACT:
An insulated panel such as a door panel assembly comprising a frame which consists of a plurality of hollow plastic moulded elements having a panel mounted in the frame. The elements of the frame are secured with respect to one another by a body of foamed plastic material which fills the hollow chambers which are formed in the plastic moulding elements and extends continuously between the abutting ends of the plastic moulding elements.

REFERENCES:
patent: 2703159 (1955-03-01), Van Fleet
patent: 3075255 (1963-01-01), Taubman
patent: 3334464 (1967-08-01), Charles
patent: 3348337 (1967-10-01), Grasso
patent: 3473988 (1969-10-01), Rullier et al.
patent: 3673735 (1972-07-01), Winsler et al.
patent: 3802127 (1974-04-01), Silvernail
patent: 3834101 (1974-09-01), Wilder et al.

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