CA2341401A1 - Method of manufacturing gas springs - Google Patents

Method of manufacturing gas springs Download PDF

Info

Publication number
CA2341401A1
CA2341401A1 CA002341401A CA2341401A CA2341401A1 CA 2341401 A1 CA2341401 A1 CA 2341401A1 CA 002341401 A CA002341401 A CA 002341401A CA 2341401 A CA2341401 A CA 2341401A CA 2341401 A1 CA2341401 A1 CA 2341401A1
Authority
CA
Canada
Prior art keywords
channel
fluid communication
sectional area
cylinder
communication channel
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.)
Abandoned
Application number
CA002341401A
Other languages
English (en)
French (fr)
Inventor
Mark S. Jeffries
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.)
AVM Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2341401A1 publication Critical patent/CA2341401A1/en
Abandoned 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • F16F9/3235—Constructional features of cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, rods, wire, tubes, profiles or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/20—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls
    • B21C37/202—Making helical or similar guides in or on tubes without removing material, e.g. by drawing same over mandrels, by pushing same through dies ; Making tubes with angled walls, ribbed tubes or tubes with decorated walls with guides parallel to the tube axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
    • B21H7/187—Rolling helical or rectilinear grooves
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/0209—Telescopic
    • F16F9/0218—Mono-tubular units
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/346—Throttling passages in the form of slots arranged in cylinder walls

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Fluid-Damping Devices (AREA)
  • Springs (AREA)
CA002341401A 1998-08-21 1999-08-20 Method of manufacturing gas springs Abandoned CA2341401A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9748098P 1998-08-21 1998-08-21
US60/097,480 1998-08-21
PCT/US1999/019022 WO2000010742A1 (en) 1998-08-21 1999-08-20 Method of manufacturing gas springs

Publications (1)

Publication Number Publication Date
CA2341401A1 true CA2341401A1 (en) 2000-03-02

Family

ID=22263593

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002341401A Abandoned CA2341401A1 (en) 1998-08-21 1999-08-20 Method of manufacturing gas springs

Country Status (6)

Country Link
US (1) US6425279B1 (enExample)
JP (1) JP2002523686A (enExample)
CA (1) CA2341401A1 (enExample)
DE (1) DE19983485T1 (enExample)
GB (1) GB2357821B (enExample)
WO (1) WO2000010742A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6799395B1 (en) 2002-11-07 2004-10-05 The Bilco Company Horizontal door lift
US6959921B2 (en) * 2003-01-13 2005-11-01 Arvinmeritor Technology, Llc Temperature responsive valve assembly for a pneumatic spring
JP4210580B2 (ja) * 2003-11-07 2009-01-21 カヤバ工業株式会社 溝加工装置および溝加工方法
US6974001B2 (en) * 2003-11-19 2005-12-13 Arvinmeritor Technology, Llc. Temperature compensating gas spring
US7484720B2 (en) * 2005-02-07 2009-02-03 Stabilus, Inc. Temperature compensating valve assembly
DE102014202209A1 (de) * 2014-02-06 2015-08-06 Zf Friedrichshafen Ag Verfahren und Vorrichtung zur Herstellung eines Kolbenzylinder-Aggregates
CN103953676B (zh) * 2014-05-14 2015-10-21 北京京西重工有限公司 具有液压止挡结构的液压阻尼器及其制造方法
CN112247594B (zh) * 2020-10-09 2021-09-17 重庆特力普尔机械设备有限公司 一种氮气弹簧生产线及生产工艺

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2513302C2 (de) * 1975-03-26 1985-05-30 Stabilus Gmbh, 5400 Koblenz Blockierbare pneumatische oder hydropneumatische Feder
US4078638A (en) * 1976-09-30 1978-03-14 Showa Manufacturing Co., Ltd. Oil pressure shock absorber
DE3301544A1 (de) * 1983-01-19 1984-07-19 Stabilus Gmbh, 5400 Koblenz Gasfeder als huborgan zum oeffnen von nach oben schwenkbaren klappen
JPS62203625A (ja) * 1986-03-03 1987-09-08 Showa Seisakusho:Kk 油圧緩衝器のシリンダ加工用工具
US4866966A (en) * 1988-08-29 1989-09-19 Monroe Auto Equipment Company Method and apparatus for producing bypass grooves
JP2530073B2 (ja) * 1991-10-09 1996-09-04 塑性技研株式会社 くびれ部付きパイプの加工法
GB2303193B (en) * 1995-07-13 1998-10-14 Draftex Ind Ltd Gas spring
JPH09210109A (ja) * 1996-01-29 1997-08-12 Showa:Kk ガススプリング
JP3942209B2 (ja) * 1996-02-20 2007-07-11 株式会社ショーワ ガスシリンダ装置のシリンダ溝加工装置及び加工方法

Also Published As

Publication number Publication date
JP2002523686A (ja) 2002-07-30
GB2357821B (en) 2002-05-15
WO2000010742A1 (en) 2000-03-02
GB2357821A (en) 2001-07-04
GB0103897D0 (en) 2001-04-04
DE19983485T1 (de) 2001-07-26
US6425279B1 (en) 2002-07-30

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Legal Events

Date Code Title Description
FZDE Discontinued