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
(xx)
*
|
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
(xx)
*
|
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
|
US4277231A
(en)
*
|
1979-09-21 |
1981-07-07 |
Gordon John H |
Method and apparatus for pressure forming pipe bells
|
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
|
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
|