3912565 is referenced by 69 patents and cites 8 patents.

Method of preparing a shirred, elastic, flexible article by attaching to a sheet material a thin layer of flexible polyurethane material which is heat shrinkable in only one direction thereof, and thereafter heating the layer of polyurethane material to effect shrinkage thereof and shirring of the sheet material which is attached thereto.

Title
Method of preparing shirred, elastic, flexible articles
Application Number
05/220,147
Publication Number
3912565
Application Date
January 24, 1972
Publication Date
October 14, 1975
Inventor
Gillespie Robert F
Koch Walter T
Assignee
FMC Corporation
IPC
B29C 27/00
B29C 65/08
B29C 61/02
B29C 65/00
B29C 61/00
A41D 27/00
A41D 27/24
A41B 09/00
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