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. 04, 1999
Filed:
Jan. 19, 1995
Applicant:
Inventors:
Mark A Smith, Westerville, OH (US);
M Stephen Tschanen, Columbus, OH (US);
Assignee:
Liqui-Box Corporation, Worthington, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222 83 ; 222549 ; 222554 ;
Abstract
An improved bulk valve for tapping bulk material such as chemicals or foodstuffs is provided. The bulk valve operates with a piston-like action, in which an inner valve cylinder assembly is drawn open to open a path to a discharge port, or driven shut with a locking plunger to create a firm seal. Serrated puncturing teeth are provided to pierce the membrane seal of the bulk container, and light weight and low cost are achieved.