Paper tail nip threader

Details Paper tail nip threader Paper tail nip threader

1985-12-23

1988-08-16

Gilreath, Stanley N.

Advancing material of indeterminate length

Threading device

162286, 226 95, B65H 2014, G03B 156

Patent

active

047638222

ABSTRACT:
A paper tail nip threader for guiding a moving paper tail over and around a contoured surface. The apparatus is particularly useful for automatically threading a paper tail through a calender roll stack.
A guide surface is shaped to conform to a portion of the surface over which the paper is to be passed. An air stream is directed across the guide surface in the desired direction of movement of the paper. The air stream is thus forced to flow in a contoured path which corresponds to the surface over which the paper is to be passed. The moving air stream "catches" the paper tail and carries it between the guide surface and the surface over which the paper is to be passed.

REFERENCES:
patent: 3485429 (1969-12-01), Hutzenlaub
patent: 4039256 (1977-08-01), Teeple, Jr. et al.
patent: 4231272 (1980-11-01), Crouse
patent: 4308984 (1982-01-01), Vits
patent: 4513517 (1985-04-01), Vedenpaa
patent: 4593521 (1986-06-01), Stalder et al.
Product Manual of Western Tool & Mfg. Co. of Springfield, Ohio, pp. 2 and 5.

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