Apparatus for manufacturing spiral tubes

Details Apparatus for manufacturing spiral tubes Apparatus for manufacturing spiral tubes

1973-11-08

1976-02-03

Lake, Roy

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

93 77R, 156432, B31C 300

Patent

active

039358011

ABSTRACT:
Improved apparatus for manufacturing spiral tubes wherein two portions of a spiral tube in the process of covering a mandrel are wound and pressed in opposite directions alternately by means of two belts which are so arranged that they satisfactorily wind and press the spiral tube without causing the mandrel to lean in any direction, and that the two portions wound and pressed by the two belts do not overlap one even when the two portions shift naturally, and a cutting device is so arranged that it cuts the spiral tube easily and smoothly.

REFERENCES:
patent: 1941993 (1934-01-01), Minton
patent: 3150574 (1964-09-01), Glasby
patent: 3354800 (1967-11-01), Sato
patent: 3460445 (1969-08-01), Ried
patent: 3538817 (1970-11-01), Brown

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