Claims
- 1. A thick batt of fibrous material manufactured by the process of
- (a) cutting a blanket of fibrous material into a plurality of individual pieces;
- (b) intermittently slitting each piece completely through the blanket to form two portions which are interconnected by discrete pillars of fibrous material;
- (c) applying an adhesive to at least one of said interconnected fibrous portions;
- (d) folding one of said interconnected fibrous portions onto the other of said fibrous portions, at least the innermost fibers in the folded pillars being uncut and functioning as a hinge to insure proper alignment of the two portions, each of said plurality of pillars being sufficiently narrow as to enable the outermost fibers in the folded pillars to tear so as not to crimp the thusly formed thick batt.
Parent Case Info
This is a Division of application Ser. No. 06/198,411, filed Oct. 20, 1980, now U.S. Pat. No. 4,342,610.
US Referenced Citations (7)
Foreign Referenced Citations (1)
Number |
Date |
Country |
958633 |
Dec 1974 |
CAX |
Divisions (1)
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Number |
Date |
Country |
Parent |
198411 |
Oct 1980 |
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