ATE104837T1 - PISTON PUMP FOR DOSING FLOWABLE SUBSTANCES. - Google Patents

PISTON PUMP FOR DOSING FLOWABLE SUBSTANCES.

Info

Publication number
ATE104837T1
ATE104837T1 AT8989117225T AT89117225T ATE104837T1 AT E104837 T1 ATE104837 T1 AT E104837T1 AT 8989117225 T AT8989117225 T AT 8989117225T AT 89117225 T AT89117225 T AT 89117225T AT E104837 T1 ATE104837 T1 AT E104837T1
Authority
AT
Austria
Prior art keywords
piston
flowable substances
piston pump
valve element
pump
Prior art date
Application number
AT8989117225T
Other languages
German (de)
Inventor
Hermann Ophardt
Original Assignee
Ophardt Product Hermann Ophard
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ophardt Product Hermann Ophard filed Critical Ophardt Product Hermann Ophard
Application granted granted Critical
Publication of ATE104837T1 publication Critical patent/ATE104837T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0205—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by manually operable pumping apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Reciprocating Pumps (AREA)

Abstract

A piston pump for dosing flowable substances, for example disinfectant, liquid soaps or creams, has a permanently spring-loaded piston (1) which has a radial groove (2) in which an axially displaceable annular valve element (3) is arranged. In the rest position of the piston (1), the annular valve element (3) is pressed with the aid of the return spring (15) against a circumferential stop ring (6) arranged in the cylinder. By virtue of this arrangement, fluid-tight sealing of the pump is achieved, thus preventing afterdribble in an effective way. <IMAGE>
AT8989117225T 1988-09-17 1989-09-18 PISTON PUMP FOR DOSING FLOWABLE SUBSTANCES. ATE104837T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8811811U DE8811811U1 (en) 1988-09-17 1988-09-17
EP89117225A EP0361260B1 (en) 1988-09-17 1989-09-18 Piston pump for dosing flowable substances

Publications (1)

Publication Number Publication Date
ATE104837T1 true ATE104837T1 (en) 1994-05-15

Family

ID=6828052

Family Applications (1)

Application Number Title Priority Date Filing Date
AT8989117225T ATE104837T1 (en) 1988-09-17 1989-09-18 PISTON PUMP FOR DOSING FLOWABLE SUBSTANCES.

Country Status (3)

Country Link
EP (1) EP0361260B1 (en)
AT (1) ATE104837T1 (en)
DE (2) DE8811811U1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426662A1 (en) * 2002-12-06 2004-06-09 Boehringer Ingelheim International GmbH Piston pump
DE10341748B4 (en) * 2003-09-08 2017-01-26 Ophardt Product Kg Pump for emptying and hanging container
EP2441365B1 (en) 2010-10-12 2019-05-01 CC Clinic Consult GmbH Liquid feeding assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1201684B (en) * 1964-01-28 1965-09-23 Erich Pfeiffer K G Metallwaren Single-acting, hand-operated piston pump installed in a vessel
US3257961A (en) * 1964-04-23 1966-06-28 Holmes T J Co Pump
US3187960A (en) * 1964-05-08 1965-06-08 Sterling Drug Inc Non-metallic pump dispenser
US3319577A (en) * 1965-02-25 1967-05-16 Margrete L Stinnes Sliding seal and valve for reciprocating pump plunger
US3500760A (en) * 1968-04-22 1970-03-17 Holmes T J Co Pump for an atomizer or the like
DK125729B (en) * 1970-03-19 1973-04-30 Broen Armatur As Dosing device for liquids.
FR2082807A5 (en) * 1970-03-26 1971-12-10 Step Soc Tech Pulverisation
GB1527224A (en) * 1975-09-17 1978-10-04 Metal Box Co Ltd Device for producing a jet or spray of liquid
FR2606643A1 (en) * 1986-11-17 1988-05-20 Congio Gerard Syringe which is rendered inoperative after the first use

Also Published As

Publication number Publication date
EP0361260B1 (en) 1994-04-27
DE8811811U1 (en) 1988-10-27
DE58907565D1 (en) 1994-06-01
EP0361260A3 (en) 1990-08-01
EP0361260A2 (en) 1990-04-04

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Legal Events

Date Code Title Description
REN Ceased due to non-payment of the annual fee