Claims
- 1. A photographic film cartridge comprising: a spool; a film wound into a roll on said spool with one end connected with said spool; and a cartridge case, said spool extending substantially coaxially with respect to said cartridge case and being carried at opposite end portions by opposite end walls of said cartridge case of rotation about a longitudinal axis of said spool, said cartridge case being provided with a film outlet through which an end of said film is fed out of said cartridge and a shielding material on inner surfaces of said film outlet for keeping the interior of said cartridge case shielded from external light wherein said cartridge includes means for enabling said film to be conveyed through said film outlet when said spool is rotated in the unwinding direction, said enabling means including a plurality of adhesive means including an adhesive substance for detachably, adhesively adhering a winding of the roll of film to an adjacent winding of the roll of film, said spool being capable of being rotated in the unwinding direction from outside of the cartridge thereby advancing said film.
- 2. A photographic film cartridge in accordance with claim 1 wherein a tip end of said film is housed in said cartridge case.
- 3. A photographic film cartridge in accordance with claim 1 wherein said adhesive means has an adhesive force greater than 0.07X kg but less than 15 kg, where X is a loop stiffness of said film.
- 4. A photographic film cartridge comprising: a spool; a film wound into a roll on said spool with one end connected with said spool; and a cartridge case, said spool extending substantially coaxially with respect to said cartridge case and being carried at opposite end portions by opposite end walls of said cartridge case of rotation about a longitudinal axis of said spool, said cartridge case being provided with a film outlet through which an end of said film is fed out of said cartridge and a shielding material on inner surfaces of said film outlet for keeping the interior of said cartridge case shielded from external light wherein said cartridge includes means for enabling said film to be conveyed through said film outlet when said spool is rotated in the unwinding direction, said enabling means including a plurality of adhesive means for detachably, adhesively adhering a winding of the roll of film to an adjacent winding of the roll of film, said spool being capable of being rotated in the unwinding direction from outside of the cartridge thereby advancing said film, wherein one of said adhesive means adheres an inner surface at the end of the Nth winding to the outer surface at the end of the (N+1th) winding, where N is a positive integer larger than 2, and wherein the outermost winding corresponds to N=1.
Priority Claims (3)
Number |
Date |
Country |
Kind |
1-21862 |
Jan 1989 |
JPX |
|
1-218172 |
Aug 1989 |
JPX |
|
2-5251 |
Jan 1990 |
JPX |
|
Parent Case Info
This is a continuation of Application Ser. No. 07/472,521 filed Jan. 30, 1990 now abn.
US Referenced Citations (5)
Continuations (1)
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Number |
Date |
Country |
Parent |
472521 |
Jan 1990 |
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