Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1991-11-14
1993-08-10
Thibodeau, Paul J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
4284237, 428694SL, 428900, 428909, 360136, G11B 500
Patent
active
052347621
ABSTRACT:
A duplicating, printing or recording surface is produced by attaching a strip (10) of magnetic or other web material to a support such as a drum (20) or flat support element provided with a layer (22) of low durometer elastomer, the strip of material and the elastomeric material being mutually adherent. With the strip of material wrapped circumferentially around the drum, a sharp knife is used to cut the magnetic material and form a precise butt joint (35,36), diagonal or straight, with a minimal gap. The strip of material forms a secure bond with the low durometer elastomeric layer because of the inherent mutual adherence between the two materials, without the need for an intervening adhesive material. A compliant magnetic drum of this type has a low radial stiffness and a high circumferential stiffness which are well suited for a master recording drum in an anhysteretic duplicating apparatus.
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Eastman Kodak Company
Resan Stevan A.
Snee, III Charles E.
Thibodeau Paul J.
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