IT1039682B - Dispositivo a cilindro e pistone per superare resistenze di pressione sopratutto in attr zzature filtranti - Google Patents

Dispositivo a cilindro e pistone per superare resistenze di pressione sopratutto in attr zzature filtranti

Info

Publication number
IT1039682B
IT1039682B IT2503075A IT2503075A IT1039682B IT 1039682 B IT1039682 B IT 1039682B IT 2503075 A IT2503075 A IT 2503075A IT 2503075 A IT2503075 A IT 2503075A IT 1039682 B IT1039682 B IT 1039682B
Authority
IT
Italy
Prior art keywords
cylinder
pressure resistance
piston device
filtering equipment
resistance especially
Prior art date
Application number
IT2503075A
Other languages
English (en)
Italian (it)
Inventor
Grundmann Peter
Hein Wolfgang
Original Assignee
Schleicher & Schuell 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 Schleicher & Schuell Gmbh filed Critical Schleicher & Schuell Gmbh
Application granted granted Critical
Publication of IT1039682B publication Critical patent/IT1039682B/it

Links

Classifications

    • 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
    • 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
    • F04B3/00—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage
    • F04B3/003—Machines or pumps with pistons coacting within one cylinder, e.g. multi-stage with two or more pistons reciprocating one within another, e.g. one piston forning cylinder of the other
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/12—Valves; Arrangement of valves arranged in or on pistons
    • F04B53/125—Reciprocating valves
    • F04B53/129—Poppet valves
    • 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
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/14—Pumps characterised by muscle-power operation
    • 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
    • A61M2005/3128—Incorporating one-way valves, e.g. pressure-relief or non-return valves
    • 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
    • A61M5/31596—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing
    • A61M2005/31598—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms comprising means for injection of two or more media, e.g. by mixing having multiple telescopically sliding coaxial pistons encompassing volumes for components to be mixed
    • 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
    • A61M5/3145—Filters incorporated in syringes
IT2503075A 1974-07-11 1975-07-02 Dispositivo a cilindro e pistone per superare resistenze di pressione sopratutto in attr zzature filtranti IT1039682B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742433399 DE2433399C3 (de) 1974-07-11 1974-07-11 Kolbenschieberpumpe, insbesondere für die Druckfiltration

Publications (1)

Publication Number Publication Date
IT1039682B true IT1039682B (it) 1979-12-10

Family

ID=5920317

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2503075A IT1039682B (it) 1974-07-11 1975-07-02 Dispositivo a cilindro e pistone per superare resistenze di pressione sopratutto in attr zzature filtranti

Country Status (7)

Country Link
JP (1) JPS5930913B2 (de)
CH (1) CH596452A5 (de)
DE (1) DE2433399C3 (de)
FR (1) FR2277616A1 (de)
GB (1) GB1483002A (de)
IT (1) IT1039682B (de)
NL (1) NL7508203A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56161804A (en) * 1980-05-16 1981-12-12 Nippon Enbairo Kogyo Kk Method and apparatus for separating oil and water
US4601625A (en) * 1984-05-11 1986-07-22 Illinois Tool Works Inc. Self drilling threaded insert for drywall
DE102008005319A1 (de) * 2008-01-21 2009-07-23 Seneca S.A. Vorrichtung zum Trennen von Flüssigkeiten in Fraktionen mit unterschiedlichen Konzentrationen an Inhaltsstoffen
FR2950939B1 (fr) 2009-10-01 2011-11-25 Decathlon Sa Pompe a air manuelle a compression optimisee
WO2016102446A1 (en) * 2014-12-24 2016-06-30 Ferrosan Medical Devices A/S Syringe for retaining and mixing first and second substances
WO2017005590A1 (en) 2015-07-03 2017-01-12 Ferrosan Medical Devices A/S Syringe for mixing two components and for retaining a vacuum in a storage condition

Also Published As

Publication number Publication date
DE2433399A1 (de) 1976-01-29
FR2277616A1 (fr) 1976-02-06
DE2433399C3 (de) 1978-09-14
NL7508203A (nl) 1976-01-13
JPS5930913B2 (ja) 1984-07-30
CH596452A5 (de) 1978-03-15
DE2433399B2 (de) 1978-01-19
FR2277616B3 (de) 1979-04-20
GB1483002A (en) 1977-08-17
JPS5133302A (ja) 1976-03-22

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