Method and apparatus for manufacturing cylindrical tubes

Details Method and apparatus for manufacturing cylindrical tubes Method and apparatus for manufacturing cylindrical tubes

1976-11-15

1978-05-02

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156195, 156429, 156498, B65H 8100

Patent

active

040872998

ABSTRACT:
The present invention relates to a method of manufacturing from paper and other similar fibrous materials cylindrical tubes comprising an inner, dense, liquid-tight plastics foil layer, in which method at least one paper web and a plastics foil web are wound helically together on a rotating mandril with the plastics foil web located against the forming surface of the mandril, and in which the plastics foil web is bonded to the paper web by means of an adhesive. The invention also relates to an apparatus for carrying out the method.

REFERENCES:
patent: 3159515 (1964-12-01), Dunlap
patent: 3338270 (1967-08-01), Denenberg
patent: 3406614 (1968-10-01), Martin et al.
patent: 3457130 (1969-07-01), Morrison
patent: 3520463 (1970-07-01), Ahlemeter
patent: 3563826 (1971-02-01), O'Neal
patent: 3846202 (1974-11-01), Clarke

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