IT1220117B - Straightening complex sections - Google Patents

Straightening complex sections

Info

Publication number
IT1220117B
IT1220117B IT83467/87A IT8346787A IT1220117B IT 1220117 B IT1220117 B IT 1220117B IT 83467/87 A IT83467/87 A IT 83467/87A IT 8346787 A IT8346787 A IT 8346787A IT 1220117 B IT1220117 B IT 1220117B
Authority
IT
Italy
Prior art keywords
assembly
straightening
straightener
finishing
assemblies
Prior art date
Application number
IT83467/87A
Other languages
Italian (it)
Other versions
IT8783467A0 (en
Inventor
Fabro Marcello Del
Fabro Giorgio Del
Original Assignee
Piegatrici Macch Elettr
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 Piegatrici Macch Elettr filed Critical Piegatrici Macch Elettr
Priority to IT83467/87A priority Critical patent/IT1220117B/en
Publication of IT8783467A0 publication Critical patent/IT8783467A0/en
Priority to EP87202107A priority patent/EP0269157B1/en
Priority to ES198787202107T priority patent/ES2029684T3/en
Priority to AT87202107T priority patent/ATE72150T1/en
Priority to DE8787202107T priority patent/DE3776505D1/en
Priority to US07/125,005 priority patent/US4876873A/en
Priority to US07/386,769 priority patent/US5035130A/en
Application granted granted Critical
Publication of IT1220117B publication Critical patent/IT1220117B/en
Priority to GR920400549T priority patent/GR3004180T3/el

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Abstract

Solid or hollow smooth or ribbed coiled bars are straightened by guiding the bar through grooved rolls whilst being drawn through a pre-straightener assembly, and two straightener assemblies to a finishing assembly, the bar passing through at least one S shaped or Z shaped half loop during straightening whilst remaining generally on a single plane until the finishing assembly. Appts. comprises an antirotation machine for operation on a single plane and having a guide and prestraightener assembly, two-straightening assemblies with at least two drawing units, a linear forming assembly and a finishing assembly.
IT83467/87A 1986-11-26 1987-10-06 Straightening complex sections IT1220117B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT83467/87A IT1220117B (en) 1987-10-06 1987-10-06 Straightening complex sections
EP87202107A EP0269157B1 (en) 1986-11-26 1987-11-02 Antirotation method to straighten sections and antirotation straightening machine which employs such method
ES198787202107T ES2029684T3 (en) 1986-11-26 1987-11-02 ANTI-ROTATION METHOD AND MACHINE TO STRAIGHTEN METAL PROFILES.
AT87202107T ATE72150T1 (en) 1986-11-26 1987-11-02 COUNTER-TURNING PROCESS FOR STRAIGHTENING PROFILES AND STRAIGHTENING MACHINE TO APPLY THIS PROCESS.
DE8787202107T DE3776505D1 (en) 1986-11-26 1987-11-02 COUNTERTURNING METHOD FOR ALIGNING PROFILES AND ALIGNMENT MACHINE FOR APPLYING THIS METHOD.
US07/125,005 US4876873A (en) 1986-11-26 1987-11-24 Antirotation method to straighten sections and antirotation straightening machine which employs such method
US07/386,769 US5035130A (en) 1986-11-26 1989-07-31 Antirotation straightening machine
GR920400549T GR3004180T3 (en) 1986-11-26 1992-03-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT83467/87A IT1220117B (en) 1987-10-06 1987-10-06 Straightening complex sections

Publications (2)

Publication Number Publication Date
IT8783467A0 IT8783467A0 (en) 1987-10-06
IT1220117B true IT1220117B (en) 1990-06-06

Family

ID=11322305

Family Applications (1)

Application Number Title Priority Date Filing Date
IT83467/87A IT1220117B (en) 1986-11-26 1987-10-06 Straightening complex sections

Country Status (1)

Country Link
IT (1) IT1220117B (en)

Also Published As

Publication number Publication date
IT8783467A0 (en) 1987-10-06

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931028