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FR2448673A1 - RUBBER SUPPORT WITH HYDRAULIC DAMPING - Google Patents

RUBBER SUPPORT WITH HYDRAULIC DAMPING

Info

Publication number
FR2448673A1
FR2448673A1 FR8002814A FR8002814A FR2448673A1 FR 2448673 A1 FR2448673 A1 FR 2448673A1 FR 8002814 A FR8002814 A FR 8002814A FR 8002814 A FR8002814 A FR 8002814A FR 2448673 A1 FR2448673 A1 FR 2448673A1
Authority
FR
France
Prior art keywords
parts
rubber support
hydraulic damping
deliming
piston
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.)
Granted
Application number
FR8002814A
Other languages
French (fr)
Other versions
FR2448673B1 (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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of FR2448673A1 publication Critical patent/FR2448673A1/en
Application granted granted Critical
Publication of FR2448673B1 publication Critical patent/FR2448673B1/en
Expired 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
    • F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
    • F16F13/04—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper
    • F16F13/06—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper
    • F16F13/08—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper
    • F16F13/10—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like
    • F16F13/105—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a plastics spring and a damper, e.g. a friction damper the damper being a fluid damper, e.g. the plastics spring not forming a part of the wall of the fluid chamber of the damper the plastics spring forming at least a part of the wall of the fluid chamber of the damper the wall being at least in part formed by a flexible membrane or the like characterised by features of partitions between two working chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combined Devices Of Dampers And Springs (AREA)

Abstract

SUPPORT CONSTITUE PAR DEUX PLAQUES RELIEES CHACUNE A UNE BRIDE CONCENTRIQUE PAR DES PIECES EN CAOUTCHOUC DELIMITANT UNE CHAMBRE REMPLIE DE LIQUIDE ET SEPAREE EN DEUX PARTIES PAR UN PISTON PERCE DE TROUS. LA PLAQUE 7 ET LA PLAQUE 2 SONT REUNIES RESPECTIVEMENT A LA BRIDE 8 PAR DES ELEMENTS ELASTIQUES 13 ET 11 DELIMITANT UNE CHAMBRE DIVISEE EN DEUX PARTIES 1 ET 14 PAR UN PISTON 3 PERCE DE TROUS 4 ET SE DEPLACANT ENTRE DES BUTEES ANNULAIRES 6 ET 17, EN DECOUVRANT TEMPORAIREMENT UN CANAL DE DECHARGE 9.SUPPORT CONSISTING OF TWO PLATES EACH CONNECTED TO A CONCENTRIC FLANGE BY RUBBER PARTS DELIMING A CHAMBER FILLED WITH LIQUID AND SEPARATED INTO TWO PARTS BY A PISTON WITH HOLES. PLATE 7 AND PLATE 2 ARE JOINED RESPECTIVELY TO FLANGE 8 BY ELASTIC ELEMENTS 13 AND 11 DELIMING A CHAMBER DIVIDED INTO TWO PARTS 1 AND 14 BY A PISTON 3 DRILLED WITH HOLES 4 AND MOVING BETWEEN ANNULAR STOPS 6 AND 17, BY TEMPORARILY DISCOVERING A DISCHARGE CHANNEL 9.

FR8002814A 1979-02-10 1980-02-08 RUBBER SUPPORT WITH HYDRAULIC DAMPING Expired FR2448673B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2905090A DE2905090C2 (en) 1979-02-10 1979-02-10 Rubber mount with hydraulic damping

Publications (2)

Publication Number Publication Date
FR2448673A1 true FR2448673A1 (en) 1980-09-05
FR2448673B1 FR2448673B1 (en) 1985-11-22

Family

ID=6062627

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8002814A Expired FR2448673B1 (en) 1979-02-10 1980-02-08 RUBBER SUPPORT WITH HYDRAULIC DAMPING

Country Status (6)

