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METHOD OF MANUFACTURING FORMED ARTICLE, SUPPORT MEMBER, AND FORMING APPARATUS

Abstract

The present invention relates to a method of manufacturing a formed article comprising forming an upper surface of a forming material comprised of a thermosoftening substance into a desired shape by positioning the forming material on a forming surface of a mold and heating the forming material to a temperature permitting deformation to bring an entire surface of a lower surface of the forming material into tight contact with the forming surface. The positioning of the forming material is conducted by supporting the forming material with a support member so that at least a portion of a lower surface rim portion of the forming material is in tight contact with the forming surface and a center portion of the lower surface of the forming material is separated from the forming surface, and the support with the support member is conducted so that a lower portion of a lateral surface of the forming material is separated from the support member and at least a portion of an upper edge portion of the lateral surface of the forming material is supported by the support member. According to the present invention, a formed article with a desired shape can be manufactured with high precision by hot sag forming method.

Filed on: 2006-11-20; Application Number: 12095648

Applicant(s)

Mikio Chisha
Masaaki Matsushima
Noriaki Taguchi

Agent

SUGHRUE MION PLLC