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GB2242380B - Stretching apparatus - Google Patents

Stretching apparatus

Info

Publication number
GB2242380B
GB2242380B GB9006087A GB9006087A GB2242380B GB 2242380 B GB2242380 B GB 2242380B GB 9006087 A GB9006087 A GB 9006087A GB 9006087 A GB9006087 A GB 9006087A GB 2242380 B GB2242380 B GB 2242380B
Authority
GB
United Kingdom
Prior art keywords
stretching apparatus
stretching
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 - Fee Related
Application number
GB9006087A
Other versions
GB9006087D0 (en
GB2242380A (en
Inventor
Marius Boers
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.)
BOAL UK Ltd
Original Assignee
BOAL UK Ltd
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 BOAL UK Ltd filed Critical BOAL UK Ltd
Priority to GB9006087A priority Critical patent/GB2242380B/en
Publication of GB9006087D0 publication Critical patent/GB9006087D0/en
Publication of GB2242380A publication Critical patent/GB2242380A/en
Application granted granted Critical
Publication of GB2242380B publication Critical patent/GB2242380B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/12—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by stretching with or without twisting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
GB9006087A 1990-03-17 1990-03-17 Stretching apparatus Expired - Fee Related GB2242380B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9006087A GB2242380B (en) 1990-03-17 1990-03-17 Stretching apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9006087A GB2242380B (en) 1990-03-17 1990-03-17 Stretching apparatus

Publications (3)

Publication Number Publication Date
GB9006087D0 GB9006087D0 (en) 1990-05-16
GB2242380A GB2242380A (en) 1991-10-02
GB2242380B true GB2242380B (en) 1994-06-29

Family

ID=10672824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9006087A Expired - Fee Related GB2242380B (en) 1990-03-17 1990-03-17 Stretching apparatus

Country Status (1)

Country Link
GB (1) GB2242380B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5233853A (en) * 1992-01-03 1993-08-10 Burr Oak Tool & Gauge Company Stretch straightening hairpin bender

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB537264A (en) * 1939-11-13 1941-06-16 Head Wrightson & Co Ltd A new and improved machine for stretching metals
GB1179158A (en) * 1966-09-29 1970-01-28 Schloemann Aktiengellschaft Improvements in Stretching Machines.
GB1239845A (en) * 1968-11-27 1971-07-21 Schloemann Ag Improvements in hydraulic sheet-stretching machines
GB1400137A (en) * 1972-08-24 1975-07-16 Comalco J S Pty Ltd Method and a machine for expanding a slotted workpiece
GB1510979A (en) * 1975-11-20 1978-05-17 Alcan Res & Dev Stretching of lenghts of metal
WO1985002567A1 (en) * 1983-12-05 1985-06-20 Glamagard Pty. Limited Expanding machine
GB2173435A (en) * 1985-03-11 1986-10-15 Unimetall Sa Stretching machine for straightening and stress-relieving of steel rails

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB537264A (en) * 1939-11-13 1941-06-16 Head Wrightson & Co Ltd A new and improved machine for stretching metals
GB1179158A (en) * 1966-09-29 1970-01-28 Schloemann Aktiengellschaft Improvements in Stretching Machines.
GB1239845A (en) * 1968-11-27 1971-07-21 Schloemann Ag Improvements in hydraulic sheet-stretching machines
GB1400137A (en) * 1972-08-24 1975-07-16 Comalco J S Pty Ltd Method and a machine for expanding a slotted workpiece
GB1510979A (en) * 1975-11-20 1978-05-17 Alcan Res & Dev Stretching of lenghts of metal
WO1985002567A1 (en) * 1983-12-05 1985-06-20 Glamagard Pty. Limited Expanding machine
GB2173435A (en) * 1985-03-11 1986-10-15 Unimetall Sa Stretching machine for straightening and stress-relieving of steel rails

Also Published As

Publication number Publication date
GB9006087D0 (en) 1990-05-16
GB2242380A (en) 1991-10-02

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020317