Methods and apparatus for locking the facing edges of carpet bac

Details Methods and apparatus for locking the facing edges of carpet bac Methods and apparatus for locking the facing edges of carpet bac

1984-07-02

1985-08-20

Wityshyn, Michael

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563046, 1563096, 156500, 156505, 156574, 156579, 219245, B31F 506, B65H 6902, D06F 7508

Patent

active

045362440

ABSTRACT:
A carpet seaming iron of the kind used for making face seams with hot melt adhesive tapes forms a raised center bead in the molten adhesive produced behind the iron. The center bead is of a sufficient height and stiffness to coat the side edges of the carpet backings with hot melt adhesive as the undersides of the carpet backings are lowered onto the layer of molten adhesive. The side edges of the backings are locked directly together through the adhesive interposed between the side edges.

REFERENCES:
patent: 3523176 (1970-08-01), Hill
patent: 3533876 (1970-10-01), Burgess
patent: 3927298 (1975-12-01), Prater

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