| 摘要 |
An insert for positioning between the facing sheets of laminated doors to define lock installation openings and to prevent foamed-in-situ filler material from flowing into lock installation openings during foaming of the door cavity. The insert includes a door edge plate which occupies a portion of the edge of the door, and a receptacle which extends inwardly from the edge plate to locations between the facing sheets. The edge plate defines a plurality of openings, each of a size and shape large enough to accommodate a standard-sized lock bolt assembly. The openings are covered by membranes, any one of which can be removed to permit the receptacle to be attached to the edge plate. The receptacle defines an opening of sufficient size to accommodate standard-sized, door-knob-type lock assembly. An adapter may be installed within the opening of the receptacle to accommodate differently sized lock hardware. All of the insert components can be formed inexpensively using plastics injection-molding techniques. The components of the insert may be assembled in such a way as to accommodate a variety of standard-sized lock mechanisms.
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