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US 6,742,255 B1Granted
Method of manufacturing curveable reinforcement
AssigneeHutchinson
InventorAlain Frappier
Life of this patent
Estimating the term…
Abstract
The invention provides a method of manufacturing curveable reinforcement presenting a pattern comprising solid portions and open portions and intended for use in making a reinforced sealing section member, the method comprising: a) extruding a bead or preform of thermoplastic material; and b) calendering the bead or preform of thermoplastic material to impart said pattern thereto.
Claims16
A method of manufacturing a curveable reinforcement of a type presenting a pattern comprising solid portions and open portions and intended for use in making a reinforced sealing section member, the method comprising:
- a) extruding a bead or preform of thermoplastic material;
- and
- b) calendering the extruded bead or preform of thermoplastic material with a calender wheel that is patterned with the negative of said pattern to impart to the extruded bead or preform said pattern with solid portions and open portions and wherein at least part of the open portions present remaining web portions of said the thermoplastic material that are thin relative to the solid portions and that form bridges between the solid portions.
Dependencies are inferred from the claim text.