Machine for applying roofing material

Details Machine for applying roofing material Machine for applying roofing material

1979-10-22

1981-03-31

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With gas, vapor, or flame contact means for work

156 82, 156157, 156499, 156574, 156578, 156579, B32B 3126, B65H 6908

Patent

active

042591422

ABSTRACT:
A machine for sealing together adjacent overlying edges of sheets of roofing material having facing bitumen compositions, the machine having a leading shoe for separating the overlying edges, heating jets or burners directed into the opening for softening the facing layers of bitumen material, a trailing guide shoe for guiding the upper sheet into contact with the lower sheet, a second set of heating jets or burners for heating the so joined edge and an adjacent roller for pressing the sheets together while providing uniform flow of the plastic heated bitumen.

REFERENCES:
patent: 2084625 (1937-06-01), Stebbins et al.
patent: 2664938 (1954-01-01), Torr
patent: 3097986 (1963-07-01), Kauer
patent: 3099582 (1963-07-01), Onystad et al.
patent: 4087309 (1978-05-01), Lang

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