NO129390B - - Google Patents

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Publication number
NO129390B
NO129390B NO00168285A NO16828567A NO129390B NO 129390 B NO129390 B NO 129390B NO 00168285 A NO00168285 A NO 00168285A NO 16828567 A NO16828567 A NO 16828567A NO 129390 B NO129390 B NO 129390B
Authority
NO
Norway
Prior art keywords
pressure
ring
mandrel
rudder
stated
Prior art date
Application number
NO00168285A
Other languages
English (en)
Norwegian (no)
Inventor
D Sands
R Broome
Original Assignee
Chem Plastics Ltd
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=10193148&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO129390(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB23282/66A external-priority patent/GB1124930A/en
Application filed by Chem Plastics Ltd filed Critical Chem Plastics Ltd
Publication of NO129390B publication Critical patent/NO129390B/no

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
    • B29C57/06—Belling or enlarging, e.g. combined with forming a groove using mechanical means elastically deformable

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
NO00168285A 1966-05-25 1967-05-24 NO129390B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23282/66A GB1124930A (en) 1966-05-25 1966-05-25 Improvements relating to tubing and piping of thermoplastics material

Publications (1)

Publication Number Publication Date
NO129390B true NO129390B (da) 1974-04-08

Family

ID=10193148

Family Applications (1)

Application Number Title Priority Date Filing Date
NO00168285A NO129390B (da) 1966-05-25 1967-05-24

Country Status (9)

Country Link
US (1) US3484900A (da)
AT (1) AT302641B (da)
BE (1) BE698742A (da)
CY (1) CY619A (da)
DK (1) DK125456B (da)
ES (1) ES340905A1 (da)
MY (1) MY6900190A (da)
NO (1) NO129390B (da)
SE (1) SE311224B (da)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991150A (en) * 1969-09-04 1976-11-09 Industriele Onderneming Wavin N.V. Method for forming a plastic pipe
BE755347A (fr) * 1969-09-04 1971-02-01 Wavin Bv Werkwijze voor het vervormen van een kunststofbuis onder aanbrengen vaneen of meer inwendige groeven
US3723043A (en) * 1969-12-16 1973-03-27 Mueller Co Tool for making service pipe coupling joint
US3708253A (en) * 1970-09-01 1973-01-02 J Lemelson Extrusion apparatus
NO126208B (da) * 1970-10-22 1973-01-08 Lyng Ind As
US3861847A (en) * 1971-03-25 1975-01-21 Louis H Barnett Automated bending and belling of plastic pipe
US3857666A (en) * 1973-04-09 1974-12-31 L Barnett Apparatus for belling ends of conduit or the like
DK127176B (da) * 1972-02-09 1973-10-01 Pedershaab Maskinfabrik As Støttering til nystøbte rør af beton eller lignende materiale under hærdning.
JPS4899253A (da) * 1972-03-30 1973-12-15
US3825392A (en) * 1972-08-14 1974-07-23 Dickey W Clay Mfg Co Apparatus for forming pipe coupling
US4034057A (en) * 1973-04-05 1977-07-05 Polva-Nederland B.V. Method of shaping a bell end on thermoplastic pipe
US3998578A (en) * 1973-04-05 1976-12-21 Polva-Nederland B.V. Mandril for shaping a bell end on a pipe of thermo-plastic material
US3899280A (en) * 1973-06-05 1975-08-12 Cretex Co Inc Swaging unit for thermoplastic pipe
US3867084A (en) * 1973-07-30 1975-02-18 Miller Mold Company Adjustable mold
US3960472A (en) * 1973-08-06 1976-06-01 Johns-Manville Corporation Belling assembly and method of forming a bell end
US3901640A (en) * 1973-12-03 1975-08-26 Dow Chemical Co Expandable forming plug
US4157933A (en) * 1974-05-28 1979-06-12 Dunlop Limited Tire tread molding apparatus
US3966384A (en) * 1974-07-22 1976-06-29 Maier Johann H Machine for the thermal expansion of rigid plastic tubing
US4044092A (en) * 1974-11-29 1977-08-23 Wayne Spears Groove molding method
US4021180A (en) * 1974-12-20 1977-05-03 Standard Oil Company (Indiana) Collapsible core
GB1520025A (en) * 1975-08-07 1978-08-02 Product Design & Eng Inc Apparatus and method of shaping the ends of tubular blanks to form tampon ejector tubes
US4102623A (en) * 1977-04-29 1978-07-25 Product Design & Engineering Inc. Device for forming an annular raised rib on a tubular member
IT1117968B (it) * 1977-06-21 1986-02-24 Sica Spa Dispositivo per la formazione della sede per guarnizione negli innesti a manicotto dei tubi in plastica formato da doppio anello elastico corazzato a espansione pneumatica e controllo meccanico delle dimensioni esterne
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.
US4238180A (en) * 1979-01-08 1980-12-09 John H. Gordon Mandrel with identical expanding segments
US4266926A (en) * 1979-09-21 1981-05-12 Gordon John H Pipe belling with external fluid pressure
US4353860A (en) * 1979-09-21 1982-10-12 Gordon John H Method for pressure forming pipe bells
US4277231A (en) * 1979-09-21 1981-07-07 Gordon John H Method and apparatus for pressure forming pipe bells
US4315630A (en) * 1980-05-30 1982-02-16 Johns-Manville Corporation Sealing ring for spigot and socket pipe joint
IT1133374B (it) * 1980-11-14 1986-07-09 Sica Spa Tampone meccanico ad espansione per la calibratura interna di tubi in materia plastica in genere,in particolare per la realizzazione di sedi per guarnizioni
DE3734343A1 (de) * 1987-10-10 1989-04-27 Bayer Ag Hohlprofil, insbesondere rohr, aus langfaserverstaerktem kunststoff und verfahren zur herstellung dieses hohlprofils
US7128558B2 (en) * 2002-08-09 2006-10-31 The Boeing Company Post-forming of thermoplastic ducts
SE531433C2 (sv) * 2007-08-28 2009-04-07 Abb Technology Ag Anordning för att expandera en rörformig elastisk kropp
DE102017215968A1 (de) * 2017-09-11 2019-03-14 Multivac Sepp Haggenmüller Se & Co. Kg Formstation mit im Formstempel integriertem Eindrücker und Verfahren

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3160920A (en) * 1964-12-15 Apparatus for forming plastic containers
US729099A (en) * 1901-05-22 1903-05-26 Joseph K Smith Manufacture of pipes.
US2458854A (en) * 1945-01-10 1949-01-11 Parker Appliance Co Machine for beading tubes by radial expansion followed by axial pressure
US2728127A (en) * 1953-10-28 1955-12-27 George T Armstrong Anchoring device for concrete forms
US3205535A (en) * 1961-02-25 1965-09-14 Kunstoffwerk Gebruder Anger G Apparatus for shaping the end of a tube
US3341894A (en) * 1963-11-20 1967-09-19 Phillips Petroleum Co Flaring plastic pipe ends

Also Published As

Publication number Publication date
BE698742A (da) 1967-11-03
ES340905A1 (es) 1968-06-16
DE1679970A1 (de) 1971-04-22
DE1679970B2 (de) 1974-08-15
MY6900190A (en) 1969-12-31
AT302641B (de) 1972-09-15
DK125456B (da) 1973-02-26
CY619A (en) 1971-10-27
US3484900A (en) 1969-12-23
SE311224B (da) 1969-06-02

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