EG11746A - A process and device for the manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves - Google Patents

A process and device for the manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves

Info

Publication number
EG11746A
EG11746A EG14675A EG14675A EG11746A EG 11746 A EG11746 A EG 11746A EG 14675 A EG14675 A EG 14675A EG 14675 A EG14675 A EG 14675A EG 11746 A EG11746 A EG 11746A
Authority
EG
Egypt
Prior art keywords
annular
manufacture
double
external wall
wall provided
Prior art date
Application number
EG14675A
Other languages
English (en)
Inventor
R Hegler
W Hegler
Original Assignee
Hegler Wilhelm
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
Priority claimed from DE2413879A external-priority patent/DE2413879C3/de
Priority claimed from DE2413878A external-priority patent/DE2413878C3/de
Application filed by Hegler Wilhelm filed Critical Hegler Wilhelm
Application granted granted Critical
Publication of EG11746A publication Critical patent/EG11746A/xx

Links

EG14675A 1974-03-22 1975-03-22 A process and device for the manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves EG11746A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2413879A DE2413879C3 (de) 1974-03-22 1974-03-22 Vorrichtung zur Herstellung eines doppelwandigen Kunststoffrohrs aus einem gewellten Außenrohr und einem glatten Innenrohr
DE2413878A DE2413878C3 (de) 1974-03-22 1974-03-22 Verfahren zum Herstellen eines doppelwandigen Kunststoffrohrs mit gewellter Außen- und glatter Innenwand und Vorrichtung zur Durchführung dieses Verfahrens

Publications (1)

Publication Number Publication Date
EG11746A true EG11746A (en) 1978-12-31

Family

ID=25766857

Family Applications (1)

Application Number Title Priority Date Filing Date
EG14675A EG11746A (en) 1974-03-22 1975-03-22 A process and device for the manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves

Country Status (9)

Country Link
AR (1) AR207352A1 (enrdf_load_stackoverflow)
BG (1) BG27885A3 (enrdf_load_stackoverflow)
BR (1) BR7501741A (enrdf_load_stackoverflow)
EG (1) EG11746A (enrdf_load_stackoverflow)
FI (1) FI60990C (enrdf_load_stackoverflow)
IL (1) IL46892A (enrdf_load_stackoverflow)
IT (1) IT1034462B (enrdf_load_stackoverflow)
PL (1) PL100947B1 (enrdf_load_stackoverflow)
YU (1) YU67975A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
YU67975A (en) 1982-02-28
FI60990B (fi) 1982-01-29
BG27885A3 (en) 1980-01-15
IT1034462B (it) 1979-09-10
FI750830A7 (enrdf_load_stackoverflow) 1975-09-23
IL46892A (en) 1978-07-31
IL46892A0 (en) 1975-05-22
AR207352A1 (es) 1976-09-30
BR7501741A (pt) 1975-12-23
FI60990C (fi) 1982-05-10
PL100947B1 (pl) 1978-11-30
AU7943675A (en) 1976-09-30

Similar Documents

Publication Publication Date Title
ZA751812B (en) A process and device for the manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves
SE405086B (sv) Anordning for framstellning av dubbelveggiga plastror, vilkas yttervegg er forsedd med korrugeringar och vilkas innervegg er slet
DE2965344D1 (en) Apparatus for the continuous production of finned tubular bodies of synthetic plastics and the corresponding finned tubular bodies
NZ184598A (en) Forming a double-walled plastics tube with a transversely corrugated outer wall
CA1029416A (en) Plastic pipe fitting
CA1019579A (en) Plastics drain pipe and apparatus for producing the same
IL47168A0 (en) Penicillins and cephalosporins and process for producing the same
IL33270A0 (en) Process and apparatus for forming a socket at the end of a pipe of thermoplastic synthetic resin
AT326963B (de) Kunststoffrohr mit querwand und vorrichtung zur herstellung von kunststoffrohren mit querwand
GB1523073A (en) Flexible pipe with a socket section and method of producing the same
GB1545118A (en) Pipes having outer layers of foamed plastics
IL49258A0 (en) A tube of plastics material and method of producing the same
ZA728712B (en) Process and apparatus for the production of flat plastic structures
AT309164B (de) Innen glatter und außen schraubengangförmiger Kunststoffschlauch
IL46478A0 (en) Penicillin and cephalosporin compounds and their production
EG11746A (en) A process and device for the manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves
AU487687B2 (en) A process and device forthe manufacture of double-walled plastics pipes with their external wall provided with annular or helical grooves
ZA757365B (en) Process and apparatus for the manufacture of a plastics tube
GB2021231B (en) Process and apparatus for the production of a synthetic plastic hose provided with a reinforcing spiral
ZA756844B (en) Process for the manufacture of plastics dispersions
GB1549374A (en) Reinforced tube of plastics and a method of manufacturing the same
GB1516123A (en) Process and an installation for the continuous production of tubes
AU8122075A (en) A process and device for the production of blown plastic films
CA952936A (en) Pipe bend sheaths and the production thereof
ZA745529B (en) Tubular film of polyethylene terephthalate and process for the production thereof