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:
Mar. 12, 2019
Filed:
Nov. 04, 2014
Georg Fischer Piping Systems Ltd., Schaffhausen, CH;
You Shik Kwak, Busan, KR;
Georg Fischer Piping Systems Ltd., Schaffhausen, CH;
Abstract
Disclosed herein is a method for connecting first () and second () plastic pipes. The method includes: placing an end of the second plastic pipe () on a target portion of the first plastic pipe () that is intended to form a connection hole (), the end of the second plastic pipe () being provided with an arch-shaped heating element () made of conductive plastic material, electric connection terminals () disposed in the heating element () on opposite sides of the target portion, and a cover () covering at least an outer surface of the arch-shaped heating element (); supplying power to the electric connection terminals () to heat the arch-shaped heating element () so that the second plastic pipe () is fused to the first plastic pipe (); and forming the connection hole () in the cover (), the arch-shaped heating element () and the side surface of the first plastic pipe (), so that the first plastic pipe () and the second plastic pipe () communicate with each other.