3775810 is referenced by 6 patents and cites 7 patents.

A securing collar for use in securing the four corners of a 'sheet' of tobacco to produce a bundle comprising an annular frustro-conical shaped body with corrugated walls which surrounds the four corners of the 'sheet' and a severing tab to permit easy removal of the collar.

Title
Expandable collar
Application Number
05/268,323
Publication Number
3775810
Application Date
July 3, 1972
Publication Date
December 4, 1973
Inventor
Rothrock Burton J
Cartee Thomas E
Michal David H
Smith Jr Jay G
Assignee
R J Reynolds Tobacco Company
IPC
B65d 77/10
B65D 75/18
B65D 75/04
B65D 33/16
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