Method of forming an improved wiper blade

Details Method of forming an improved wiper blade Method of forming an improved wiper blade

B - Operations, Transporting

29

C

18/799

B29C 47/00 (2006.01) B29C 47/12 (2006.01) B29C 47/70 (2006.01) B29C 69/00 (2006.01) B60S 1/38 (2006.01)

Patent

CA 2022047

ABSTRACT OF THE DISCLOSURE A method is shown for forming a wiper blade in which a continuous length of elastomer is extruded through a die having a die opening shaped to produce a pair of wiper blades joined in edge-to-edge relation. The elastomer is preformed to produce a weakened mid- section and then cured. The cured elastomer is then separated into two separate lengths of wiper blade by pulling the length of continuous elastomer along the weakened mid-section.

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