IT7850798A0 - Perfezionamento nei giunti per tubidi materiale plastico ed apparecchio e procedimento per la loro fabbricazione - Google Patents

Perfezionamento nei giunti per tubidi materiale plastico ed apparecchio e procedimento per la loro fabbricazione

Info

Publication number
IT7850798A0
IT7850798A0 IT7850798A IT5079878A IT7850798A0 IT 7850798 A0 IT7850798 A0 IT 7850798A0 IT 7850798 A IT7850798 A IT 7850798A IT 5079878 A IT5079878 A IT 5079878A IT 7850798 A0 IT7850798 A0 IT 7850798A0
Authority
IT
Italy
Prior art keywords
joints
improvement
procedure
manufacture
equipment
Prior art date
Application number
IT7850798A
Other languages
English (en)
Other versions
IT1105507B (it
Original Assignee
Johns Manville
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 Johns Manville filed Critical Johns Manville
Publication of IT7850798A0 publication Critical patent/IT7850798A0/it
Application granted granted Critical
Publication of IT1105507B publication Critical patent/IT1105507B/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
    • B29C57/025—Belling or enlarging, e.g. combined with forming a groove combined with the introduction of a sealing ring, e.g. using the sealing element as forming element
    • 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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Joints With Pressure Members (AREA)
  • Joints With Sleeves (AREA)
  • Packaging For Recording Disks (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
IT50798/78A 1977-08-22 1978-08-21 Perfezionamento nei giunti per tubi di materiale plastico ed apparecchio e procedimento per la loro fabbricazione IT1105507B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/826,586 US4170448A (en) 1977-08-22 1977-08-22 Assembly for forming the bell of a bell spigot joint

Publications (2)

Publication Number Publication Date
IT7850798A0 true IT7850798A0 (it) 1978-08-21
IT1105507B IT1105507B (it) 1985-11-04

Family

ID=25246977

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50798/78A IT1105507B (it) 1977-08-22 1978-08-21 Perfezionamento nei giunti per tubi di materiale plastico ed apparecchio e procedimento per la loro fabbricazione

Country Status (24)

Country Link
US (1) US4170448A (it)
JP (1) JPS5463425A (it)
AR (1) AR219545A1 (it)
AU (1) AU3883278A (it)
BE (1) BE869797A (it)
BR (1) BR7805417A (it)
CA (1) CA1112414A (it)
DD (1) DD138355A1 (it)
DE (1) DE2836035A1 (it)
DK (1) DK369578A (it)
ES (2) ES472720A1 (it)
FI (1) FI782556A (it)
FR (1) FR2401010A1 (it)
GB (1) GB2003785A (it)
GR (1) GR73522B (it)
IL (1) IL55339A (it)
IN (1) IN149076B (it)
IT (1) IT1105507B (it)
LU (1) LU80127A1 (it)
NL (1) NL7808568A (it)
NO (1) NO782834L (it)
PL (1) PL209158A1 (it)
SE (1) SE7808790L (it)
ZA (1) ZA784520B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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.
NZ189864A (en) * 1978-03-20 1983-02-15 Hardie & Co Pty Ltd J Pipe socket rotating expanding trowells on mandrel form pipe against die
US4379115A (en) * 1978-03-20 1983-04-05 James Hardie & Coy, Pty. Limited Pipe socket forming
EP0013040A1 (fr) * 1978-12-12 1980-07-09 Polva-Nederland B.V. Procédé pour la réalisation de pièces de couplage en matière thermoplastique et dispositif pour sa réalisation
AT376605B (de) * 1981-09-14 1984-12-10 Schnallinger Helfried Ing Verfahren und vorrichtung zum herstellen von muffen od. dgl.
US4643658A (en) * 1984-09-26 1987-02-17 Gordon John H Expanding mandrel
US6199592B1 (en) * 1999-02-05 2001-03-13 Hancor, Inc. Pipe structure and method of manufacture
US6578882B2 (en) 2000-11-10 2003-06-17 Hancor, Inc. Corrugated pipe structure
US6948718B2 (en) * 2003-02-03 2005-09-27 Advanced Drainage Systems, Inc. Gasket
NZ588879A (en) * 2008-05-30 2012-07-27 Contech Engineered Solutions LLC A plastic pipe joint spigot member with metal insert that engages with a bell end structure and contains solid ribs and a gasket

