FR2340183A1 - PROCESS FOR THE REALIZATION OF A SYMMETRY LEVEL OF REVOLUTION IN SYSTEMS MATTER - Google Patents

PROCESS FOR THE REALIZATION OF A SYMMETRY LEVEL OF REVOLUTION IN SYSTEMS MATTER

Info

Publication number
FR2340183A1
FR2340183A1 FR7702878A FR7702878A FR2340183A1 FR 2340183 A1 FR2340183 A1 FR 2340183A1 FR 7702878 A FR7702878 A FR 7702878A FR 7702878 A FR7702878 A FR 7702878A FR 2340183 A1 FR2340183 A1 FR 2340183A1
Authority
FR
France
Prior art keywords
revolution
realization
symmetry level
matter
systems
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.)
Withdrawn
Application number
FR7702878A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2340183A1 publication Critical patent/FR2340183A1/en
Withdrawn legal-status Critical Current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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/107—Grooves for generating pressure
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2618—Moulds having screw-threaded mould walls
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/026—Sliding-contact bearings for exclusively rotary movement for radial load only with helical grooves in the bearing surface to generate hydrodynamic pressure, e.g. herringbone 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/20—Sliding surface consisting mainly of plastics
    • F16C33/208—Methods of manufacture, e.g. shaping, applying coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Sliding-Contact Bearings (AREA)
FR7702878A 1976-02-03 1977-02-02 PROCESS FOR THE REALIZATION OF A SYMMETRY LEVEL OF REVOLUTION IN SYSTEMS MATTER Withdrawn FR2340183A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7601060A NL7601060A (en) 1976-02-03 1976-02-03 PROCESS FOR THE MANUFACTURE OF A ROTARY SYMMETRIC BEARING OF PLASTIC.

Publications (1)

Publication Number Publication Date
FR2340183A1 true FR2340183A1 (en) 1977-09-02

Family

ID=19825558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702878A Withdrawn FR2340183A1 (en) 1976-02-03 1977-02-02 PROCESS FOR THE REALIZATION OF A SYMMETRY LEVEL OF REVOLUTION IN SYSTEMS MATTER

Country Status (8)

Country Link
JP (1) JPS5294952A (en)
BE (1) BE850984A (en)
DE (1) DE2702302A1 (en)
FR (1) FR2340183A1 (en)
GB (1) GB1575034A (en)
IT (1) IT1077604B (en)
NL (1) NL7601060A (en)
SE (1) SE7700993L (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263626A2 (en) * 1986-10-04 1988-04-13 Schlumberger Industries Limited Displacement transducers
EP0672511A2 (en) * 1994-03-16 1995-09-20 TAKATA (EUROPE) VEHICLE SAFETY TECHNOLOGY GmbH Method for manufacturing a conical pulling element-winding roller for seat belts in motor vehicles as well as winding roller and injection mould for carrying out the method
WO1996037356A1 (en) * 1995-05-24 1996-11-28 Merz & Krell Gmbh & Co. Production of releasable sleeve sections

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58122015U (en) * 1982-02-15 1983-08-19 日本精工株式会社 Hydrodynamic radial bearing
US6078121A (en) 1997-02-21 2000-06-20 Emerson Electric Co. Rotor assembly for a rotating machine
US6025665A (en) * 1997-02-21 2000-02-15 Emerson Electric Co. Rotating machine for use in a pressurized fluid system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439782A (en) * 1944-09-14 1948-04-13 Owens Illinois Glass Co Stripping means for molds
FR1476156A (en) * 1966-04-14 1967-04-07 Becton Dickinson Co Improved device for mounting a needle and a base on a hypodermic assembly and its manufacturing process
GB1213146A (en) * 1966-12-07 1970-11-18 Philips Nv Spring-groove bearing element
US3776676A (en) * 1972-06-26 1973-12-04 M Kessler Insulated runner system for plastic cap molds

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439782A (en) * 1944-09-14 1948-04-13 Owens Illinois Glass Co Stripping means for molds
FR1476156A (en) * 1966-04-14 1967-04-07 Becton Dickinson Co Improved device for mounting a needle and a base on a hypodermic assembly and its manufacturing process
GB1213146A (en) * 1966-12-07 1970-11-18 Philips Nv Spring-groove bearing element
US3776676A (en) * 1972-06-26 1973-12-04 M Kessler Insulated runner system for plastic cap molds

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263626A2 (en) * 1986-10-04 1988-04-13 Schlumberger Industries Limited Displacement transducers
EP0263626A3 (en) * 1986-10-04 1989-06-14 Schlumberger Industries Limited Displacement transducers
EP0672511A2 (en) * 1994-03-16 1995-09-20 TAKATA (EUROPE) VEHICLE SAFETY TECHNOLOGY GmbH Method for manufacturing a conical pulling element-winding roller for seat belts in motor vehicles as well as winding roller and injection mould for carrying out the method
EP0672511A3 (en) * 1994-03-16 1996-08-14 Takata Europ Gmbh Method for manufacturing a conical pulling element-winding roller for seat belts in motor vehicles as well as winding roller and injection mould for carrying out the method.
WO1996037356A1 (en) * 1995-05-24 1996-11-28 Merz & Krell Gmbh & Co. Production of releasable sleeve sections
EP1151838A2 (en) * 1995-05-24 2001-11-07 Merz & Krell GmbH & Co. Removing of Sleeves for Writing Devices
EP1151838A3 (en) * 1995-05-24 2002-07-17 Merz & Krell GmbH & Co. Removing of Sleeves for Writing Devices

Also Published As

Publication number Publication date
NL7601060A (en) 1977-08-05
DE2702302A1 (en) 1977-08-04
GB1575034A (en) 1980-09-17
IT1077604B (en) 1985-05-04
BE850984A (en) 1977-08-01
SE7700993L (en) 1977-08-04
JPS5294952A (en) 1977-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse