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:
Nov. 16, 1999
Filed:
Nov. 13, 1995
Applicant:
Inventors:
Klaus Thanisch, Bullay, DE;
Klaus Natersky, Peterswald-Loffelscheid, DE;
Assignee:
Spraysol GmbH, Sobernheim, DE;
Primary Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222340 ; 222382 ; 2223831 ;
Abstract
A trigger pump dispenser is made entirely from thermoplastic resin materials. It has a trigger (17) pivotally attached to the body (13) at its top end. The trigger is attached by a living hinge to a piston 16 movable within a pump cylinder (40), and is biased by a spring (18) to the retracted position shown. The spring is generally L-shaped and anchored to the body by its bottom leg so as to straddle the pump cylinder. A unitary valve member (15) located at the back of the pump cylinder provides one-way valves both for product dispensing and for product recharging into the pump chamber.