Conveying mechanism for yarns in pile forming apparatus

Details Conveying mechanism for yarns in pile forming apparatus Conveying mechanism for yarns in pile forming apparatus

1977-07-07

1978-11-07

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

Indefinite or running length flexible strand, rod, tube, or...

28212, 156 72, D05C 1500

Patent

active

041244320

ABSTRACT:
A conveying mechanism for a non-woven carpet machine which includes a pair of conveyor belts along each edge of the backing material for pulling the backing material from its roll and pushing it toward a portion of the machine where bonding material is applied to the backing material. Hot air from the curing oven can be directed against the backing material after the bonding material is applied thereto to make the bonding material tacky so that when yarn is embedded in the bonding material it will not easily be pulled out.
A mechanism for advancing the backing material includes means for intermittently pulling the backing layers at a constant rate of speed through the well of the machine and oven and past the cutting mechanism, while a pin roller engages the backing material before the well. An adjustable torque controlled motor is connected to the pin roller so that a constant tension is maintained in the backing material.

REFERENCES:
patent: 3239396 (1966-03-01), Bohannon, Jr.
patent: 3387577 (1968-01-01), Spanel et al.
patent: 3641696 (1972-02-01), Fleischer
patent: 3701700 (1972-10-01), Von Der Heide
patent: 3790426 (1974-02-01), Bylund
patent: 3942742 (1976-03-01), Boucher

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