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, 1976
Filed:
Apr. 14, 1975
Paul S Citrin, Danbury, CT (US);
Indicon Inc., Danbury, CT (US);
Abstract
A material dispenser using a deformable tube through which the flow of material is controlled is described. The deformable tube is selectively mounted to expose a pinch region to a pressure element having a predetermined shape. The deformable tube is selectively supported to enable precise control over tube constriction for accurate material flow control. A micrometer stop is conveniently mounted to regulate the size of the tube restriction. Automatic and repeated actuation of the dispenser is obtained by locating the pressure element as a piston in a cylinder. Various deformable tube embodiments are described to reduce tube wall stresses for longer operating life and enable both positive closure and opening of the deformable tube.