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BR9001116A - HYDRAULIC CIRCUIT AND PROCESS FOR TEMPERING STEEL PIPES BY INTERNAL COOLING - Google Patents

HYDRAULIC CIRCUIT AND PROCESS FOR TEMPERING STEEL PIPES BY INTERNAL COOLING

Info

Publication number
BR9001116A
BR9001116A BR9001116A BR9001116A BR9001116A BR 9001116 A BR9001116 A BR 9001116A BR 9001116 A BR9001116 A BR 9001116A BR 9001116 A BR9001116 A BR 9001116A BR 9001116 A BR9001116 A BR 9001116A
Authority
BR
Brazil
Prior art keywords
hydraulic circuit
steel pipes
internal cooling
tempering steel
tempering
Prior art date
Application number
BR9001116A
Other languages
Portuguese (pt)
Inventor
Gerhard Klaus Lipper
Original Assignee
Mannesmann Sa
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 Mannesmann Sa filed Critical Mannesmann Sa
Priority to BR9001116A priority Critical patent/BR9001116A/en
Publication of BR9001116A publication Critical patent/BR9001116A/en

Links

BR9001116A 1990-03-09 1990-03-09 HYDRAULIC CIRCUIT AND PROCESS FOR TEMPERING STEEL PIPES BY INTERNAL COOLING BR9001116A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9001116A BR9001116A (en) 1990-03-09 1990-03-09 HYDRAULIC CIRCUIT AND PROCESS FOR TEMPERING STEEL PIPES BY INTERNAL COOLING

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9001116A BR9001116A (en) 1990-03-09 1990-03-09 HYDRAULIC CIRCUIT AND PROCESS FOR TEMPERING STEEL PIPES BY INTERNAL COOLING

Publications (1)

Publication Number Publication Date
BR9001116A true BR9001116A (en) 1991-10-15

Family

ID=4049086

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9001116A BR9001116A (en) 1990-03-09 1990-03-09 HYDRAULIC CIRCUIT AND PROCESS FOR TEMPERING STEEL PIPES BY INTERNAL COOLING

Country Status (1)

Country Link
BR (1) BR9001116A (en)

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: granting
FG9A Patent or certificate of addition granted
B21A Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law

Free format text: PATENTE EXTINTA EM 09/03/2010