DE3169422D1 - A mechanical expansion plug for the internal shaping of plastic material tubes in general, particularly for fashioning the seats of gaskets - Google Patents
A mechanical expansion plug for the internal shaping of plastic material tubes in general, particularly for fashioning the seats of gasketsInfo
- Publication number
- DE3169422D1 DE3169422D1 DE8181830193T DE3169422T DE3169422D1 DE 3169422 D1 DE3169422 D1 DE 3169422D1 DE 8181830193 T DE8181830193 T DE 8181830193T DE 3169422 T DE3169422 T DE 3169422T DE 3169422 D1 DE3169422 D1 DE 3169422D1
- Authority
- DE
- Germany
- Prior art keywords
- fashioning
- gaskets
- seats
- general
- plastic material
- 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.)
- Expired
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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Gasket Seals (AREA)
- Joints Allowing Movement (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
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 (1)
Publication Number | Publication Date |
---|---|
DE3169422D1 true DE3169422D1 (en) | 1985-04-25 |
Family
ID=11109905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8181830193T Expired 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 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4395218A (de) |
EP (1) | EP0052581B2 (de) |
AT (1) | ATE12203T1 (de) |
DE (1) | DE3169422D1 (de) |
ES (1) | ES269241Y (de) |
IT (1) | IT1133374B (de) |
Families Citing this family (12)
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. |
GB2311749B (en) * | 1993-12-20 | 1998-04-22 | Asahi Optical Co Ltd | Inner gear formed by injection molding and a mold therefor |
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 |
US5788911A (en) * | 1993-12-20 | 1998-08-04 | Asahi Kogaku Kogyo Kabushiki Kaisha | Method of manufacturing inner gear and method of manufacturing cylindrical product |
JP3401335B2 (ja) * | 1994-09-29 | 2003-04-28 | ペンタックス株式会社 | 筒状成形体 |
PT1043144E (pt) | 1999-03-31 | 2002-11-29 | Sica Spa | Dispositivo com fases operatorias multiplas para dar formas em bocas de sino estaveis e internamente regulares na seccao terminal da juncao de tubos de material termoplastico |
EP1043143B1 (de) | 1999-03-31 | 2002-08-14 | SICA S.p.A. | Verfahren und Vorrichtung zum Formen von stabilen und innen regelmässigen Muffen an Enden von aussenkonturierten Kunststoffrohren |
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)
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 (de) * | 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 |
-
1980
- 1980-11-14 IT IT03570/80A patent/IT1133374B/it active
-
1981
- 1981-10-14 EP EP81830193A patent/EP0052581B2/de not_active Expired
- 1981-10-14 DE DE8181830193T patent/DE3169422D1/de not_active Expired
- 1981-10-14 AT AT81830193T patent/ATE12203T1/de not_active IP Right Cessation
- 1981-10-23 US US06/314,222 patent/US4395218A/en not_active Expired - Lifetime
- 1981-10-27 ES ES1981269241U patent/ES269241Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1133374B (it) | 1986-07-09 |
ATE12203T1 (de) | 1985-04-15 |
IT8003570A0 (it) | 1980-11-14 |
EP0052581B1 (de) | 1985-03-20 |
US4395218A (en) | 1983-07-26 |
ES269241U (es) | 1983-07-16 |
ES269241Y (es) | 1984-02-01 |
EP0052581B2 (de) | 1988-03-09 |
EP0052581A1 (de) | 1982-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings |