Patent · US Expired

Nozzle assembly for expelling a viscous mass

US5845853A · kind A · utility

9Cited by
7References
16Claims
0Family size

Inventor

Key dates

Filing dateDec 2, 1996
Grant dateDec 8, 1998
Priority date
Expiry dateDec 2, 2016

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB29C45/2806
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A nozzle assembly for expelling a viscous mass, comprising a nozzle having an open inlet end for receiving a viscous mass, an open outlet end for expelling the viscous mass, and a bore extending therethrough for communicating the viscous mass from the open inlet end to the open outlet end, a valve pin, extending through the bore of the nozzle, having a valve tip movable between an extended position for closing the open outlet end, and a retracted position for opening the open outlet end, a sleeve carried within the bore of the nozzle for guiding the valve pin between the extended position and the retracted position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.