PRODUCTION OF PLASTIC BOTTLE

摘要

PURPOSE:To surely join an accessory such as a grip and a base cup to a bottle main body by the simple constitution of an equipment. CONSTITUTION:In the case of forming a grip by injection to a bottle main body 10 and simultaneously fitting the grip thereto, a backing mold 33 having recessed parts 34 in the abutting parts of the bottle main body and the grip is arranged to the inside of the bottle main body. In the case of forming the grip by injection, the wall face of the bottle main body is pushed into the recessed part 34. Both the bottle main body and the grip are integrated by welding and also the irregularities are engaged.