BG27885A3 - Method and apparatus for production of two-wall plastic pipes with outside corrugated wall - Google Patents

Method and apparatus for production of two-wall plastic pipes with outside corrugated wall

Info

Publication number
BG27885A3
BG27885A3 BG029302A BG2930275A BG27885A3 BG 27885 A3 BG27885 A3 BG 27885A3 BG 029302 A BG029302 A BG 029302A BG 2930275 A BG2930275 A BG 2930275A BG 27885 A3 BG27885 A3 BG 27885A3
Authority
BG
Bulgaria
Prior art keywords
nozzle
wall
inner tube
mandrel
syringe
Prior art date
Application number
BG029302A
Other languages
Bulgarian (bg)
English (en)
Inventor
Ralph Hegler
Wielhelm Hegler
Original Assignee
Ralph Hegler
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/de
Priority claimed from DE2413879A external-priority patent/DE2413879C3/de
Application filed by Ralph Hegler filed Critical Ralph Hegler
Publication of BG27885A3 publication Critical patent/BG27885A3/xx

Links

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
BG029302A 1974-03-22 1975-03-14 Method and apparatus for production of two-wall plastic pipes with outside corrugated wall BG27885A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
DE2413879A DE2413879C3 (de) 1974-03-22 1974-03-22 Vorrichtung zur Herstellung eines doppelwandigen Kunststoffrohrs aus einem gewellten Außenrohr und einem glatten Innenrohr

Publications (1)

Publication Number Publication Date
BG27885A3 true BG27885A3 (en) 1980-01-15

Family

ID=25766857

Family Applications (1)

Application Number Title Priority Date Filing Date
BG029302A BG27885A3 (en) 1974-03-22 1975-03-14 Method and apparatus for production of two-wall plastic pipes with outside corrugated wall

Country Status (9)

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

Also Published As

Publication number Publication date
FI60990C (fi) 1982-05-10
BR7501741A (pt) 1975-12-23
IL46892A0 (en) 1975-05-22
AU7943675A (en) 1976-09-30
FI750830A7 (OSRAM) 1975-09-23
PL100947B1 (pl) 1978-11-30
FI60990B (fi) 1982-01-29
YU67975A (en) 1982-02-28
IL46892A (en) 1978-07-31
EG11746A (en) 1978-12-31
IT1034462B (it) 1979-09-10
AR207352A1 (es) 1976-09-30

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