GB2299392B - Piston for a dispensing apparatus, titrating apparatus or the like - Google Patents

Piston for a dispensing apparatus, titrating apparatus or the like

Info

Publication number
GB2299392B
GB2299392B GB9606888A GB9606888A GB2299392B GB 2299392 B GB2299392 B GB 2299392B GB 9606888 A GB9606888 A GB 9606888A GB 9606888 A GB9606888 A GB 9606888A GB 2299392 B GB2299392 B GB 2299392B
Authority
GB
United Kingdom
Prior art keywords
piston
titrating
dispensing
dispensing apparatus
titrating apparatus
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB9606888A
Other versions
GB2299392A (en
GB9606888D0 (en
Inventor
Adolf A M Hirschmann
Reinhard Frey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HIRSCHMANN LABORGERAETE GmbH
Original Assignee
HIRSCHMANN LABORGERAETE GmbH
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 HIRSCHMANN LABORGERAETE GmbH filed Critical HIRSCHMANN LABORGERAETE GmbH
Publication of GB9606888D0 publication Critical patent/GB9606888D0/en
Publication of GB2299392A publication Critical patent/GB2299392A/en
Application granted granted Critical
Publication of GB2299392B publication Critical patent/GB2299392B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B67D7/0227—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 an ejection plunger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/021—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids
    • B01L3/0217—Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids of the plunger pump type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J1/00—Pistons; Trunk pistons; Plungers
    • F16J1/005—Pistons; Trunk pistons; Plungers obtained by assembling several pieces
    • F16J1/006—Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials
    • F16J1/008—Pistons; Trunk pistons; Plungers obtained by assembling several pieces of different materials with sealing lips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/04—PTFE [PolyTetraFluorEthylene]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Coating Apparatus (AREA)
GB9606888A 1995-03-31 1996-04-01 Piston for a dispensing apparatus, titrating apparatus or the like Expired - Lifetime GB2299392B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1995112162 DE19512162C1 (en) 1995-03-31 1995-03-31 Piston for a dosing device, titration device or the like

Publications (3)

Publication Number Publication Date
GB9606888D0 GB9606888D0 (en) 1996-06-05
GB2299392A GB2299392A (en) 1996-10-02
GB2299392B true GB2299392B (en) 1998-09-09

Family

ID=7758476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9606888A Expired - Lifetime GB2299392B (en) 1995-03-31 1996-04-01 Piston for a dispensing apparatus, titrating apparatus or the like

Country Status (3)

Country Link
CH (1) CH690735A5 (en)
DE (1) DE19512162C1 (en)
GB (1) GB2299392B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19651356C2 (en) * 1996-12-10 1998-10-22 Walu Labortechnik Gmbh Piston for a dosing device, titration device or the like
DE19915022B4 (en) * 1999-04-01 2007-01-18 Dichtungstechnik G. Bruss Gmbh & Co. Kg Elastomeric seal between a piston and a cylinder and / or a shaft of an automatic motor vehicle transmission
DE202008002847U1 (en) 2008-02-28 2009-04-02 Hirschmann Laborgeräte GmbH & Co. KG Piston for a piston / cylinder unit of a dosing device
DE202009012054U1 (en) 2009-09-07 2011-02-10 Brand Gmbh + Co Kg Dosing device for liquids
CN109751223A (en) * 2019-02-25 2019-05-14 台州弘亿机电有限公司 A kind of air compressor machine and its piston structure
CN111379686A (en) * 2020-04-13 2020-07-07 申元机电股份有限公司 Positive and negative pressure dual-purpose oil-free compressor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1055598A (en) * 1962-11-07 1967-01-18 Leslie Christopher Morgan Improvements in or relating to pressure-fluid seals

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT55644B (en) * 1911-06-10 1912-10-10 Richard Heindl Piston seal for hydraulic machines.
DE633590C (en) * 1932-10-13 1936-07-31 Franz Liebhold Piston with sealing sleeve for hydraulic devices of all kinds
DE732911C (en) * 1939-11-09 1943-03-15 Hans Zoeller Piston with sleeve seal
DE843780C (en) * 1950-10-18 1952-07-14 Knorr Bremse Gmbh Piston seal, especially for hydraulic brakes
US2859078A (en) * 1954-02-12 1958-11-04 Arthur W Jacobs Cup packing
DE1119611B (en) * 1956-07-23 1961-12-14 Iastabegia Appbau Ges M B H Piston for brake cylinder
US4119113A (en) * 1975-02-06 1978-10-10 Extracorporeal Medical Systems, Inc. Double-action proportioning pump
DE8408679U1 (en) * 1984-03-21 1984-06-28 Glasgerätebau Hirschmann, 7101 Eberstadt PISTON FOR DOSING UNITS

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1055598A (en) * 1962-11-07 1967-01-18 Leslie Christopher Morgan Improvements in or relating to pressure-fluid seals

Also Published As

Publication number Publication date
CH690735A5 (en) 2000-12-29
DE19512162C1 (en) 1996-11-21
GB2299392A (en) 1996-10-02
GB9606888D0 (en) 1996-06-05

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160331