IT1133374B - Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni - Google Patents

Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni

Info

Publication number
IT1133374B
IT1133374B IT03570/80A IT357080A IT1133374B IT 1133374 B IT1133374 B IT 1133374B IT 03570/80 A IT03570/80 A IT 03570/80A IT 357080 A IT357080 A IT 357080A IT 1133374 B IT1133374 B IT 1133374B
Authority
IT
Italy
Prior art keywords
gaskets
seats
realization
general
kneading
Prior art date
Application number
IT03570/80A
Other languages
English (en)
Other versions
IT8003570A0 (it
Inventor
Neri Ermes
Original Assignee
Sica Spa
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11109905&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IT1133374(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sica Spa filed Critical Sica Spa
Priority to IT03570/80A priority Critical patent/IT1133374B/it
Publication of IT8003570A0 publication Critical patent/IT8003570A0/it
Priority to EP81830193A priority patent/EP0052581B2/en
Priority to AT81830193T priority patent/ATE12203T1/de
Priority to DE8181830193T priority patent/DE3169422D1/de
Priority to US06/314,222 priority patent/US4395218A/en
Priority to ES1981269241U priority patent/ES269241Y/es
Application granted granted Critical
Publication of IT1133374B publication Critical patent/IT1133374B/it

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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
    • B29C57/02—Belling or enlarging, e.g. combined with forming a groove
    • B29C57/04—Belling or enlarging, e.g. combined with forming a groove using mechanical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/218—Pipe machine: socket forming apparatus

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Gasket Seals (AREA)
  • Joints Allowing Movement (AREA)
IT03570/80A 1980-11-14 1980-11-14 Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni IT1133374B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT03570/80A IT1133374B (it) 1980-11-14 1980-11-14 Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni
EP81830193A EP0052581B2 (en) 1980-11-14 1981-10-14 A mechanical expansion plug for the internal shaping of plastic material tubes in general, particularly for fashioning the seats of gaskets
AT81830193T ATE12203T1 (de) 1980-11-14 1981-10-14 Auf mechanische weise expandierender stopfen zum kalibrieren des innern von kunststoffrohren im allgemeinen, insbesondere zum nacharbeiten von dichtungssitzen.
DE8181830193T DE3169422D1 (en) 1980-11-14 1981-10-14 A mechanical expansion plug for the internal shaping of plastic material tubes in general, particularly for fashioning the seats of gaskets
US06/314,222 US4395218A (en) 1980-11-14 1981-10-23 Mechanical expansion plug for the internal calibration of plastic material tubes in general, particularly for fashioning the seats for gaskets
ES1981269241U ES269241Y (es) 1980-11-14 1981-10-27 Tapon mecanico de expansion para el calibrado interior de tubos de material plastico en general

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT03570/80A IT1133374B (it) 1980-11-14 1980-11-14 Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni

Publications (2)

Publication Number Publication Date
IT8003570A0 IT8003570A0 (it) 1980-11-14
IT1133374B true IT1133374B (it) 1986-07-09

Family

ID=11109905

Family Applications (1)

Application Number Title Priority Date Filing Date
IT03570/80A IT1133374B (it) 1980-11-14 1980-11-14 Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni

Country Status (6)

Country Link
US (1) US4395218A (it)
EP (1) EP0052581B2 (it)
AT (1) ATE12203T1 (it)
DE (1) DE3169422D1 (it)
ES (1) ES269241Y (it)
IT (1) IT1133374B (it)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4430052A (en) * 1982-07-12 1984-02-07 Western Plastics Corporation Belling mandrel assembly
US4533312A (en) * 1982-12-27 1985-08-06 Holdt J W Von Simplified collapsible mold core
ATE129663T1 (de) * 1990-09-01 1995-11-15 Tooler Oy Vorrichtung zum formen von innennuten in kunststoffrohren und kunststoffrohrteilen.
US5788911A (en) * 1993-12-20 1998-08-04 Asahi Kogaku Kogyo Kabushiki Kaisha Method of manufacturing inner gear and method of manufacturing cylindrical product
US5689379A (en) * 1993-12-20 1997-11-18 Asahi Kogaku Kogyo Kabushiki Kaisha Inner gear, cylindrical product with inner gear, mold for inner gear, mold for cylindrical product with inner gear, method of manufacturing inner gear, and method of manufacturing cylindrical product with inner gear
GB2311749B (en) * 1993-12-20 1998-04-22 Asahi Optical Co Ltd Inner gear formed by injection molding and a mold therefor
JP3401335B2 (ja) * 1994-09-29 2003-04-28 ペンタックス株式会社 筒状成形体
DE69902513D1 (de) 1999-03-31 2002-09-19 Sica Spa Verfahren und Vorrichtung zum Formen von stabilen und innen regelmässigen Muffen an Enden von aussenkonturierten Kunststoffrohren
EP1043144B1 (en) 1999-03-31 2002-06-12 SICA S.p.A. Apparatus with multiple operating phases for forming stable and internally regular bell mouth shapes on the terminal junction section of pipes made of thermoplastic material
WO2000074926A1 (en) * 1999-06-08 2000-12-14 S & B Technical Products, Inc. Pipe belling process
ITMI20081022A1 (it) * 2008-06-04 2009-12-05 Invimar S R L Utensile sagomatore perfezionato per elementi tubolari in plastica
DE102012010793A1 (de) * 2012-06-01 2013-12-05 Eads Deutschland Gmbh Umformwerkzeug zum Aufweiten einer Öffnung mit einer Aufweitvorrrichtung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484900A (en) * 1966-05-25 1969-12-23 Chemidus Plastics Ltd Tubing and piping of thermoplastics material
US3677684A (en) * 1969-12-15 1972-07-18 Nat Distillers Chem Corp Apparatus for enlarging an extremity of a plastic pipe
FR2165736B1 (it) * 1971-12-28 1981-08-28 Gaillon Armovyl Ste Indle
DE2331404C3 (de) * 1973-06-20 1980-07-03 Bosshardt + Strasser, Bischofszell (Schweiz) Aufweitdorn zum Formen einer Ringnut in einem, insbesondere aus plastifizierbarem Kunststoff bestehenden Rohr
JPS5167516A (en) * 1974-12-07 1976-06-11 Kubota Ltd Kantsugiteno seiho
AU498702B2 (en) * 1975-03-12 1979-03-22 Sekisui Kagaku Kogyo Kabushiki Kaisha Forming an annular groove ina thermoplastic pipe
AT353475B (de) * 1975-08-05 1979-11-12 Cincinnati Milacron Austria Formwerkzeug
NL7707299A (nl) * 1977-06-30 1979-01-03 Wavin Bv Werkwijze en inrichting voor het vormen van een inwendige, rondlopende groef in een kunststof- buisdeel.
PH16346A (en) * 1978-10-03 1983-09-05 Kubota Ltd Method of forming a socket end on a plastic pipe and a molding device for use of the method

Also Published As

Publication number Publication date
EP0052581B1 (en) 1985-03-20
ES269241U (es) 1983-07-16
DE3169422D1 (en) 1985-04-25
ES269241Y (es) 1984-02-01
EP0052581B2 (en) 1988-03-09
ATE12203T1 (de) 1985-04-15
IT8003570A0 (it) 1980-11-14
EP0052581A1 (en) 1982-05-26
US4395218A (en) 1983-07-26

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961129