Apparatus for producing suitcase frames

Details Apparatus for producing suitcase frames Apparatus for producing suitcase frames

1974-07-11

1976-03-09

Drummond, Douglas J.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156486, B65H 312

Patent

active

039430308

ABSTRACT:
In an apparatus comprising a non-circular rotary mandrel on which a strip of paper or a similar sheet material is wound to form a multilayer tubular article, the material entering the mandrel is subjected to pressure thereagainst by means of a roller unit including at least two pairs of rollers. Both pairs of rollers are independently and pivotably suspended in a common carrier so that all of the rollers may continuously and independently apply a surface pressure to the material being wound onto the mandrel.

REFERENCES:
patent: 1278898 (1918-09-01), Fernald
patent: 2218027 (1940-10-01), Hatch
patent: 2388541 (1945-11-01), Henderson
patent: 2495167 (1950-01-01), Horstman et al.
patent: 3076493 (1963-02-01), Berg
patent: 3190783 (1965-06-01), Tarnok

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