Magnetic recording medium wind-up method

Details Magnetic recording medium wind-up method Magnetic recording medium wind-up method

Filed on

1990-01-17

Date issued

1991-05-28

Examiner

Jillions, John M.

Patent Class

Winding, tensioning, or guiding

SubClass

Coil holder or support

SubSubClass

Spool or core

Other Related Categories

B65H 1826

Type

Patent

Status

active

Patent number

050186795

Description

ABSTRACT:
A magnetic recording medium wind-up method for winding up a long strip-like magnetic recording medium into a coil around a core comprises the steps of pressing the wound-up portion of the magnetic recording medium toward the core with a predetermined pressure while the magnetic recording medium is being wound up around the core. A predetermined length of the magnetic recording medium is wetted, which length will be wound up around the core immediately before the core is fully loaded with the magnetic recording medium, immediately before the predetermined length of the magnetic recording medium is wound up.

REFERENCES:
patent: 3096948 (1963-07-01), Conrad
patent: 3393105 (1968-07-01), Tellier
patent: 3853279 (1974-12-01), Gerstein
patent: 4422588 (1983-12-01), Nowisch
patent: 4572451 (1986-02-01), Ikeda et al.
patent: 4601441 (1986-07-01), Oinonen et al.

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