DK90349C - Method for manufacturing a concrete pipe, which is externally surrounded by a casing of steel sheet metal. - Google Patents

Method for manufacturing a concrete pipe, which is externally surrounded by a casing of steel sheet metal.

Info

Publication number
DK90349C
DK90349C DK29057A DK29057A DK90349C DK 90349 C DK90349 C DK 90349C DK 29057 A DK29057 A DK 29057A DK 29057 A DK29057 A DK 29057A DK 90349 C DK90349 C DK 90349C
Authority
DK
Denmark
Prior art keywords
casing
manufacturing
steel sheet
sheet metal
concrete pipe
Prior art date
Application number
DK29057A
Other languages
Danish (da)
Original Assignee
Dyckerhoff & Widmann Ag
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 Dyckerhoff & Widmann Ag filed Critical Dyckerhoff & Widmann Ag
Application granted granted Critical
Publication of DK90349C publication Critical patent/DK90349C/en

Links

DK29057A 1956-01-25 1957-01-24 Method for manufacturing a concrete pipe, which is externally surrounded by a casing of steel sheet metal. DK90349C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE90349X 1956-01-25

Publications (1)

Publication Number Publication Date
DK90349C true DK90349C (en) 1961-01-30

Family

ID=28797928

Family Applications (1)

Application Number Title Priority Date Filing Date
DK29057A DK90349C (en) 1956-01-25 1957-01-24 Method for manufacturing a concrete pipe, which is externally surrounded by a casing of steel sheet metal.

Country Status (1)

Country Link
DK (1) DK90349C (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1040451A (en) * 1951-08-09 1953-10-15 Cie De Pont A Mousson Pipe of concrete or similar material, process and apparatus for its manufacture
DK17191A (en) * 1988-08-01 1991-01-31 Henkel Kgaa PROCEDURE FOR DOSING POSITIVE DETERGENTS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1040451A (en) * 1951-08-09 1953-10-15 Cie De Pont A Mousson Pipe of concrete or similar material, process and apparatus for its manufacture
DK17191A (en) * 1988-08-01 1991-01-31 Henkel Kgaa PROCEDURE FOR DOSING POSITIVE DETERGENTS

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