Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1980-12-03
1984-06-12
Chistian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
206389, G03B 104, G11B 1532
Patent
active
044536836
ABSTRACT:
A cassette system for any type of recording medium in strip or tape form, such as films and magnetic tapes, consists essentially of a housing whose external dimensions match those of a conventional type of cassette, and a protective holder for the recording medium which is wound into at least one roll. The housing and the holder are separate or separable members and can be fitted together. Both are provided with means for inserting the holder into the housing in the correct position, and for introducing the recording medium into the transport apparatus. The housing is provided with opening and closing means. The holder can be designed to be separable from the roll of recording medium. Preferably, the housing is a precision-made article and the holder a low-cost article.
REFERENCES:
patent: 2867389 (1959-01-01), Viets
patent: 3001440 (1961-09-01), Foster
patent: 3796394 (1974-03-01), Souza
patent: 3800322 (1974-03-01), Schoettle et al.
patent: 4093151 (1978-06-01), Karsh
patent: 4235395 (1980-11-01), Wardenaar et al.
Andriessen Wilhelmus
Koester Eberhard
Kreimes Norbert
Pfefferkorn Dietmar
Reimer Karl-Juergen
BASF - Aktiengesellschaft
Chistian Leonard D.
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