Country Link
JP (1) JPS55107145A (en)
DE (1) DE2905090C2 (en)
FR (1) FR2448673B1 (en)
GB (1) GB2041485B (en)
IT (1) IT1118200B (en)
SE (1) SE441120B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468794A1 (en) * 1979-11-06 1981-05-08 Tokai Rubber Ind Ltd DAMPING DEVICE FOR MOUNTING MOTORS
FR2481771A1 (en) * 1980-05-02 1981-11-06 Nissan Motor ARRANGEMENT FOR MOUNTING AN ENGINE IN A VEHICLE
EP0042910A2 (en) * 1980-06-27 1982-01-06 Boge GmbH Mounting with a single hydraulic damping chamber
FR2511105A1 (en) * 1981-08-07 1983-02-11 Peugeot ELASTIC BODY, IN PARTICULAR FOR THE SUSPENSION OF A MOTOR VEHICLE
FR2560326A1 (en) * 1984-02-27 1985-08-30 Hutchinson IMPROVEMENTS ON HYDRAULIC ANTIVIBRATORY SUPPORTS
WO2020074798A1 (en) * 2018-10-12 2020-04-16 Psa Automobiles Sa Inertial hydraulic end-of-travel stop for a motor vehicle suspension

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467724A1 (en) * 1979-10-22 1981-04-30 Peugeot ELASTIC BODY, IN PARTICULAR FOR THE SUSPENSION OF A MOTOR VEHICLE
JPS6015806B2 (en) * 1980-04-14 1985-04-22 日産自動車株式会社 Engine mount device with damper
DE3019337C2 (en) * 1980-05-21 1986-07-31 Fa. Carl Freudenberg, 6940 Weinheim Elastic rubber mount
AU523318B2 (en) * 1980-06-23 1982-07-22 Bridgestone Tire Co. Ltd. Rubber vibration isolators
DE3027742A1 (en) * 1980-07-22 1982-02-04 Metzeler Kautschuk GmbH, 8000 München TWO-CHAMBER ENGINE MOUNT WITH HYDRAULIC DAMPING
JPS57118921A (en) * 1981-01-12 1982-07-24 Nissan Motor Co Ltd Mounting device of power unit
JPS57138423A (en) * 1981-02-17 1982-08-26 Nissan Motor Co Ltd Engine mount device filled with fluid
JPS57191127A (en) * 1981-05-18 1982-11-24 Nissan Motor Co Ltd Engine mount filled with fluid
US4483521A (en) * 1981-07-01 1984-11-20 Nissan Motor Company, Limited Rubber and fluid type vibration damper
DE3135043C2 (en) * 1981-09-04 1987-02-19 Daimler-Benz Ag, 7000 Stuttgart Support bearing for installation between a shock absorber or spring strut and a vehicle body that is suspended relative to the axles
DE3233456C2 (en) * 1982-09-09 1987-04-09 Continental Gummi-Werke Ag, 3000 Hannover Hydraulically damped elastic bearing
US4489921A (en) * 1982-10-29 1984-12-25 The Standard Products Company Resilient engine mount
JPS5989844A (en) * 1982-11-13 1984-05-24 Tokai Rubber Ind Ltd Vibration isolating supporter
DE3246205C2 (en) * 1982-12-14 1987-01-08 Boge Gmbh, 5208 Eitorf Hydraulically dampening rubber bearing
DE3246587C2 (en) * 1982-12-16 1986-09-25 Boge Gmbh, 5208 Eitorf Hydraulically damping rubber mount
EP0115174B1 (en) * 1983-01-27 1989-04-19 General Motors Corporation Hydraulic-elastomeric mount
US4611795A (en) * 1983-01-27 1986-09-16 General Motors Corporation Hydraulic-elastomeric mount
JPS59151637A (en) * 1983-02-04 1984-08-30 Toyota Motor Corp Supporting structure for engine/transmission assembled body
US4641817A (en) * 1983-04-05 1987-02-10 Dunlop Limited Vibration absorbing mountings
US4583723A (en) * 1983-06-10 1986-04-22 Toyoda Gosei Co., Ltd. Elastically damping device for suspension of engine
DE3323178C2 (en) * 1983-06-28 1986-11-06 Metzeler Kautschuk GmbH, 8000 München Decoupling membrane for a two-chamber engine mount
DE3474272D1 (en) * 1983-07-22 1988-11-03 Honda Motor Co Ltd Fluid-sealed engine mounting
EP0133588B1 (en) * 1983-08-15 1989-11-08 Bridgestone Corporation Vibration isolating device and system
DE3330462C2 (en) * 1983-08-24 1986-11-06 Fa. Carl Freudenberg, 6940 Weinheim Hydraulically damped engine mount
DE3339054C1 (en) * 1983-10-28 1984-10-18 Daimler-Benz Ag, 7000 Stuttgart Elastic bearing with hydraulic damping
GB2149880B (en) * 1983-11-12 1987-05-28 Dunlop Ltd Vibration absorbing mountings
US4588173A (en) * 1983-11-23 1986-05-13 General Motors Corporation Hydraulic-elastomeric mount
DE3342300A1 (en) * 1983-11-23 1985-05-30 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart HYDRAULICALLY DAMPED TWO-CHAMBER BEARING
EP0147242B1 (en) * 1983-12-28 1991-09-25 Bridgestone Corporation Vibration isolating devices
DE3402715A1 (en) * 1984-01-26 1985-08-01 Metzeler Kautschuk GmbH, 8000 München TWO-CHAMBER ENGINE MOUNT WITH HYDRAULIC DAMPING
JPS60184737A (en) * 1984-02-21 1985-09-20 Honda Motor Co Ltd Hydraulic mount
DE3436534A1 (en) * 1984-03-01 1986-04-10 Continental Gummi-Werke Ag, 3000 Hannover Hydraulically damped elastic bearing, especially for the propulsion engine in motor vehicles
DE3407553A1 (en) * 1984-03-01 1985-09-05 Continental Gummi-Werke Ag, 3000 Hannover HYDRAULIC DAMPED ELASTIC BEARING IN PARTICULAR FOR THE DRIVE ENGINE IN MOTOR VEHICLES
