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:
Jan. 06, 2004
Filed:
Nov. 01, 2002
Stefano Santagiuliana, Caldogno, IT;
Taplast SpA, Dueville, IT;
Abstract
The invention relates to a delivery pump to be coupled to the neck of a container filled with a liquid to be delivered comprising: a hollow body defining a suction and compression chamber for the liquid having a suction duct for the liquid, a tight piston sliding in the hollow body, a delivery duct for the liquid communicating with the suction and compression chamber; calve mechanism adapted to regulate inflow and outflow of liquid into and from the suction and compression chamber, elastic mechanism arranged between the tight piston and the hollow body. The delivery pump comprises first constraint mechanism fixed to the hollow body and selectively cooperating with second constraint means fixed to the tight piston to define the stroke of said tight piston. The stroke can be varied according to the mutual position of the first and second constraint mechanism.