Cylindrical substrate for electrophotography

Details Cylindrical substrate for electrophotography Cylindrical substrate for electrophotography

1997-06-09

1999-10-19

Robinson, Ellis

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 347, 428 357, 264105, 264104, 430 62, 430 69, 492 59, B29D 2200, C04B 3500, G03G 1504, B25F 502

Patent

active

059686227

ABSTRACT:
Cylindrical tubular substrates for an electrophotographic conductor can be made with different lengths from an injection-molded plastic cylindrical mother tube. The length of the mother tube is sufficient for the greatest desired length. The mother tube has a slanting inner surface which facilitates removal of the tube from the molding die, and non-slanting inner end surfaces which can be stepped. The desired length is obtained by cutting the mother tube across one of the steps. The resulting non-slanting inner end surface of the substrate provides a spigot joint for tightly receiving a flange.

REFERENCES:
patent: 4440295 (1984-04-01), Blackwood-Murray et al.
patent: 4526151 (1985-07-01), Tateishi et al.
patent: 4895784 (1990-01-01), Shirai
patent: 4963404 (1990-10-01), Jenkins
patent: 5652077 (1997-07-01), Obinata

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