Method and apparatus for regulating webs transported in a reel-t

Details Method and apparatus for regulating webs transported in a reel-t Method and apparatus for regulating webs transported in a reel-t

1981-12-18

1983-09-27

Christian, Leonard D.

Winding, tensioning, or guiding

Strand tensioning device

Tortuous course

226 97, G11B 1506, G11B 1558, G11B 2312

Patent

active

044064250

ABSTRACT:
A web transport, such as a reel-to-reel magnetic recorder, includes a web regulator between one reel and a transducing station. In a constant tension web transport, web regulator ensures a relatively constant length of web between the transducing station and the one reel. In a preferred form the regulator is a vacuum chamber having a narrow web receiving opening and a wider cavity such that as the web forms a bight in the chamber into said wider cavity, air flows past the web to regulate bight size in accordance with web tension tending to maintain a constant web length.

REFERENCES:
patent: 3866855 (1975-02-01), Bryer
patent: 3890641 (1975-06-01), Mo et al.

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