DE3416431C2 (en) * 1984-05-04 1986-07-31 Boge Gmbh, 5208 Eitorf Hydraulically damping rubber mount
JPS60234144A (en) * 1984-05-03 1985-11-20 Toyoda Gosei Co Ltd Liquid encapsulated vibro-preventive device
DE3421119C1 (en) * 1984-06-07 1985-12-05 Metzeler Kautschuk GmbH, 8000 München Two-chamber engine mount with hydraulic damping
JPS6155427A (en) * 1984-08-27 1986-03-19 Bridgestone Corp Vibration isolator
JPH0754131B2 (en) * 1984-09-07 1995-06-07 株式会社ブリヂストン Anti-vibration device
JPS6196229A (en) * 1984-10-16 1986-05-14 Nissan Motor Co Ltd Liquid enclosing type vibro-isolating body
FR2575253B1 (en) * 1984-12-24 1989-08-18 Hutchinson HYDRAULIC ANTIVIBRATORY SUPPORT
FR2577641B1 (en) * 1985-02-15 1989-05-05 Hutchinson IMPROVEMENTS ON HYDRAULIC ANTIVIBRATORY SUPPORTS
CA1250824A (en) * 1985-02-28 1989-03-07 General Motors Corporation Hydraulic-elastomeric mount
DE3522482A1 (en) 1985-06-22 1987-01-15 Freudenberg Carl Fa HYDRAULIC DAMPING ENGINE MOUNT
JPS629043A (en) * 1985-07-05 1987-01-17 Toyota Motor Corp Vibration damping rubber device
JPS629042A (en) * 1985-07-05 1987-01-17 Toyota Motor Corp Vibration absorbing rubber device
JPS629041A (en) * 1985-07-05 1987-01-17 Toyota Motor Corp Vibration absorbing rubber device
JPH0225947Y2 (en) * 1985-09-26 1990-07-16
US4679777A (en) * 1985-10-07 1987-07-14 General Motors Corporation Hydraulic-elastomeric mount displacement decoupler
US4664363A (en) * 1985-10-07 1987-05-12 General Motors Corporation Hydraulic-elastomeric mount displacement decoupler
FR2595426B2 (en) * 1986-01-22 1989-09-15 Peugeot HYDRO-ELASTIC ARTICULATION
FR2593868B1 (en) * 1986-01-30 1990-01-19 Peugeot HYDROELASTIC SHOCK WITH CENTRAL SUSPENSION, PARTICULARLY FOR THE SUSPENSION OF A MOTOR VEHICLE DRIVE UNIT
US4753422A (en) * 1986-01-30 1988-06-28 Thorn Richard P Quiet acting low friction decouplers for fluid filled vibration isolators
FR2594923B1 (en) * 1986-02-25 1989-12-08 Peugeot HYDROELASTIC SUPPORT, ESPECIALLY FOR A VEHICLE ENGINE
JPS62215141A (en) * 1986-03-14 1987-09-21 Bridgestone Corp Vibration isolating device
JPS62288741A (en) * 1986-06-06 1987-12-15 Tokai Rubber Ind Ltd Mounting device for power unit
DE3621466A1 (en) * 1986-06-26 1988-01-07 Fraunhofer Ges Forschung Shock absorber
US4861006A (en) * 1986-09-16 1989-08-29 Bridgestone Corporation Anti-vibration apparatus
DE3641006A1 (en) * 1986-12-01 1988-06-16 Continental Gummi Werke Ag Undamped flexible mount with end stops
FR2609766B1 (en) 1987-01-20 1989-05-19 Peugeot ELASTIC SUPPORT, IN PARTICULAR FOR THE SUSPENSION OF A VEHICLE ENGINE
IT1206855B (en) * 1987-01-21 1989-05-11 Itt Ind Riunite Srl ANTI-VIBRATION ELASTIC SUPPORT WITH HYDRAULIC DAMPING, PARTICULARLY FOR ALTERNATIVE ENGINES
US4783063A (en) * 1987-01-30 1988-11-08 General Motors Corporation Hydraulic-elastomeric mount displacement decoupler
FR2613799B1 (en) * 1987-04-13 1990-12-07 Peugeot HYDROELASTIC SUPPORT, IN PARTICULAR FOR THE SUSPENSION OF A VEHICLE ENGINE
FR2617930B1 (en) 1987-07-07 1992-07-31 Peugeot HYDROELASTIC SUPPORT, IN PARTICULAR FOR PROVIDING THE SUSPENSION OF AN ENGINE IN A VEHICLE
JPH06100243B2 (en) * 1987-08-21 1994-12-12 東海ゴム工業株式会社 Fluid-filled mounting device
US4915365A (en) * 1987-09-04 1990-04-10 The Standard Products Company Elastomeric engine mount with hydraulic damping
DE3805761A1 (en) * 1988-02-24 1989-09-07 Daimler Benz Ag HYDRAULIC DAMPING RUBBER BEARING
FR2628496B1 (en) 1988-03-08 1990-12-21 Peugeot ELASTIC CONNECTION WITH HYDRAULIC RIGIDIFICATION
FR2632696B1 (en) * 1988-06-09 1993-10-01 Hutchinson IMPROVEMENTS IN HYDRAULIC ANTI-VIBRATION DEVICES
US4895353A (en) * 1988-06-28 1990-01-23 The Pullman Company Fluid filled elastomeric damping device
DE3917586C1 (en) * 1989-05-30 1990-12-20 Metzeler Gmbh, 8000 Muenchen, De
GB2237355A (en) * 1989-10-27 1991-05-01 Draftex Ind Ltd A hydroelastic support
US5040774A (en) * 1990-04-09 1991-08-20 The Pullman Company Hydraulic damping bushing
JP2799953B2 (en) * 1993-07-06 1998-09-21 山下ゴム株式会社 Liquid ring vibration isolator
US5772189A (en) * 1995-06-15 1998-06-30 Yamashita Rubber Kabuskiki Kaisha Antivibration rubber device
GB2338996B (en) * 1998-06-30 2002-12-24 Draftex Ind Ltd Sealing membrane arrangements
JP4392667B2 (en) * 2005-10-05 2010-01-06 東海ゴム工業株式会社 Fluid filled vibration isolator
KR20090129170A (en) * 2008-06-12 2009-12-16 평화산업주식회사 Air damping engine mount
DE102010048259A1 (en) * 2010-10-12 2012-05-10 Volkswagen Ag Hydraulically damped bearing i.e. aggregate bearing, for motor car, has intermediate plate for clearing and decoupling high-frequency, small-amplitude vibrations fastened at housing and connected to housing in liquid-tight manner

