IT1027113B - Procedimento e dispositivo per la fabbricazione di elementi di tenuta ti politetrafilorcetilene e simili - Google Patents

Procedimento e dispositivo per la fabbricazione di elementi di tenuta ti politetrafilorcetilene e simili

Info

Publication number
IT1027113B
IT1027113B IT7067474A IT7067474A IT1027113B IT 1027113 B IT1027113 B IT 1027113B IT 7067474 A IT7067474 A IT 7067474A IT 7067474 A IT7067474 A IT 7067474A IT 1027113 B IT1027113 B IT 1027113B
Authority
IT
Italy
Prior art keywords
polytetraphylorcetylene
procedure
manufacturing
similar
sealing elements
Prior art date
Application number
IT7067474A
Other languages
English (en)
Italian (it)
Original Assignee
Federal Mogul Corp
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
Priority claimed from US00426373A external-priority patent/US3857156A/en
Priority claimed from US523451A external-priority patent/US3929341A/en
Application filed by Federal Mogul Corp filed Critical Federal Mogul Corp
Application granted granted Critical
Publication of IT1027113B publication Critical patent/IT1027113B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0053—Producing sealings
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/021—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing of profiled articles, e.g. hollow or tubular articles, beams
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3244—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with hydrodynamic pumping action
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/328—Manufacturing methods specially adapted for elastic sealings
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
    • B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing With Elastic Sealing Lips (AREA)
  • Gasket Seals (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Sealing Devices (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Forging (AREA)
IT7067474A 1973-12-19 1974-12-18 Procedimento e dispositivo per la fabbricazione di elementi di tenuta ti politetrafilorcetilene e simili IT1027113B (it)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42636573A 1973-12-19 1973-12-19
US00426373A US3857156A (en) 1973-12-19 1973-12-19 Method of making tetrafluoroethylene sealing elements with hydrodynamic action
US523451A US3929341A (en) 1973-12-19 1974-11-13 Method of making polytetrafluoroethylene sealing elements with hydrodynamic action

Publications (1)

Publication Number Publication Date
IT1027113B true IT1027113B (it) 1978-11-20

Family

ID=27411508

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7067474A IT1027113B (it) 1973-12-19 1974-12-18 Procedimento e dispositivo per la fabbricazione di elementi di tenuta ti politetrafilorcetilene e simili

Country Status (8)

Country Link
JP (1) JPS5818895B2 (de)
BR (1) BR7410538D0 (de)
CA (1) CA1032339A (de)
DE (1) DE2460185C2 (de)
ES (3) ES433044A1 (de)
FR (1) FR2255155B1 (de)
GB (2) GB1494215A (de)
IT (1) IT1027113B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2852383C2 (de) * 1978-12-04 1983-06-30 Federal-Mogul Corp., Southfield, Mich. Öldichtung
GB2123903B (en) * 1982-07-09 1985-11-27 Dowty Seals Ltd Seals
US4440405A (en) * 1982-09-29 1984-04-03 Dana Corporation Hydrodynamic shaft seal with continuously divergent seal element
DE3246152C2 (de) * 1982-12-14 1985-01-03 Fa. Carl Freudenberg, 6940 Weinheim Verfahren zur Herstellung eines Wellendichtringes
DE3329386C1 (de) * 1983-08-13 1987-10-01 Fa. Carl Freudenberg, 6940 Weinheim Verfahren zur Herstellung einer Dichtung
JPS60120042A (ja) * 1983-12-01 1985-06-27 Uchiyama Mfg Corp 軸受用密封材の製造方法
JPS60120041A (ja) * 1983-12-01 1985-06-27 Uchiyama Mfg Corp 軸受用密封材の製造方法
US4501431A (en) * 1983-12-19 1985-02-26 Chicago Rawhide Manufacturing Company Composite teflon helix seal
DE3403686A1 (de) * 1984-02-03 1985-08-08 Elring Dichtungswerke Gmbh, 7012 Fellbach Radialwellendichtring
JPH0225973Y2 (de) * 1984-09-28 1990-07-16
JPH0663572B2 (ja) * 1985-12-06 1994-08-22 エヌオーケー株式会社 密封装置の製造方法
JPH06103069B2 (ja) * 1986-02-15 1994-12-14 エヌオーケー株式会社 オイルシールの製造方法
DE3731981A1 (de) * 1987-09-23 1989-04-06 Goetze Ag Verfahren zur herstellung einer dichtmanschette aus polytetrafluorethylen
DE4307964C2 (de) * 1993-03-12 1996-02-01 Bruss Dichtungstechnik Radial-Wellendichtring
EP0615085B2 (de) * 1993-03-12 2000-01-26 Dichtungstechnik G. Bruss GmbH & Co. KG Verfahren zum Herstellen einer Wellenabdichtung
DE4442081C2 (de) * 1994-11-25 1997-07-03 Bruss Dichtungstechnik Dichtung für bewegte Bauteile
DE4442080C2 (de) * 1994-11-25 1997-05-22 Bruss Dichtungstechnik Verfahren zum Herstellen einer Dichtung für bewegte Bauteile und mit dem Verfahren hergestellte Dichtung
DE19501724C1 (de) * 1995-01-20 1996-10-10 Bruss Dichtungstechnik Wellendichtring sowie Verfahren und Vorrichtung zu seiner Herstellung
DE10037017C2 (de) * 2000-07-29 2002-10-02 Zf Sachs Ag Verfahren zur Herstellung einer Flachdichtung
DE102008003896B4 (de) 2008-01-10 2022-08-18 Bayerische Motoren Werke Aktiengesellschaft Kraftfahrzeug mit einem Abdichtelement
DE102014224378A1 (de) * 2014-11-28 2016-06-02 Elringklinger Ag Dichtelement und Verfahren zum Herstellen eines Dichtelements

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2804325A (en) * 1954-07-16 1957-08-27 Gen Motors Corp Fluid seal
US2889163A (en) * 1957-07-26 1959-06-02 Federal Mogul Bower Bearings Oil seals
NL284907A (de) * 1961-11-01
DE1872175U (de) * 1963-03-06 1963-05-16 Goetzewerke Vorrichtung zum abstechen von schlauchringen.
US3275332A (en) * 1964-03-02 1966-09-27 Federal Mogul Corp Oil seal

Also Published As

Publication number Publication date
FR2255155B1 (de) 1978-08-18
ES451078A1 (es) 1977-09-01
DE2460185A1 (de) 1975-07-03
FR2255155A1 (de) 1975-07-18
GB1494214A (en) 1977-12-07
BR7410538D0 (pt) 1975-09-02
JPS5818895B2 (ja) 1983-04-15
JPS50116859A (de) 1975-09-12
DE2460185C2 (de) 1986-03-27
CA1032339A (en) 1978-06-06
GB1494215A (en) 1977-12-07
ES433044A1 (es) 1977-03-01
AU7628174A (en) 1976-06-17
ES451077A1 (es) 1977-08-16

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