Method and apparatus for tensioning composite material

Details Method and apparatus for tensioning composite material Method and apparatus for tensioning composite material

2011-01-04

2011-01-04

Del Sole, Joseph S (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

C264S291000, C264S320000

Reexamination Certificate

active

07862767

ABSTRACT:
An apparatus and method for tensioning material (12) over a mold (14), such as a cure tool, comprises a tensioning fork (10) consisting of two substantially parallel tapered legs (18,20) between which material (12) is disposed. A tensioning fork (10) is positioned at a first side edge (42) and proximate a first end edge (38) of the material (12). A first leg (18) of the tensioning fork (10) is disposed under the material (12), and a second leg (20) of the tensioning fork (10) is disposed over the material (12). When force is applied to the second leg (20), it pivots about the first leg (18) along the length of the legs, remaining parallel to the first leg (18), thereby pressing a portion of the material (12) against the mold (14).

REFERENCES:
patent: 6814916 (2004-11-01), Willden et al.
patent: 2008/0283177 (2008-11-01), Glain et al.

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