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2387066A (en) * 1944-03-22 1945-10-16 Edmund J Lada Mount support
DE945899C (en) * 1952-01-19 1956-07-19 Friedrich Stuebbe Hollow fluid spring with self-damping, especially for vehicles
FR1549300A (en) * 1966-09-02 1968-12-13
FR2356847A1 (en) * 1976-06-30 1978-01-27 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2372351A2 (en) * 1976-11-26 1978-06-23 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2375501A2 (en) * 1976-12-21 1978-07-21 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2384999A2 (en) * 1977-03-23 1978-10-20 Boge Gmbh
FR2389801A2 (en) * 1977-05-05 1978-12-01 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2448664A1 (en) * 1979-02-09 1980-09-05 Gomma Antivibranti Applic SHOCK ABSORBER SUPPORT FOR THE SUSPENSION OF AN OSCILLATING BODY TO A SUPPORTING STRUCTURE, PARTICULARLY FROM THE ENGINE TO THE CHASSIS OF A MOTOR VEHICLE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202388A (en) * 1959-05-05 1965-08-24 Yarrow & Co Ltd Vibration isolators
DE2727244C2 (en) * 1976-06-30 1990-06-21 Automobiles Peugeot, 75116 Paris Rubber spring with liquid filling
DE7712833U1 (en) * 1977-03-23 1977-09-15 Boge Gmbh, 5208 Eitorf Liquid-filled, rubber-elastic engine mounts, in particular for motor vehicles
DE7819605U1 (en) * 1978-06-30 1978-10-26 Boge Gmbh, 5208 Eitorf Two-chamber engine mount

