GB2211912B - Covered helical compression springs - Google Patents

Covered helical compression springs

Info

Publication number
GB2211912B
GB2211912B GB8821207A GB8821207A GB2211912B GB 2211912 B GB2211912 B GB 2211912B GB 8821207 A GB8821207 A GB 8821207A GB 8821207 A GB8821207 A GB 8821207A GB 2211912 B GB2211912 B GB 2211912B
Authority
GB
United Kingdom
Prior art keywords
compression springs
helical compression
covered
covered helical
springs
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 - Lifetime
Application number
GB8821207A
Other languages
English (en)
Other versions
GB8821207D0 (en
GB2211912A (en
Inventor
Guenter Schwartz
Ulrich Neuhaus
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.)
Hoesch AG
ALTENKIRCHENER KUNSTSTOFF GmbH
Original Assignee
Hoesch AG
ALTENKIRCHENER KUNSTSTOFF 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 Hoesch AG, ALTENKIRCHENER KUNSTSTOFF GmbH filed Critical Hoesch AG
Publication of GB8821207D0 publication Critical patent/GB8821207D0/en
Publication of GB2211912A publication Critical patent/GB2211912A/en
Application granted granted Critical
Publication of GB2211912B publication Critical patent/GB2211912B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/024—Covers or coatings therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • 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
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/12—Attachments or mountings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Springs (AREA)
GB8821207A 1987-11-02 1988-09-09 Covered helical compression springs Expired - Lifetime GB2211912B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873737104 DE3737104A1 (de) 1987-11-02 1987-11-02 Schlauchstueck aus elastischem, gut rueckstellbarem kunststoff und verfahren zu seiner herstellung

Publications (3)

Publication Number Publication Date
GB8821207D0 GB8821207D0 (en) 1988-10-12
GB2211912A GB2211912A (en) 1989-07-12
GB2211912B true GB2211912B (en) 1992-04-22

Family

ID=6339584

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8821207A Expired - Lifetime GB2211912B (en) 1987-11-02 1988-09-09 Covered helical compression springs

Country Status (10)

Country Link
US (1) US4869471A (OSRAM)
JP (1) JPH01135932A (OSRAM)
KR (1) KR970001961B1 (OSRAM)
AU (1) AU605922B2 (OSRAM)
CA (1) CA1296268C (OSRAM)
DE (1) DE3737104A1 (OSRAM)
ES (1) ES2008007A6 (OSRAM)
FR (1) FR2622659B1 (OSRAM)
GB (1) GB2211912B (OSRAM)
SE (1) SE467272B (OSRAM)

Families Citing this family (25)

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US5111849A (en) * 1988-12-29 1992-05-12 Ems-Inventa Ag Helical pipes and method of manufacture thereof
US5261894A (en) * 1992-03-10 1993-11-16 Injectimed, Inc. Injection spring with locking collar for a protective needle sleeve
US5310167A (en) * 1992-09-14 1994-05-10 Hoesch Suspensions, Inc. Method and apparatus for providing a flexible covering for a portion of a tapered coil spring
US5549370A (en) * 1994-11-07 1996-08-27 Folsom; Mark F. Fiber-reinforced plastic springs with helical fiber wind
US5695421A (en) * 1996-02-21 1997-12-09 Shimano Inc. Elastomer coated coil spring and chain derailleur employing same
US5823439A (en) * 1996-08-16 1998-10-20 Hunter Industries Incorporated Pop-up sprinkler with shock absorbing riser spring
JP4054079B2 (ja) * 1996-09-10 2008-02-27 株式会社ブリヂストン 防振装置
US5799931A (en) * 1996-10-11 1998-09-01 Sikorsky Aircraft Corporation Coil spring for overrunning spring clutches
DE19824378A1 (de) * 1998-05-30 1999-12-02 Philips Patentverwaltung Elektonisches Gerät mit einer erschütterungsempfindliches Baueinheit
GB9930000D0 (en) 1999-12-21 2000-02-09 Phaeton Research Ltd An ingestible device
US7168117B2 (en) * 2003-02-19 2007-01-30 Dreamwell Ltd. Multi-stranded coil spring
US7047581B2 (en) * 2003-02-19 2006-05-23 Dreamwell, Ltd. Stranded mattress spring
US6944899B2 (en) * 2003-02-19 2005-09-20 Dreamwell, Ltd. Stranded mattress spring
DE102004005812B4 (de) * 2004-02-06 2009-06-04 Audi Ag Tragfederanordnung für ein Kraftfahrzeug mit einer auf einem Radträger sich abstützenden Schraubenfeder
JP4857041B2 (ja) * 2006-07-18 2012-01-18 株式会社トスカ 可塑性材製の螺旋状部品及びその製造方法
DE102009053092A1 (de) 2009-11-13 2011-05-19 Audi Ag Steinschlagschutz für ein Federelement
BRPI1105017B1 (pt) * 2011-11-25 2020-06-16 Embraco Indústria De Compressores E Soluções E Refrigeração Ltda. Dispositivo de controle de deformação de mola ressonante em uma unidade de acionamento linear
CN202441794U (zh) * 2012-03-02 2012-09-19 喜临门家具股份有限公司 一种螺旋状气压弹簧
KR101378000B1 (ko) * 2012-10-09 2014-03-26 이용복 자동차 현가장치 코일스프링 보호용 튜브, 자동차 현가장치 코일스프링의 제조 방법 및 상기 방법으로 제조된 자동차 현가장치 코일스프링
CA2833674A1 (en) * 2013-11-15 2015-05-15 Rem Enterprises Inc. Method for coating an extension spring
CN111527324B (zh) * 2018-03-07 2021-12-21 中央发条株式会社 弹簧
DE102018214795A1 (de) * 2018-08-31 2020-03-05 Thyssenkrupp Ag Schraubenfeder für ein Fahrwerk und ein Verfahren zum Herstellen einer Schraubenfeder für ein Fahrwerk
JP7332560B2 (ja) * 2020-09-25 2023-08-23 トヨタ自動車株式会社 リアサスペンションとそのコイルスプリング
US11940031B2 (en) * 2022-03-24 2024-03-26 Nhk Spring Co., Ltd. Coil spring
US11821485B1 (en) 2022-06-01 2023-11-21 Nhk Spring Co., Ltd. Coil spring

