Title:
WATERPROOFED FILM UNIT WITH LENS
Document Type and Number:
Japanese Patent JP3724766
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a waterproofed film unit with a lens excellent in the operability of a winding knob and a shutter button at low cost.
SOLUTION: A waterproof case 21 is constituted by three-color molding of an opaque layer 22 consisting of opaque rigid plastic, a transparent layer 23 consisting of transparent rigid plastic and an elastomer layer 24 consisting of flexible elastomer. The elastomer constituting the layer 24 is high polymer having elasticity like rubber. They are three-color molded by an inserting system, a rotating system or a movable side sliding system.
Inventors:
Kenji Negishi
Application Number:
JP34775497A
Publication Date:
December 07, 2005
Filing Date:
December 17, 1997
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
G03C3/00; G03B17/02; G03B17/04; G03B17/08; (IPC1-7): G03B17/08; G03B17/02; G03B17/04; G03C3/00
Domestic Patent References:
| JP2048646A | ||||
| JP7209719A | ||||
| JP11142933A | ||||
| JP843906A | ||||
| JP7168265A | ||||
| JP11142933A |
Attorney, Agent or Firm:
Kazunori Kobayashi