Method and apparatus for contact winding

Details Method and apparatus for contact winding Method and apparatus for contact winding

1992-10-29

1994-02-22

Stodola, Daniel P.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 65, B65H 1926, B65H 1816

Patent

active

052880338

ABSTRACT:
A lay-on roll exerts a nip force against a roll of film winding upon a core. The lay-on roll is rotatably supported by a carriage capable of moving away from the center of the core as the wound roll of film increases in diameter. The carriage is connected to a linear bearing attached to a piston/cylinder assembly for continuously moving the carriage along a straight path colinear with a line connecting the center of the lay-on roll and the center of the core while maintaining a substantially constant nip force.

REFERENCES:
patent: 2620993 (1952-12-01), Jeffrey, Jr.
patent: 3104072 (1963-09-01), Dover et al.
patent: 3329368 (1967-07-01), Mastriani
patent: 3365992 (1968-01-01), Dreher
patent: 3386672 (1968-06-01), Lamon et al.
patent: 3556424 (1971-01-01), Catallo et al.
patent: 3604648 (1971-09-01), Schmidt
patent: 3734423 (1973-05-01), Kataoka
patent: 3805652 (1974-04-01), LaLonde et al.
patent: 4637567 (1987-01-01), Tanaka et al.
patent: 4850545 (1989-07-01), Ballard et al.
patent: 4964585 (1990-10-01), Negrussi

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