GB0406755D0 - Seal - Google Patents

Seal

Info

Publication number
GB0406755D0
GB0406755D0 GB0406755A GB0406755A GB0406755D0 GB 0406755 D0 GB0406755 D0 GB 0406755D0 GB 0406755 A GB0406755 A GB 0406755A GB 0406755 A GB0406755 A GB 0406755A GB 0406755 D0 GB0406755 D0 GB 0406755D0
Authority
GB
United Kingdom
Prior art keywords
seal
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.)
Withdrawn
Application number
GB0406755A
Other versions
GB2412412A (en
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.)
BOC Group Ltd
Original Assignee
BOC Group Ltd
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 BOC Group Ltd filed Critical BOC Group Ltd
Priority to GB0406755A priority Critical patent/GB2412412A/en
Publication of GB0406755D0 publication Critical patent/GB0406755D0/en
Publication of GB2412412A publication Critical patent/GB2412412A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/008—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids for other than working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • 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]
GB0406755A 2004-03-26 2004-03-26 A seal for a vacuum pump Withdrawn GB2412412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0406755A GB2412412A (en) 2004-03-26 2004-03-26 A seal for a vacuum pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0406755A GB2412412A (en) 2004-03-26 2004-03-26 A seal for a vacuum pump

Publications (2)

Publication Number Publication Date
GB0406755D0 true GB0406755D0 (en) 2004-04-28
GB2412412A GB2412412A (en) 2005-09-28

Family

ID=32188701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0406755A Withdrawn GB2412412A (en) 2004-03-26 2004-03-26 A seal for a vacuum pump

Country Status (1)

Country Link
GB (1) GB2412412A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0712779D0 (en) * 2007-07-02 2007-08-08 Edwards Ltd Seal

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3106172B2 (en) * 1991-02-26 2000-11-06 東京エレクトロン株式会社 Sealing structure of heat treatment equipment
GB2263739B (en) * 1992-02-03 1995-02-22 Specialist Sealing Ltd Sealing ring
FR2726879B1 (en) * 1994-11-10 1997-01-31 Europ Propulsion STATIC METAL V-SEAL AND SEALED ASSEMBLY
US7004478B2 (en) * 2001-12-07 2006-02-28 Perkinelmer Inc. Shallow metallic s-seal
BR0202511A (en) * 2002-07-03 2004-05-11 Manegro Administracao E Partic Pipe and equipment flange gasket, gasket manufacturing process, and gasket for gasket

Also Published As

Publication number Publication date
GB2412412A (en) 2005-09-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)