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2387066A (en) * 1944-03-22 1945-10-16 Edmund J Lada Mount support
DE945899C (en) * 1952-01-19 1956-07-19 Friedrich Stuebbe Hollow fluid spring with self-damping, especially for vehicles
FR1549300A (en) * 1966-09-02 1968-12-13
FR2356847A1 (en) * 1976-06-30 1978-01-27 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2372351A2 (en) * 1976-11-26 1978-06-23 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2375501A2 (en) * 1976-12-21 1978-07-21 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2384999A2 (en) * 1977-03-23 1978-10-20 Boge Gmbh
FR2389801A2 (en) * 1977-05-05 1978-12-01 Peugeot Anti-vibration mounting for automobile engine - has internal hydraulic damping to increase stiffness at large amplitudes
FR2448664A1 (en) * 1979-02-09 1980-09-05 Gomma Antivibranti Applic SHOCK ABSORBER SUPPORT FOR THE SUSPENSION OF AN OSCILLATING BODY TO A SUPPORTING STRUCTURE, PARTICULARLY FROM THE ENGINE TO THE CHASSIS OF A MOTOR VEHICLE

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2468794A1 (en) * 1979-11-06 1981-05-08 Tokai Rubber Ind Ltd DAMPING DEVICE FOR MOUNTING MOTORS
FR2481771A1 (en) * 1980-05-02 1981-11-06 Nissan Motor ARRANGEMENT FOR MOUNTING AN ENGINE IN A VEHICLE
US4420060A (en) * 1980-05-02 1983-12-13 Nissan Motor Co., Ltd. Engine mount arrangement
EP0042910A2 (en) * 1980-06-27 1982-01-06 Boge GmbH Mounting with a single hydraulic damping chamber
EP0042910A3 (en) * 1980-06-27 1982-04-21 Boge Gmbh Mounting with a single hydraulic damping chamber
FR2511105A1 (en) * 1981-08-07 1983-02-11 Peugeot ELASTIC BODY, IN PARTICULAR FOR THE SUSPENSION OF A MOTOR VEHICLE
EP0072262A1 (en) * 1981-08-07 1983-02-16 Automobiles Peugeot Elastic mount, particularly for the suspension of a vehicle motor
FR2560326A1 (en) * 1984-02-27 1985-08-30 Hutchinson IMPROVEMENTS ON HYDRAULIC ANTIVIBRATORY SUPPORTS
WO2020074798A1 (en) * 2018-10-12 2020-04-16 Psa Automobiles Sa Inertial hydraulic end-of-travel stop for a motor vehicle suspension
FR3087157A1 (en) * 2018-10-12 2020-04-17 Psa Automobiles Sa HYDRAULIC STOPPER WITH MOTOR VEHICLE SUSPENSION LIMIT SWITCH

Also Published As

Publication number Publication date
IT7949798A0 (en) 1979-07-18
GB2041485A (en) 1980-09-10
SE441120B (en) 1985-09-09
IT1118200B (en) 1986-02-24
JPS55107145A (en) 1980-08-16
DE2905090A1 (en) 1980-08-14
FR2448673B1 (en) 1985-11-22
DE2905090C2 (en) 1987-11-12
SE7903691L (en) 1980-08-11
GB2041485B (en) 1983-09-01

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