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363914A (en) * 1970-08-06 1974-08-21 Sherwood Medical Ind Inc Extruder apparatus and accumulator
GB1365834A (en) * 1971-02-25 1974-09-04 Sherwood Medical Ind Inc Extruder
GB1523786A (en) * 1974-09-25 1978-09-06 Sekisui Chemical Co Ltd Method of and apparatus for manufacturing a resin tube having thick and thin wall portions alternating along its length
US4113813A (en) * 1977-04-25 1978-09-12 Wilson-Tek Corporation Method of preparing and belling thermoplastic pipe with thickened walls
GB1590542A (en) * 1976-07-30 1981-06-03 Pont A Mousson Method and apparatus for modifying the thickness of extruded material

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US170973A (en) * 1875-12-14 Improvement in springs
US85938A (en) * 1869-01-19 Improved spring for furniture
US1586353A (en) * 1921-08-20 1926-05-25 White Sewing Mach Spring driving belt
FR559350A (fr) * 1922-12-02 1923-09-13 Amortisseur à compression progressive
US1529441A (en) * 1924-03-13 1925-03-10 Leinert Valve Company Spring and method of producing the same
GB270169A (en) * 1926-11-19 1927-05-05 Edgar William Timmis Improvements in coiled springs
GB301075A (en) * 1927-11-25 1929-10-03 William Henry Kent Improvements in and relating to coiled springs
US1751261A (en) * 1928-10-03 1930-03-18 Everlasting Valve Co Spring
US2247543A (en) * 1939-06-09 1941-07-01 Samuel S Bernstein Rubberized spring construction
US2230069A (en) * 1939-07-04 1941-01-28 Samuel W Rushmore Nonvibratory spring
US2276516A (en) * 1939-09-26 1942-03-17 Roy Nancy Cushion
US2832587A (en) * 1955-06-06 1958-04-29 Universal Air Lift Inc Spring booster assemblies
US2893789A (en) * 1955-06-20 1959-07-07 William V Heinz Lubricators
US3073565A (en) * 1960-12-23 1963-01-15 Georges F A Daumy Gate-valve
NL286649A (OSRAM) * 1961-12-13
DE1930805A1 (de) * 1969-06-18 1970-12-23 Hoesch Ag Schraubenfeder mit progressiver Kennlinie
US3711917A (en) * 1969-08-18 1973-01-23 North American Rockwell Coated spring
DE2020678A1 (de) * 1970-04-28 1971-11-25 Daimler Benz Ag Schrauben-Druckfeder
US4120489A (en) * 1970-06-22 1978-10-17 Bebrueder Ahle Double truncoconical spring of wire with circular cross section
FR2157051A5 (en) * 1971-10-15 1973-06-01 Aquitaine Total Organico Pipe extrusion control - with extrudate dimension monitors controlling axiality and output rate
US3761069A (en) * 1971-10-21 1973-09-25 A Moore Buffer coil
US3884447A (en) * 1973-06-06 1975-05-20 Wells Mfg Corp Fluid valve means
JPS5740744B2 (OSRAM) * 1974-10-17 1982-08-30
JPS5191964A (OSRAM) * 1975-02-10 1976-08-12
DE2506420C3 (de) * 1975-02-15 1982-03-11 Gebrüder Ahle, 5253 Lindlar Nichtzylindrische, gewundene Druckfeder aus Draht mit kreisförmigem Querschnitt, insbesondere zur Anwendung bei Kraftfahrzeugen
JPS5291066A (en) * 1976-01-27 1977-08-01 Dainichi Nippon Cables Ltd Method of controlling coating thickness of plastic coating device
DE2620149C2 (de) * 1976-05-07 1978-06-22 Volkswagenwerk Ag, 3180 Wolfsburg Elastischer Schutzschlauch
DE7614420U1 (de) * 1976-05-07 1976-09-02 Volkswagenwerk Ag, 3180 Wolfsburg Elastischer Schutzschlauch
