Method for making foam filled doors and apparatus therefor

Details Method for making foam filled doors and apparatus therefor Method for making foam filled doors and apparatus therefor

E - Fixed Constructions

06

B

E06B 3/70 (2006.01) B29C 44/12 (2006.01) E06B 3/267 (2006.01) E06B 3/58 (2006.01) E06B 3/82 (2006.01)

Patent

CA 2277445

A method for the assembly of doors having a pair of skins and a core of synthetic resin forms a first door element including forming a first skin and a peripheral wall to provide an upwardly opening cavity into which a foamable synthetic resin formulation is introduced. A second skin is then assembled over the cavity, and the resultant door assembly is passed through an elongated heating zone while controlling the thickness dimension of the door assembly to expand and cure the resin formulation in the cavity into a cellular resin insulating core and to bond the skins and core. The several steps are conducted seriatim at stations along a conveyor assembly.

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