Patent · US Active

Process cartridge unit

US9002233B2 · kind B2 · utility

2Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 17, 2013
Grant dateApr 7, 2015
Priority date
Expiry dateOct 17, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G21/181
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A unit includes an injection path provided on a frame member and through which a molten resin flows when a seal portion is formed through injection molding, an injection port provided at one end side of the injection path in an injection direction in which the molten resin flows through the injection path and through which the molten resin is injected into the frame member, and a discharge port which is provided at another end side of the injection path in the injection direction and through which the molten resin having passed through the injection path is discharged to a seal forming portion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.