JPWO2020241135A1 - - Google Patents

Info

Publication number
JPWO2020241135A1
JPWO2020241135A1 JP2021522715A JP2021522715A JPWO2020241135A1 JP WO2020241135 A1 JPWO2020241135 A1 JP WO2020241135A1 JP 2021522715 A JP2021522715 A JP 2021522715A JP 2021522715 A JP2021522715 A JP 2021522715A JP WO2020241135 A1 JPWO2020241135 A1 JP WO2020241135A1
Authority
JP
Japan
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.)
Pending
Application number
JP2021522715A
Other versions
JPWO2020241135A5 (ja
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 filed Critical
Publication of JPWO2020241135A1 publication Critical patent/JPWO2020241135A1/ja
Publication of JPWO2020241135A5 publication Critical patent/JPWO2020241135A5/ja
Pending legal-status Critical Current

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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1447—Pistons; Piston to piston rod assemblies
    • F15B15/1452—Piston sealings
    • 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
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • 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
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/24—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
    • 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
    • F16J15/00—Sealings
    • F16J15/56—Other sealings for reciprocating rods

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Sealing Devices (AREA)
JP2021522715A 2019-05-27 2020-04-24 Pending JPWO2020241135A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019098234 2019-05-27
PCT/JP2020/017589 WO2020241135A1 (ja) 2019-05-27 2020-04-24 密封装置

Publications (2)

Publication Number Publication Date
JPWO2020241135A1 true JPWO2020241135A1 (ja) 2020-12-03
JPWO2020241135A5 JPWO2020241135A5 (ja) 2022-01-18

Family

ID=73554046

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021522715A Pending JPWO2020241135A1 (ja) 2019-05-27 2020-04-24

Country Status (6)

Country Link
US (1) US20220205537A1 (ja)
EP (1) EP3978786A4 (ja)
JP (1) JPWO2020241135A1 (ja)
KR (1) KR20210148276A (ja)
CN (1) CN113874642A (ja)
WO (1) WO2020241135A1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784013A (en) * 1953-12-21 1957-03-05 Bendix Aviat Corp Hydraulic seal
US2968501A (en) * 1957-04-18 1961-01-17 A P D Co Fluid seal
JP2018179141A (ja) * 2017-04-13 2018-11-15 Nok株式会社 密封装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1074756A (en) * 1965-06-24 1967-07-05 Minnesota Rubber Co Sealing device between relatively movable surfaces
US4101140A (en) * 1972-03-23 1978-07-18 Tetrafluor, Inc. Peripherally grooved seal
GB1550293A (en) * 1976-11-22 1979-08-08 Caterpillar Tractor Co Shaft seal
JPS5959573U (ja) * 1982-10-13 1984-04-18 三菱電線工業株式会社 シ−ル装置
US4889351A (en) * 1988-05-12 1989-12-26 Frost Stanley A Hydraulic seal
US5092610A (en) * 1990-11-15 1992-03-03 Itt Corporation High pressure piston seal
DE19925083A1 (de) * 1999-06-01 2000-12-14 Festo Ag & Co Kolben für einen Arbeitszylinder und Verfahren zu seiner Herstellung
JP2005221028A (ja) * 2004-02-06 2005-08-18 Nok Corp 密封装置
JP5177391B2 (ja) * 2008-03-10 2013-04-03 いすゞ自動車株式会社 ピストンシール構造
JP5226765B2 (ja) * 2010-01-18 2013-07-03 三菱電線工業株式会社 密封構造
JP6371570B2 (ja) 2014-02-25 2018-08-08 Nok株式会社 密封装置
JP6017738B1 (ja) * 2014-12-12 2016-11-02 Nok株式会社 密封装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784013A (en) * 1953-12-21 1957-03-05 Bendix Aviat Corp Hydraulic seal
US2968501A (en) * 1957-04-18 1961-01-17 A P D Co Fluid seal
JP2018179141A (ja) * 2017-04-13 2018-11-15 Nok株式会社 密封装置

Also Published As

Publication number Publication date
KR20210148276A (ko) 2021-12-07
WO2020241135A1 (ja) 2020-12-03
EP3978786A4 (en) 2022-06-22
CN113874642A (zh) 2021-12-31
EP3978786A1 (en) 2022-04-06
US20220205537A1 (en) 2022-06-30

Similar Documents

Publication Publication Date Title
BR112019017762A2 (ja)
BR112021017339A2 (ja)
BR112021013854A2 (ja)
BR112021017892A2 (ja)
BR112019016141A2 (ja)
AU2020104490A4 (ja)
BR112021017939A2 (ja)
BR112021017738A2 (ja)
BR112021017782A2 (ja)
BR112019016138A2 (ja)
BR112019016142A2 (ja)
BR112021017728A2 (ja)
BR112021017234A2 (ja)
BR112021017355A2 (ja)
BR112021018102A2 (ja)
BR112021017173A2 (ja)
BR112021017083A2 (ja)
BR112021017637A2 (ja)
BR112021008711A2 (ja)
BR112021012348A2 (ja)
BR112021018093A2 (ja)
BR112021018084A2 (ja)
BR112021017703A2 (ja)
BR112021013944A2 (ja)
BR112021013128A2 (ja)

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211011

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20211011

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220823

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20230228