Method and apparatus for producing prefabricated...

Details Method and apparatus for producing prefabricated... Method and apparatus for producing prefabricated...

B - Operations, Transporting

29

C

B29C 44/00 (2006.01) B29C 44/46 (2006.01) E04B 2/86 (2006.01)

Patent

CA 2097788

A method for producing foam-filled stud walls includes introducing at least a portion of an unfilled stud wall between a backplate, with the sheathing against the backplate, and a dam having a compressible membrane draped over one face thereof and a removable sheet draped over the compressible membrane for presenting to the studs; moving the dam against the bottom portion of the open side of the stud wall; introducing foam between the backplate and the dam to fill the stud wall therebetween; moving the dam while unrolling the removable sheet and compressible membrane; introducing additional foam to fill a further portion of the stud wall; repeating the two preceding steps on to completion of filling; moving the dam away from the stud wall; and advancing the filled portion of the stud wall from between the backplate and dam.

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