NL182706C - Apparatus for hot bending of metal pipes. - Google Patents

Apparatus for hot bending of metal pipes.

Info

Publication number
NL182706C
NL182706C NLAANVRAGE7906077,A NL7906077A NL182706C NL 182706 C NL182706 C NL 182706C NL 7906077 A NL7906077 A NL 7906077A NL 182706 C NL182706 C NL 182706C
Authority
NL
Netherlands
Prior art keywords
metal pipes
hot bending
bending
hot
pipes
Prior art date
Application number
NLAANVRAGE7906077,A
Other languages
Dutch (nl)
Other versions
NL7906077A (en
NL182706B (en
Original Assignee
Daiichi Koshuha Kogyo Kk
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 JP8375674A external-priority patent/JPS5112369A/en
Priority claimed from JP10487474A external-priority patent/JPS5132473A/en
Priority claimed from JP10487374A external-priority patent/JPS5131667A/en
Priority claimed from JP11569174U external-priority patent/JPS5144739U/ja
Priority claimed from JP6495675A external-priority patent/JPS51140862A/en
Priority claimed from NLAANVRAGE7508788,A external-priority patent/NL177088C/en
Application filed by Daiichi Koshuha Kogyo Kk filed Critical Daiichi Koshuha Kogyo Kk
Priority to NLAANVRAGE7906077,A priority Critical patent/NL182706C/en
Publication of NL7906077A publication Critical patent/NL7906077A/en
Publication of NL182706B publication Critical patent/NL182706B/en
Application granted granted Critical
Publication of NL182706C publication Critical patent/NL182706C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D7/00—Bending rods, profiles, or tubes
    • B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
    • B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
    • B21D7/025—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member and pulling or pushing the ends of the work
NLAANVRAGE7906077,A 1974-07-23 1979-08-08 Apparatus for hot bending of metal pipes. NL182706C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7906077,A NL182706C (en) 1974-07-23 1979-08-08 Apparatus for hot bending of metal pipes.

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
JP8375674A JPS5112369A (en) 1974-07-23 1974-07-23 NETSUKANMAGE SOCHI
JP10487474A JPS5132473A (en) 1974-09-13 1974-09-13 KINZOKUKANTONOMAGE KAKOHO OYOBI DOSOCHI
JP10487374A JPS5131667A (en) 1974-09-13 1974-09-13 KINZOKUKANNOMAGEKAKOHO OYOBI DOSOCHI
JP11569174U JPS5144739U (en) 1974-09-27 1974-09-27
JP6495675A JPS51140862A (en) 1975-05-30 1975-05-30 Method of bending metal bar material
NLAANVRAGE7508788,A NL177088C (en) 1974-07-23 1975-07-23 Apparatus for hot bending of metal pipes.
NLAANVRAGE7906077,A NL182706C (en) 1974-07-23 1979-08-08 Apparatus for hot bending of metal pipes.

Publications (3)

Publication Number Publication Date
NL7906077A NL7906077A (en) 1979-12-28
NL182706B NL182706B (en) 1987-12-01
NL182706C true NL182706C (en) 1988-05-02

Family

ID=27550998

Family Applications (3)

Application Number Title Priority Date Filing Date
NLAANVRAGE7906080,A NL182378C (en) 1974-07-23 1979-08-08 Apparatus for hot bending of metal pipes or tubes.
NLAANVRAGE7906077,A NL182706C (en) 1974-07-23 1979-08-08 Apparatus for hot bending of metal pipes.
NLAANVRAGE7906079,A NL178659C (en) 1974-07-23 1979-08-08 DEVICE FOR WARM-BENDING METAL PIPES.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7906080,A NL182378C (en) 1974-07-23 1979-08-08 Apparatus for hot bending of metal pipes or tubes.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7906079,A NL178659C (en) 1974-07-23 1979-08-08 DEVICE FOR WARM-BENDING METAL PIPES.

Country Status (1)

Country Link
NL (3) NL182378C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690117B (en) * 2015-03-27 2017-03-01 华电重工股份有限公司 The especially big radius elbow of large diameter thick wall steel pipe and its forming method

Also Published As

Publication number Publication date
NL7906077A (en) 1979-12-28
NL7906079A (en) 1979-12-28
NL178659C (en) 1986-05-01
NL182378B (en) 1987-10-01
NL182706B (en) 1987-12-01
NL182378C (en) 1988-03-01
NL178659B (en) 1985-12-02
NL7906080A (en) 1979-12-28

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Legal Events

Date Code Title Description
A1A A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
V1 Lapsed because of non-payment of the annual fee