AR207352A1 - PROCEDURE AND DEVICE FOR THE MANUFACTURE OF DOUBLE-WALLED PLASTIC MATERIAL TUBES THAT HAVE A CORRUGATED OUTER WALL IN AN ANNULAR OR HELICOIDAL FORM - Google Patents

PROCEDURE AND DEVICE FOR THE MANUFACTURE OF DOUBLE-WALLED PLASTIC MATERIAL TUBES THAT HAVE A CORRUGATED OUTER WALL IN AN ANNULAR OR HELICOIDAL FORM

Info

Publication number
AR207352A1
AR207352A1 AR25797175A AR25797175A AR207352A1 AR 207352 A1 AR207352 A1 AR 207352A1 AR 25797175 A AR25797175 A AR 25797175A AR 25797175 A AR25797175 A AR 25797175A AR 207352 A1 AR207352 A1 AR 207352A1
Authority
AR
Argentina
Prior art keywords
annular
procedure
manufacture
double
wall
Prior art date
Application number
AR25797175A
Other languages
Spanish (es)
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 DE2413878A external-priority patent/DE2413878C3/en
Priority claimed from DE2413879A external-priority patent/DE2413879C3/en
Application filed by Hegler Wilhelm filed Critical Hegler Wilhelm
Application granted granted Critical
Publication of AR207352A1 publication Critical patent/AR207352A1/en

Links

AR25797175A 1974-03-22 1975-01-01 PROCEDURE AND DEVICE FOR THE MANUFACTURE OF DOUBLE-WALLED PLASTIC MATERIAL TUBES THAT HAVE A CORRUGATED OUTER WALL IN AN ANNULAR OR HELICOIDAL FORM AR207352A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2413878A DE2413878C3 (en) 1974-03-22 1974-03-22 Process for producing a double-walled plastic pipe with a corrugated outer wall and a smooth inner wall and a device for carrying out this process
DE2413879A DE2413879C3 (en) 1974-03-22 1974-03-22 Device for the production of a double-walled plastic pipe from a corrugated outer pipe and a smooth inner pipe

Publications (1)

Publication Number Publication Date
AR207352A1 true AR207352A1 (en) 1976-09-30

Family

ID=25766857

Family Applications (1)

Application Number Title Priority Date Filing Date
AR25797175A AR207352A1 (en) 1974-03-22 1975-01-01 PROCEDURE AND DEVICE FOR THE MANUFACTURE OF DOUBLE-WALLED PLASTIC MATERIAL TUBES THAT HAVE A CORRUGATED OUTER WALL IN AN ANNULAR OR HELICOIDAL FORM

Country Status (9)

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

Also Published As

Publication number Publication date
PL100947B1 (en) 1978-11-30
YU67975A (en) 1982-02-28
BG27885A3 (en) 1980-01-15
FI750830A (en) 1975-09-23
IL46892A0 (en) 1975-05-22
FI60990B (en) 1982-01-29
EG11746A (en) 1978-12-31
IL46892A (en) 1978-07-31
AU7943675A (en) 1976-09-30
FI60990C (en) 1982-05-10
BR7501741A (en) 1975-12-23
IT1034462B (en) 1979-09-10

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