Browse Prior Art Database

Paste Dispenser

IP.com Disclosure Number: IPCOM000049293D
Original Publication Date: 1982-Apr-01
Included in the Prior Art Database: 2005-Feb-09
Document File: 2 page(s) / 41K

Publishing Venue

IBM

Related People

Kofira, PP: AUTHOR

Abstract

Pastes can be dispensed in measured amounts free of air bubbles by using a plurality of blades to sever the deposited quantities from the supply.

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Paste Dispenser

Pastes can be dispensed in measured amounts free of air bubbles by using a plurality of blades to sever the deposited quantities from the supply.

Referring to the figure, spool 1 having nozzle 2 of the desired shape is fitted with four resilient blades 3. The blades are secured to ring 4 that can be reciprocated relative to the spool. Both spool and blades are enclosed by conical cap 5 secured to spool shoulder 6; the cap has nozzle 7 matching that of the spool.

To deposit measured paste quantities, the paste is supplied under pressure to the hollow spool at its top while ring 4 and blades 3 are retracted upwardly until the desired quantity has been extruded from the nozzle of cap 5. Thereafter, the ring and blades are lowered to the interior cap surface. This motion causes the blades to move across the nozzle of the cap and cleanly cut off the extruded paste from the spool supply.

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