GB1377015A - Tube bending device - Google Patents

Tube bending device

Info

Publication number
GB1377015A
GB1377015A GB4539272A GB4539272A GB1377015A GB 1377015 A GB1377015 A GB 1377015A GB 4539272 A GB4539272 A GB 4539272A GB 4539272 A GB4539272 A GB 4539272A GB 1377015 A GB1377015 A GB 1377015A
Authority
GB
United Kingdom
Prior art keywords
chain
anvil
tube
lever
abutment member
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4539272A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fjallstrom B G
Original Assignee
Fjallstrom B G
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 Fjallstrom B G filed Critical Fjallstrom B G
Publication of GB1377015A publication Critical patent/GB1377015A/en
Expired legal-status Critical Current

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
    • B21D7/022—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment over a stationary forming member only
    • 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
    • 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

Abstract

1377015 Bending tubes B G FJALLSTROM 2 Oct 1972 [30 Sept 1971] 45392/72 Heading B3E A tube bender comprises a grooved anvil 7 and an abutment member 4, one of which is movable about the other, and a flexible chain of blocks 2 each provided with rollers bearing on the abutment member and a groove co-operating with that on the anvil so that a tube may be bent by wrapping the chain about the former. As shown, a fixed frame 8 supports the grooved anvil 7 on which is pivoted a lever 6 supporting the abutment member 4 on pivot 14. Rollers 5 of the chain of elements 2 bear on member 4, and terminate in a wedge block 1 reacting against a fixed block 8<SP>1</SP> to clamp a tube 12 on to the anvil. The other end of the chain is attached to an arm 13 pivoted on lever 6 at 16, and the chain is tensioned by wire 11 and hydraulic cylinder 9. As lever 16 is rotated about pivot 15, the chain rolls round member 4 and is wrapped round anvil, bending the tube.
GB4539272A 1971-09-30 1972-10-02 Tube bending device Expired GB1377015A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE12360/71A SE358100B (en) 1971-09-30 1971-09-30

Publications (1)

Publication Number Publication Date
GB1377015A true GB1377015A (en) 1974-12-11

Family

ID=20295608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4539272A Expired GB1377015A (en) 1971-09-30 1972-10-02 Tube bending device

Country Status (6)

Country Link
US (1) US3785192A (en)
JP (1) JPS527433B2 (en)
FR (1) FR2154676B1 (en)
GB (1) GB1377015A (en)
IT (1) IT966066B (en)
SE (1) SE358100B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5433334Y2 (en) * 1973-07-05 1979-10-15
CN112808816A (en) * 2021-02-06 2021-05-18 广东铭恒供应链有限公司 Aluminum frame bending machine of double-station aluminum alloy draw-bar box
CN116274534B (en) * 2023-05-15 2023-07-21 太原市华能沃德重型机械研究所有限公司 Safety steel pipe production bending device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996100A (en) * 1957-04-08 1961-08-15 Dravo Corp Method and apparatus for bending pipe to short radh with minimum thinning of the outer wall thickness at the bend

Also Published As

Publication number Publication date
IT966066B (en) 1974-02-11
US3785192A (en) 1974-01-15
DE2247040B2 (en) 1977-06-30
FR2154676B1 (en) 1978-02-10
JPS4872070A (en) 1973-09-28
DE2247040A1 (en) 1973-04-05
SE358100B (en) 1973-07-23
FR2154676A1 (en) 1973-05-11
JPS527433B2 (en) 1977-03-02

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee