Method of rotationally molding plastic articles

Details Method of rotationally molding plastic articles Method of rotationally molding plastic articles

B - Operations, Transporting

29

C

18/927

B29C 5/04 (1980.01)

Patent

CA 1072282

Abstract of the Disclosure A method of rotationally molding blends of polymers of good flow to produce articles of high impact resistance, high stress crack resistance, smooth surfaces, and the absence of ex- cessive warpage in which the blend is placed in a rotational mold which is then biaxially rotated about two perpendicular axes while heating the mold and contents and then cooling the mold and contents to about room temperature while maintaining this biaxial rotation followed by removing the resulting article. The disclosure also includes the rotationally molded shaped structures resulting from this method with these structures having high impact resistance, high stress crack resistance, smooth surface and the absence of excessive warpage.

227429

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