CH268989A - Pistons with sealing elements for syringe or pump cylinders. - Google Patents

Pistons with sealing elements for syringe or pump cylinders.

Info

Publication number
CH268989A
CH268989A CH268989DA CH268989A CH 268989 A CH268989 A CH 268989A CH 268989D A CH268989D A CH 268989DA CH 268989 A CH268989 A CH 268989A
Authority
CH
Switzerland
Prior art keywords
pistons
syringe
sealing elements
pump cylinders
cylinders
Prior art date
Application number
Other languages
German (de)
Inventor
Simon Freeman William
Original Assignee
Simon Freeman William
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 Simon Freeman William filed Critical Simon Freeman William
Publication of CH268989A publication Critical patent/CH268989A/en

Links

Classifications

    • 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
    • F16J1/10—Connection to driving members
    • F16J1/12—Connection to driving members with piston-rods, e.g. rigid connections
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M3/00—Medical syringes, e.g. enemata; Irrigators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511—Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • A61M5/31513—Piston constructions to improve sealing or sliding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B33/00—Pumps actuated by muscle power, e.g. for inflating
    • F04B33/005—Pumps actuated by muscle power, e.g. for inflating specially adapted for inflating tyres of non-motorised vehicles, e.g. cycles, tricycles
    • 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
    • F16J1/001—One-piece pistons
    • F16J1/003—One-piece pistons with integral sealing lips

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hematology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Vascular Medicine (AREA)
  • Reciprocating Pumps (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Details Of Reciprocating Pumps (AREA)
CH268989D 1946-10-04 1948-01-29 Pistons with sealing elements for syringe or pump cylinders. CH268989A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26200/45A GB594003A (en) 1946-10-04 1946-10-04 Improvements in or relating to pistons, piston heads or washers for syringes or pumps

Publications (1)

Publication Number Publication Date
CH268989A true CH268989A (en) 1950-06-15

Family

ID=9770853

Family Applications (1)

Application Number Title Priority Date Filing Date
CH268989D CH268989A (en) 1946-10-04 1948-01-29 Pistons with sealing elements for syringe or pump cylinders.

Country Status (6)

Country Link
BE (1) BE478959A (en)
CH (1) CH268989A (en)
DK (1) DK71992C (en)
FR (1) FR957829A (en)
GB (1) GB594003A (en)
NL (1) NL137518B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008013067U1 (en) * 2008-10-02 2010-02-25 Hettich-Heinze Gmbh & Co. Kg cement anchor

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798487A (en) * 1952-05-09 1957-07-09 Becton Dickinson Co Syringe assembly
US2679246A (en) * 1952-07-22 1954-05-25 Miljam Instr Corp Hypodermic syringe
US2907328A (en) * 1953-03-20 1959-10-06 Miljam Instr Corp Hypodermic syringe
DE1042382B (en) * 1955-12-12 1958-10-30 August Lichte Dr Ing Piston pumps, especially fuel injection pumps for diesel and gasoline engines
GB999506A (en) * 1960-11-02 1965-07-28 Engis Ltd Improvements in syringes for dispensing paste or the like
US4201209A (en) * 1978-05-24 1980-05-06 Leveen Harry H Molded hypodermic plunger with integral shaft and elastomeric head
DE7819584U1 (en) * 1978-06-30 1978-10-12 Howmedica International, Inc. Zweigniederlassung Kiel, 2301 Schoenkirchen TUBE-LIKE STORAGE CONTAINER FOR MEDICAL SPRAY DEVICE
EP0010561A1 (en) * 1978-10-12 1980-05-14 Dessoy Et Fils S.A. Etablissements Water pistol
US5163907A (en) * 1991-06-24 1992-11-17 Szuszkiewicz Christine M Single use retractable needle syringe
DE4331241B4 (en) * 1993-09-15 2004-02-05 Fte Automotive Gmbh Hydraulic actuation cylinder
DE29516282U1 (en) * 1995-10-13 1995-12-07 Hoechst Ag, 65929 Frankfurt Piston plugs for syringe barrels
WO2008064283A2 (en) * 2006-11-24 2008-05-29 3M Innovative Properties Company Piston, and handheld dispenser including a piston

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008013067U1 (en) * 2008-10-02 2010-02-25 Hettich-Heinze Gmbh & Co. Kg cement anchor

Also Published As

Publication number Publication date
BE478959A (en)
GB594003A (en) 1947-10-30
FR957829A (en) 1950-02-25
DK71992C (en) 1951-01-08
NL137518B (en) 1949-12-15

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