| 摘要 |
446,323. Paper tubes. OSWEGO FALLS CORPORATION, Broadway, Fulton, New York, U.S.A. Sept. 16, 1935, No. 25686. Convention date, Sept. 29, 1934. [Class 99 (ii)] [See also Group XVII] The tubular shell 1 of a paper &c. container for ice-cream &c. is provided with fold lines 7 defining a panel which can be folded inwardly to collapse the shell to tapered form for nesting a stack of shells. One hinge line may be vertical, and both lines may be single or double ribbed, the ribs projecting inwardly or outwardly. A central hinge 7d may be provided. The shell is made from spirally wound and adhesively united ribbons of material.
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