Method of spiral winding strip material

Details Method of spiral winding strip material Method of spiral winding strip material

1980-07-14

1982-10-05

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 673R, 242158R, 242DIG2, B65H 1702

Patent

active

043524672

ABSTRACT:
Strip material coming from a letoff position is wound on a supply reel by rotating the reel while at the same time providing axial movement of the reel relative to the letoff. The axial movement is stopped for a predetermined period of time when the strip reaches an end portion of the reel and before the relative axial movement is reversed to form another layer on the reel to provide a supporting edge surface for other layers and reduce the induced curl in the strip material. Each successive layer of strip material may be of a shorter length to provide a pyramid configuration to maintain the position of the windings. This method may be controlled by a microprocessor programmed with a basic sequence which can be altered by the operator to set the number of base layers, the number of pyramid layers and the duration of the interval during which there is no relative axial movement of the shell and the letoff at the end of each pass on the supply reel.

REFERENCES:
patent: 2437725 (1948-03-01), Conner
patent: 2912187 (1959-11-01), Rau, Jr.
patent: 2998692 (1961-09-01), Garner
patent: 3042326 (1962-07-01), Lamb et al.
patent: 3312421 (1967-04-01), Kerr et al.
patent: 3963186 (1976-06-01), Van Den Aa
patent: 3997122 (1976-12-01), Helfand et al.
patent: 4093146 (1978-06-01), Haley
patent: 4170504 (1979-10-01), Riggs

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