| 摘要 |
PURPOSE:To produce a resin hollow body enhanced in the airtight reliability of the bonding surfaces of a pair of split half bodies, good in various characteristics such as rigidity, heat resistance or oil resistance, generating no deformation and reduced in restriction from an aspect of a material. CONSTITUTION:Split half bodies 1,11 are molded from a synthetic resin material by primary molding and subsequently superposed one upon another to weld the mutual bonding surfaces 4,5, 14,15 of the half bodies and the outer peripheral parts of the bonding surfaces 4,5,14,15 are covered with a synthetic resin material (secondary molding). At the time of this secondary molding, flange parts are also molded so as to be unified with the cover members. |