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1377324A (fr) * 1963-07-24 1964-11-06 Ct De Rech S De Pont A Mousson Procédé et dispositif pour former un emboîtement à l'extrémité d'un tuyau et tuyau en résultant
US3432887A (en) * 1967-01-12 1969-03-18 Phillips Petroleum Co Molding
GB1326932A (en) * 1969-09-04 1973-08-15 Wavin Bv Method and apparatus for manufacturing pipe ends provided with an extreme end having an enlarged thickness of wall
GB1324399A (en) * 1970-08-28 1973-07-25 Wavin Bv Method and a device for producing a plastic pipe with an annular groove
GB1321273A (en) * 1970-10-22 1973-06-27 Chemidus Wavin Ltd Method and apparatus for forming peripheral grooves in pipes
US3776682A (en) * 1971-04-26 1973-12-04 Rieber & Son Plastic Ind As Apparatus for producing radially-expanded socket ends on thermoplastic pipe lengths
US3749543A (en) * 1971-06-21 1973-07-31 Asc Ind Inc Apparatus for forming belled pipe couplings
DE2200874A1 (de) * 1971-07-19 1973-08-30 Aristovoulos George Petzetakis Verfahren und vorrichtung zum anbringen von innenkalibrierten einsteckmuffen mit dichtungsmittelsicke an rohren aus thermoplastischem kunststoff
US3755528A (en) * 1971-09-13 1973-08-28 Anger Kunststoff Method for making tubular articles from a thermoplastic material
NL156956B (nl) * 1972-04-19 1978-06-15 Wavin Bv Werkwijze en inrichting voor het vormen van een kunststofbuis met een van een rondlopende inwendige groef voorzien verdikt mofeinde.
US3849052A (en) * 1973-07-19 1974-11-19 J Gordon Pipe belling machine
NL180699C (nl) * 1973-11-02 1987-04-01 Kubota Ltd Mofpijpverbinding met afdichtring.
US3966385A (en) * 1973-12-07 1976-06-29 Wayne Spears Apparatus for forming a groove in a tube
US3949045A (en) * 1974-02-22 1976-04-06 Hess William L Extruded pipe coupling and method and apparatus for forming
NL7408628A (en) * 1974-06-26 1975-12-30 Wavin Bv Tube with grooved socket end prodn - by injection moulding tube with cylindrical end, and deforming cylindrical end in mould
AU498874B2 (en) * 1974-09-02 1979-03-29 Rieber + Son A/S Moulding a pipe end socket
US4065243A (en) * 1975-02-28 1977-12-27 Polva Nederland B.V. Apparatus for forming a thickened bell end on thermoplastic pipe
JPS59366B2 (ja) * 1975-08-19 1984-01-06 株式会社クボタ ゴウセイジユシセイケイヨウカナガタ
JPS6045052B2 (ja) * 1976-06-23 1985-10-07 株式会社クボタ 拡径受口の成形法
US4059379A (en) * 1976-08-26 1977-11-22 Emery Company, Inc. Method of belling plastic pipe and apparatus therefor

Also Published As

Publication number Publication date
US4170448A (en) 1979-10-09
NO782834L (no) 1979-02-23
IT1105507B (it) 1985-11-04
GR73522B (it) 1984-03-09
SE7808790L (sv) 1979-02-23
FR2401010A1 (fr) 1979-03-23
BE869797A (fr) 1979-02-19
FI782556A (fi) 1979-02-23
JPS5463425A (en) 1979-05-22
LU80127A1 (fr) 1979-05-15
IN149076B (it) 1981-09-05
DK369578A (da) 1979-02-23
DE2836035A1 (de) 1979-03-15
CA1112414A (en) 1981-11-17
NL7808568A (nl) 1979-02-26
ES472720A1 (es) 1979-10-16
IL55339A0 (en) 1978-10-31
AR219545A1 (es) 1980-08-29
ZA784520B (en) 1979-08-29
AU3883278A (en) 1980-02-14
DD138355A1 (de) 1979-10-24
BR7805417A (pt) 1979-03-27
FR2401010B1 (it) 1980-06-20
PL209158A1 (pl) 1979-07-02
GB2003785A (en) 1979-03-21
ES478012A1 (es) 1980-05-16
IL55339A (en) 1980-10-26

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