Method for mfg. liquid container

Application Number: 00105316
Application Date: 2000.03.31
Publication Number: 1277920
Publication Date: 2000.12.27
Priority Information: 1996/1/29 JP 012876/1996; 1996/4/8 JP 085251/1996; 1995/4/17 JP 090895/1995; 1995/6/8 JP 141947/1995
International: B29C49/02;B41J2/175
Applicant(s) Name: Canon K. K.
Inventor(s) Name: Sasaki Toshiaki;Sugama Sadayuki;Okada Hideo
Patent Agency Code: 11038
Patent Agent: ma jiangli
Abstract A liquid container includes a substantially prism-like outer wall provided with a substantial air vent portion and having a corner formed by 3 surfaces: an inner wall having outer surfaces equivalent or similar to inside surfaces of said outer wall and a corner corresponding the corner of said outer wall, said inner wall defining a liquid accommodating portion for containing liquid therein, said inner wall further having a liquid supply portion for supplying the liquid out of said liquid accommodating portion; wherein said inner wall has a thickness which decreases from a central portion of the surfaces of the prism-like shape to the corner, and said outer wall and and said inner wall are separable from each other.