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:
Sep. 28, 1993
Filed:
May. 20, 1991
Applicant:
Inventors:
John McGrath, Castro Valley, CA (US);
Dennis Cope, Castro Valley, CA (US);
Scott Harris, Mill Valley, CA (US);
Charles Becker, San Francisco, CA (US);
Assignee:
M & D Balloons, Inc., Brisbane, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63H / ;
U.S. Cl.
CPC ...
446224 ; 13751215 ; 137846 ; 137844 ;
Abstract
A balloon includes a pair of overlying valve film strips disposed between a pair of overlying balloon films, which include neck and body portions. The valve film strips extend at an angle to a central axis of the neck portions, and valve seals formed in the valve film strips direct incoming gas from an inlet adjacent the neck, to an outlet between the body portions. Methods of assembling the balloons by forming the valve seams and neck seams without moving the balloon films or valve film strips is also disclosed.