IT939763B - FLUID JACK AND ITS APPLICATION TO THE FORMING OF THERMOPLASTIC MATERIALS INTO SHEETS BY DRAWING - Google Patents

FLUID JACK AND ITS APPLICATION TO THE FORMING OF THERMOPLASTIC MATERIALS INTO SHEETS BY DRAWING

Info

Publication number
IT939763B
IT939763B IT69877/71A IT6987771A IT939763B IT 939763 B IT939763 B IT 939763B IT 69877/71 A IT69877/71 A IT 69877/71A IT 6987771 A IT6987771 A IT 6987771A IT 939763 B IT939763 B IT 939763B
Authority
IT
Italy
Prior art keywords
sheets
forming
application
thermoplastic materials
fluid jack
Prior art date
Application number
IT69877/71A
Other languages
Italian (it)
Original Assignee
Gournelle M
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 Gournelle M filed Critical Gournelle M
Application granted granted Critical
Publication of IT939763B publication Critical patent/IT939763B/en

Links

Classifications

    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/38—Opening, closing or clamping means
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • F15B11/0365—Tandem constructions
    • 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
    • F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
    • 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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7055—Linear output members having more than two chambers
    • F15B2211/7056—Tandem cylinders
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/765—Control of position or angle of the output member
    • F15B2211/7653—Control of position or angle of the output member at distinct positions, e.g. at the end position
IT69877/71A 1970-09-08 1971-08-30 FLUID JACK AND ITS APPLICATION TO THE FORMING OF THERMOPLASTIC MATERIALS INTO SHEETS BY DRAWING IT939763B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7032546A FR2112065B1 (en) 1970-09-08 1970-09-08

Publications (1)

Publication Number Publication Date
IT939763B true IT939763B (en) 1973-02-10

Family

ID=9061021

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69877/71A IT939763B (en) 1970-09-08 1971-08-30 FLUID JACK AND ITS APPLICATION TO THE FORMING OF THERMOPLASTIC MATERIALS INTO SHEETS BY DRAWING

Country Status (7)

Country Link
US (1) US3834276A (en)
CH (1) CH549733A (en)
DE (1) DE2144672A1 (en)
ES (1) ES394858A1 (en)
FR (1) FR2112065B1 (en)
GB (1) GB1361449A (en)
IT (1) IT939763B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999465A (en) * 1974-11-01 1976-12-28 Clark Equipment Company Magnet piston retention for free wheeling
US4222309A (en) * 1976-09-07 1980-09-16 Theodore Ongaro Hydraulic power system
US4108195A (en) * 1977-06-23 1978-08-22 Berry Henry K Quick-closing fire gate
US4516473A (en) * 1981-05-07 1985-05-14 Shokestu Kinzoku Kogyo Kabushiki Kaisha Cylinder driving system
DE3214163C1 (en) * 1982-04-17 1983-12-22 Hüller Hille GmbH, 7140 Ludwigsburg Device for reducing the terminal velocity of a cylinder piston
US4641793A (en) * 1985-04-16 1987-02-10 Rieter Machine Works Limited Thread winding machine and method of performing automatic changeover of winding of a thread
US5188016A (en) * 1992-03-25 1993-02-23 Tung Fung Eng Cylinder structure for a pneumatically operated tool
DE19622474C2 (en) * 1996-06-05 1998-04-09 Deutsch Zentr Luft & Raumfahrt High speed actuator
US6071096A (en) * 1997-04-25 2000-06-06 Grasl; Andreas Pneumatic cylinder, in particular for actuating fume extraction valves in fume and heat extraction plants
FR2785338B1 (en) * 1998-10-28 2001-08-10 Aro CYLINDER WITH ELASTIC DEVICE FOR RECALLING A WORKING PISTON ASSEMBLY IN NEUTRAL POSITION
DE10046165B4 (en) 2000-09-19 2005-06-23 Koenig & Bauer Ag actuator
CN101858371B (en) * 2010-05-25 2013-08-21 中航飞机起落架有限责任公司 Actuator cylinder with in-built manual-operated emergent unlocking device
JP5673481B2 (en) * 2011-10-19 2015-02-18 株式会社豊田自動織機 Injection device
JP2019015348A (en) * 2017-07-07 2019-01-31 東京エレクトロン株式会社 Gas cylinder
CN108119347A (en) * 2017-12-19 2018-06-05 浙江强盛压缩机制造有限公司 A kind of double acting control device of air compressor machine off-load cylinder
DE102018126771A1 (en) * 2018-10-26 2020-04-30 Schaeffler Technologies AG & Co. KG Actuator device for a motor vehicle

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US513601A (en) * 1894-01-30 Mechanism foe conteolling engines
US2790424A (en) * 1953-10-05 1957-04-30 Leo V Giladett Pressure change responsive motor with shear wire
US2866442A (en) * 1954-08-26 1958-12-30 Nat Pneumatic Co Inc Pressure motor with piston cushioning and speed control means
US2945677A (en) * 1956-11-08 1960-07-19 Jr Archer W Kammerer Hydraulic weight compensating apparatus for well bore devices
US2987050A (en) * 1957-04-29 1961-06-06 Sperry Rand Corp Compensated flow control valve
US2984529A (en) * 1959-01-26 1961-05-16 Baldwin Rubber Co Unitary sealed piston
US3023740A (en) * 1960-05-25 1962-03-06 Fairchild Stratos Corp Delayed pneumatic actuator
US3182561A (en) * 1960-10-03 1965-05-11 Bendix Corp Pneumatically operated servomechanism
US3027876A (en) * 1960-12-05 1962-04-03 Strick Rudolf Paul Fluid motor with sequence valve
US3082745A (en) * 1961-08-23 1963-03-26 Gen Motors Corp Power brake booster control valve mechanism
US3230838A (en) * 1963-11-14 1966-01-25 Beloit Corp Dual lock positioning cylinder
US3605553A (en) * 1969-05-05 1971-09-20 Pier Luigi Panigati Pressure fluid operated cylinder

Also Published As

Publication number Publication date
FR2112065B1 (en) 1974-04-26
DE2144672A1 (en) 1972-03-09
CH549733A (en) 1974-05-31
ES394858A1 (en) 1975-04-16
GB1361449A (en) 1974-07-24
US3834276A (en) 1974-09-10
FR2112065A1 (en) 1972-06-16

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