Web aligning system

Details Web aligning system Web aligning system

1980-06-24

1982-06-22

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

226190, 226194, 226196, 242 76, 242199, 242210, G03B 104, G11B 1532

Patent

active

043358578

ABSTRACT:
A web guide system wherein misalignment of take-up and supply rolls relative to a reference surface may be compensated without tape distortion by a crown pulley and an adjacent concave web guide. The concave web guide is a fixed, flangeless post about which the web is partially wrapped. The web tends to be self-centering in the concave curved portion of the guide. Tape is fed from a roll to the concave guide and then to the crown pulley of minimum radius which is mounted for axial as well as rotational motion. Pulley axial motion promotes equal edge tension and completes web self-alignment. Final axial alignment without edge pressure is accomplished by fixed tape edge-guides in the region of the head.

REFERENCES:
patent: 2553898 (1951-05-01), Debrie
patent: 3393849 (1968-07-01), Hass
patent: 3474981 (1969-10-01), Polder
patent: 3491655 (1970-01-01), Brafford
patent: 3829040 (1974-08-01), Nelson
patent: 3974982 (1976-08-01), Stone
patent: 4084683 (1978-04-01), Moss
patent: 4172569 (1979-10-01), Newell
patent: 4191345 (1980-03-01), Sato et al.

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