Insertion of accurately positioned core tubes in winding machine

Details Insertion of accurately positioned core tubes in winding machine Insertion of accurately positioned core tubes in winding machine

1980-12-04

1983-01-25

Simmons, David A.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156187, 156457, 156458, 242 56R, 242 66, B65C 312

Patent

active

043701930

ABSTRACT:
A process for insertion of an accurately positioned second core tube provided along a generatrix with means for adhering the head end of a web into the wedge formed by two rotatable support rolls of a winding machine, and for ejection of a first tube supported by said support rolls and wound with said web comprising ejecting the first wound tube from the wedge to a position where it no longer contacts both support rolls, while ejecting the first tube displacing a second tube carrying means for adhesion to the web to a position adjacent said wedge, severing the web when the first tube reaches inoperative position, and discharging the second tube into the wedge so as to be rotated by the support rolls, the adhesion means on the second tube causing it to adhere the severed web thereto for winding on the rotating second roll. An apparatus is provided therefor with the ejecting means advantageously in the form of a bar having a forward angled end and operatively associated with clamp jaws which hold the second tube and release it at the appropriate stage.

REFERENCES:
patent: 3345010 (1967-10-01), Egan
patent: 3505150 (1970-04-01), Andersson
patent: 3918654 (1975-11-01), Okubo et al.
patent: 4153493 (1979-05-01), Hollander et al.

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