DE2800395A1 (de) * 1976-05-07 1979-07-12 Volkswagenwerk Ag Elastischer schutzschlauch
JPS52147665A (en) * 1976-06-02 1977-12-08 Kubota Ltd Method of producing plastic pipe
US4111407A (en) * 1976-09-30 1978-09-05 Litton Industrial Products, Inc. Conical compression spring
JPS53117074A (en) * 1977-03-23 1978-10-13 Omusukii Fuiriaru Supechiaruno Apparatus for controlling automatically dimension of extruded material
JPS53123465A (en) * 1977-04-04 1978-10-27 Kasei Co C I Production method of
DE7809523U1 (de) * 1978-03-31 1982-07-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schraubenfeder
JPS5551538A (en) * 1978-10-06 1980-04-15 Sekisui Chem Co Ltd Method for producing resin tube
DE2856632A1 (de) * 1978-12-29 1980-07-10 Brueninghaus Gmbh Stahlwerke Zylindrische schraubendruckfeder
JPS568709A (en) * 1979-06-28 1981-01-29 Hiroyuki Ito Coil spring for car suspension
JPS5612733A (en) * 1979-07-11 1981-02-07 Fujitsu Ltd Ion etching method
JPS5620843A (en) * 1979-07-28 1981-02-26 Kayaba Ind Co Ltd Nonlinear coil spring
JPS5644628A (en) * 1979-09-20 1981-04-23 Kasamatsu Kako Kenkyusho:Kk Continuous manufacturing method and apparatus for profile tube
DE3031582A1 (de) * 1980-08-21 1982-03-18 Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der Rhein.-Westf. Technischen Hochschule Aachen e.V., 5100 Aachen Wendelfoermiges bauteil
JPS6081528A (ja) * 1983-10-06 1985-05-09 Chuo Spring Co Ltd 圧縮コイルばね
JPS60245843A (ja) * 1984-05-21 1985-12-05 Nhk Spring Co Ltd 被覆コイルばね
SU1315689A1 (ru) * 1985-01-24 1987-06-07 Предприятие П/Я Р-6047 Амортизатор
US4753423A (en) * 1985-06-03 1988-06-28 Nippon Petrochemicals Co., Ltd Synthetic resin-coated spring and method for making same
US4640500A (en) * 1985-10-31 1987-02-03 Shiau Jgi J Inherently effectively damped coiled spring
JPS62258236A (ja) * 1986-05-01 1987-11-10 Nhk Spring Co Ltd エンジン用弁ばね

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363914A (en) * 1970-08-06 1974-08-21 Sherwood Medical Ind Inc Extruder apparatus and accumulator
GB1365834A (en) * 1971-02-25 1974-09-04 Sherwood Medical Ind Inc Extruder
GB1523786A (en) * 1974-09-25 1978-09-06 Sekisui Chemical Co Ltd Method of and apparatus for manufacturing a resin tube having thick and thin wall portions alternating along its length
GB1590542A (en) * 1976-07-30 1981-06-03 Pont A Mousson Method and apparatus for modifying the thickness of extruded material
US4113813A (en) * 1977-04-25 1978-09-12 Wilson-Tek Corporation Method of preparing and belling thermoplastic pipe with thickened walls

Also Published As

Publication number Publication date
FR2622659A1 (fr) 1989-05-05
US4869471A (en) 1989-09-26
GB8821207D0 (en) 1988-10-12
FR2622659B1 (fr) 1992-08-28
SE8802826D0 (sv) 1988-08-05
CA1296268C (en) 1992-02-25
KR970001961B1 (ko) 1997-02-20
SE8802826L (sv) 1989-05-03
AU2410188A (en) 1989-05-04
SE467272B (sv) 1992-06-22
AU605922B2 (en) 1991-01-24
KR890007936A (ko) 1989-07-06
DE3737104C2 (OSRAM) 1990-01-11
DE3737104A1 (de) 1989-05-11
GB2211912A (en) 1989-07-12
JPH01135932A (ja) 1989-05-29
ES2008007A6 (es) 1989-07-01

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20080908