[go: up one dir, main page]

GB811818A - Improvements in or relating to pressure-operated electric switches - Google Patents

Improvements in or relating to pressure-operated electric switches

Info

Publication number
GB811818A
GB811818A GB1202257A GB1202257A GB811818A GB 811818 A GB811818 A GB 811818A GB 1202257 A GB1202257 A GB 1202257A GB 1202257 A GB1202257 A GB 1202257A GB 811818 A GB811818 A GB 811818A
Authority
GB
United Kingdom
Prior art keywords
relating
pressure
electric switches
operated electric
tetrafluoroethylene
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
Application number
GB1202257A
Inventor
Rudolf Beck
Joseph F Engelberger
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.)
Manning Maxwell and Moore Inc
Original Assignee
Manning Maxwell and Moore Inc
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 Manning Maxwell and Moore Inc filed Critical Manning Maxwell and Moore Inc
Priority to GB1202257A priority Critical patent/GB811818A/en
Publication of GB811818A publication Critical patent/GB811818A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Diaphragms And Bellows (AREA)

Abstract

811,818. Diaphragm pistons. MANNING, MAXWELL & MOORE Inc. April 12, 1957, No. 12022/57. Drawings to Specification. Class 122 (1). [Also in Group XXXVII] A piston-diaphragm used to actuate an electric switch (see Group XXXVII) on fluidpressure increase, comprises a layer of tetrafluoroethylene on the pressure side, face-toface with a layer of glass fabric coated with tetrafluoroethylene.
GB1202257A 1957-04-12 1957-04-12 Improvements in or relating to pressure-operated electric switches Expired GB811818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1202257A GB811818A (en) 1957-04-12 1957-04-12 Improvements in or relating to pressure-operated electric switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1202257A GB811818A (en) 1957-04-12 1957-04-12 Improvements in or relating to pressure-operated electric switches

Publications (1)

Publication Number Publication Date
GB811818A true GB811818A (en) 1959-04-15

Family

ID=9996995

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1202257A Expired GB811818A (en) 1957-04-12 1957-04-12 Improvements in or relating to pressure-operated electric switches

Country Status (1)

Country Link
GB (1) GB811818A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383003A1 (en) * 1977-03-11 1978-10-06 Burkert Gmbh PROCESS FOR MANUFACTURING A SEALING PACKING IN POLYTETRAFLUOROETHYLENE AND FOR FIXING IT TO A SUPPORT
GB2252673A (en) * 1991-01-28 1992-08-12 Dwyer Instr In field settable differential pressure switch assembly
DE4231927A1 (en) * 1992-09-24 1994-03-31 Hydac Technology Gmbh Elastic, gas-tight membrane for use in pressure accumulators - comprises polyester base film, esp. PET, coated on one or both sides with layer of crosslinked polysiloxane
DE29708673U1 (en) * 1997-05-15 1997-08-21 Filtertek B.V., Limerick Pressure transmission device
US6932110B2 (en) 2002-05-03 2005-08-23 Filtertek Inc. Unidirectional valve appliance
USD541935S1 (en) 2004-07-09 2007-05-01 Filtertek Inc. Valve for fluids, especially for the medical technique
US7516765B2 (en) 2004-11-22 2009-04-14 Filtertek Inc. Air vent foil cutter
US7673653B2 (en) 2004-06-17 2010-03-09 Filtertek Inc. Check valve
US7717116B2 (en) 2004-06-07 2010-05-18 Filtertek Inc. Apparatus for connecting a respiratory device with a patient

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383003A1 (en) * 1977-03-11 1978-10-06 Burkert Gmbh PROCESS FOR MANUFACTURING A SEALING PACKING IN POLYTETRAFLUOROETHYLENE AND FOR FIXING IT TO A SUPPORT
GB2252673A (en) * 1991-01-28 1992-08-12 Dwyer Instr In field settable differential pressure switch assembly
GB2252673B (en) * 1991-01-28 1994-11-16 Dwyer Instr In field settable differential pressure switch assembly for fluid pressure applications
DE4231927C2 (en) * 1992-09-24 1998-07-02 Hydac Technology Gmbh Plastic membrane for pressure accumulators
DE4231927A1 (en) * 1992-09-24 1994-03-31 Hydac Technology Gmbh Elastic, gas-tight membrane for use in pressure accumulators - comprises polyester base film, esp. PET, coated on one or both sides with layer of crosslinked polysiloxane
US6168653B1 (en) 1997-05-15 2001-01-02 Filtertek, Inc Pressure transmission apparatus
DE29708673U1 (en) * 1997-05-15 1997-08-21 Filtertek B.V., Limerick Pressure transmission device
US6506237B2 (en) 1997-05-15 2003-01-14 Filtertek Inc. Pressure transmission apparatus
US6932110B2 (en) 2002-05-03 2005-08-23 Filtertek Inc. Unidirectional valve appliance
US7717116B2 (en) 2004-06-07 2010-05-18 Filtertek Inc. Apparatus for connecting a respiratory device with a patient
USRE43886E1 (en) 2004-06-07 2013-01-01 Illinois Tool Works Inc. Apparatus for connecting a respiratory device with a patient
US7673653B2 (en) 2004-06-17 2010-03-09 Filtertek Inc. Check valve
USD541935S1 (en) 2004-07-09 2007-05-01 Filtertek Inc. Valve for fluids, especially for the medical technique
USD564092S1 (en) 2004-07-09 2008-03-11 Filtertek Inc. Valve for fluids, especially for the medical technique
US7516765B2 (en) 2004-11-22 2009-04-14 Filtertek Inc. Air vent foil cutter

Similar Documents

Publication Publication Date Title
GB1212069A (en) Improvements in or relating to electric switch contact assemblies
AU526528B2 (en) Pressure sensitive composite article
GB962272A (en) Surgical gown with moisture proof conductive grounding means
GB811818A (en) Improvements in or relating to pressure-operated electric switches
NL7714475A (en) HIGH PRESSURE DIAPHRAGM VALVE.
GB1375494A (en)
GB796622A (en) Improvements in and relating to electric switches
GB793707A (en) Improvements relating to diaphragms
GB876428A (en) Improvements in or relating to loudspeaker diaphragms
GB923891A (en) Improved electric switch
GB862173A (en) Improvements in or relating to spring assemblies
CA521594A (en) Fluid pressure operated switches
GB571516A (en) Improvements in electrical interrupters or vibrators
GB568653A (en) Improvements in or relating to electric change-over switches
GB908217A (en) Improvements in or relating to sheet materials
CA603163A (en) Pressure cooker
GB859636A (en) Improvements in or relating to fluid-pressure-operated instruments
CA496374A (en) Fluid pressure operated switches
GB907967A (en) Diaphragm-operated switch for electrical continuous-flow liquid heaters
DD137061A1 (en) RESPONSE AND ELECTRODE ENVIRONMENT WITH CONSTANT OXYGEN PARTICULAR PRESSURE
GB845980A (en) Improvements in fluid pressure operated electrical switchs
CA526421A (en) Pressure cookers
CA569655A (en) Fluid pressure responsive switch
GB604992A (en) Improvements in selecting switches such as are used in automatic telephone systems
CA538647A (en) Bonded fibre fabrics