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:
May. 28, 2019
Filed:
Apr. 25, 2016
Heatcraft Refrigeration Products Llc, Richardson, TX (US);
Carlos Ramirez, Stone Mountain, GA (US);
Steven Pfister, Dunwoody, GA (US);
Heatcraft Refrigeration Products LLC, Richardson, TX (US);
Abstract
A metallic tubular member having a closed end member for use in heating, ventilation, and air conditioning (HVAC) systems or refrigeration systems and method of manufacturing are presented. In one instance, the method includes providing a metallic tubular stock member having a first end and a second end, wherein the first end is open and closing the first end of the metallic tubular stock member to form a first closed circular member having an outside diameter D; forming a sealing aperture having an outside diameter Dthrough the first closed circular end, wherein Dis less than 5 percent of D; and applying a heat-based sealing process including a metallic flow into the sealing aperture. Other methods and systems are presented.