Nozzle assembly for expelling a viscous mass
US5845853A · kind A · utility
Inventor
Key dates
| Filing date | Dec 2, 1996 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Dec 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.