Free-spinning embossers

Details Free-spinning embossers Free-spinning embossers

1980-10-06

1982-10-05

McIntosh, John P.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156251, 156515, D03D 4750

Patent

active

043527035

ABSTRACT:
Ribbons with embossed side edges are produced from a length of thermoplastic material by pulling the material through a cutting station having side-by-side circular knives mounted for rotation about an axis substantially parallel to the plane of the material at the cutting station and substantially perpendicular to the direction of travel of the material through the cutting station. Each circular knife has a peripheral cutting edge and the knives are drivingly rotated and heated while the material is being pulled through the cutting station to cause the cutting knives to cut the material into a series of ribbons. Heated circular embossing members mounted on opposite sides of each circular knife are freely rotatable relative to the associated circular knife so that they are rotated by contact with the material and emboss the side edges of the ribbons.

REFERENCES:
patent: 567948 (1896-09-01), Bracher
patent: 3367810 (1968-02-01), Wasserstein

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