DISC-SHAPED OR CYLINDRICAL PART MADE OF SYNTHETIC RESIN AND ITS MANUFACTURING METHOD

申请公布号：JP2006001059(A)

申请号：JP20040177480

申请日期：2004.06.15

申请公布日期：2006.01.05

申请人：

SEIKO EPSON CORP

发明人：SATO HIDETOSHI;FURUYA MASACHIKA

分类号：B29C45/56;B29C45/26;B29L23/00

主分类号：B29C45/56

摘要：PROBLEM TO BE SOLVED: To obtain a disc-shaped or cylindrical part made of a synthetic resin of high precision. SOLUTION: A plurality of pin-shaped parts 12, arranged concentrically with the axial line o of parts at least at one side surface 11 of the disc-shaped or cylindrical part 10 made of the synthetic resin formed by injection compression molding in a state concentric to the axial line o of the part are compressed until the heads 12a of the pin-shaped parts 12 reach the same surface as one side surface 11 in a compression process at the time of injection compression molding or reach a position where projecting parts 11a are formed to one side surface 11 within the range of an errorΔL in the compression process. COPYRIGHT: (C)2006,JPO&NCIPI

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