The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 05, 2019
Filed:
Jan. 18, 2018
Dong Hee Industrial Co., Ltd., Ulsan, KR;
Nan Woong Choi, Asan-si, KR;
Se Jun Kim, Asan-si, KR;
Seung Ho Lee, Asan-si, KR;
Myeong Hoon Baek, Cheonan-si, KR;
Dong Hee Industrial Co., Ltd., Ulsan, KR;
Abstract
Disclosed is a heat welding apparatus for combining a plastic fuel tank and plastic parts, and a method of combining the plastic fuel tank and the plastic parts using the apparatus. When a plastic part is heat-welded onto an inner surface of the plastic fuel tank, a melting unit simultaneously heats and melts a welding portion of the inner surface of the plastic fuel tank, to which the plastic part is joined, and a welding surface of the plastic part inside the plastic fuel tank, and then the welding surface of the plastic part is heat-welded to the welding portion of the plastic fuel tank after melting without delay.