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:
Jun. 08, 1993
Filed:
Dec. 09, 1991
Walter M Franklin, III, Valencia, CA (US);
Matthew G Swain, La Crescenta, CA (US);
Bryan W Kreimendahl, Van Nuys, CA (US);
Lockheed Corporation, Calabasas, CA (US);
Abstract
The invention is a process for forming a hollow tubular member with an integral attachment end fitting. In detail, the method comprising the steps of: providing a first hollow tubular member made of a composite material; providing a support member adapted to fit within the first tubular member; installing the support member within the first tubular member and joining thereto; providing a second hollow tubular member made of composite material; installing the second tubular member within the end of the first tubular member such that it abuts the support member; providing an inflatable bladder having an inflation tube attached thereto; installing the inflatable bladder within the first tubular member such that it abuts the support member and the inflation tube extends out the end; pressurizing the bladder causing it to expand and apply pressure to the first and second tubular members; heating a portion of both the first and second tubular members to forming temperatures; and forming a portion of first and second tubular members into a solid flat rectangular cross-sectional shaped attachment end fitting.