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Manufacture of bottles with push-type closures
The name of the patented bottle with push-type closure Patent applicant Applicant Charles Jonathan Britton Principal Applicant Address Gloucestershire Inventor Charles Jonathan Britten Application (Patent) No. 03814474.3 Date of Application 2003.05. 06 Certification Date Approval Notice No. 1662359 Audit Notice Date 2005.08.31 Manual CD No. D0535 Main Classification No. B29C49/06 Classification No. B29C49/06; B29C49/42 Division Original Application No. Priority Item 2002.5.7 GB 0210398.4 Abstract A Method, apparatus and bottle and bottle closures for bottles closed by push-type closures. The bottle (72) is manufactured as a multi-component assembly. The preform (not shown) of the bottle formed by the injection molding process has protrusions on its upward and outward surfaces and is then transported to a blow molding machine where it is first heated and then inserted through a blowing rod ( 62) Stretching through the neck of the preform along the longitudinal axis. In this operation, the top surface of the preform is bent downward so that the projections formed on its upper surface now extend laterally into the interior of the preform. The stretched preform is blow molded into the shape of a blow mold to form a bottle (72). The closure is formed by injection molding and the closure is held on the bottle by laterally extending projections. Sovereign Item 1. A method of manufacturing a bottle having a bottle body and an edge forming a bottle mouth, the bottle mouth being capable of being closed by a push-type closure cover, the bottle being made of a material that is easily deformed by heat, the method comprising the steps of: An injection molding apparatus for injection molding a preform, the preform having a closed tube shape having an edge at a mouth thereof, the edge including an outwardly substantially radial flange having an upper surface and a lower surface, and the preform The flange is formed at the same time with an upright first protrusion from the upper surface of the flange toward its radially inward end, and a second radially outward protrusion formed on the outside of the flange, the tube overhanging the said Radially inward edge of the flange; the preform is placed in a pressure forming machine at elevated temperature, the preform being at least partially positioned with the second protrusion; the flange and the first protrusion are opposed to each other; The second protrusion is moved downwardly and outwardly so that the upper surface of the flange is inwardly directed at that time, and the first protrusion protrudes inwardly into the mouth of the bottle, so that the cover can be pushed and installed on the edge of the bottle. The first inward projection and the second outward projection Fit; and expand the tube under pressure to form the bottle. International Application PCT/GB2003/001911 2003.5.6 International Publication WO2003/095170 English 2003.11.20 Entering Country Date Patent Agency Yongxin Patent and Trademark Agency Co., Ltd. Agency Address Agent Liu Xingpeng