GB568870A - Improvements in the manufacture of pressings from sheet material - Google Patents

Improvements in the manufacture of pressings from sheet material

Info

Publication number
GB568870A
GB568870A GB1898543A GB1898543A GB568870A GB 568870 A GB568870 A GB 568870A GB 1898543 A GB1898543 A GB 1898543A GB 1898543 A GB1898543 A GB 1898543A GB 568870 A GB568870 A GB 568870A
Authority
GB
United Kingdom
Prior art keywords
fluid
sheet
sheet material
die
transformer
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
GB1898543A
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.)
High Duty Alloys Ltd
Original Assignee
High Duty Alloys 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 High Duty Alloys Ltd filed Critical High Duty Alloys Ltd
Priority to GB1898543A priority Critical patent/GB568870A/en
Publication of GB568870A publication Critical patent/GB568870A/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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/021—Deforming sheet bodies
    • B21D26/029—Closing or sealing means
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

568,870. Embossing. HIGH DUTY ALLOYS, Ltd., and HERON, .J. A. Nov. 15, 1943, No. 18985. [Class 100 (ii)] [Also in Group XXII] In stamping sheet material by the direct application of fluid pressure, particularly sheets of magnesium or magnesium alloy, the fluid is supplied heated in order to heat the work to the best working temperature. The sheet 5 to be shaped according to the die 1 is clamped between the die and a member 2 formed at 3 with surfaces to act both as seals for the fluid and as draw rings for the sheet. Fluid is supplied at 10 preferably through a plunp and pressure transformer, a heater being interposed between the transformer and the member 2. Modified forms of sealing surfaces are illustrated. The fluid is preferably oil, but if temperatures above 300‹ C. are required, a liquid such as metadiphenylbenzene is used.
GB1898543A 1943-11-15 1943-11-15 Improvements in the manufacture of pressings from sheet material Expired GB568870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1898543A GB568870A (en) 1943-11-15 1943-11-15 Improvements in the manufacture of pressings from sheet material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1898543A GB568870A (en) 1943-11-15 1943-11-15 Improvements in the manufacture of pressings from sheet material

Publications (1)

Publication Number Publication Date
GB568870A true GB568870A (en) 1945-04-24

Family

ID=10121802

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1898543A Expired GB568870A (en) 1943-11-15 1943-11-15 Improvements in the manufacture of pressings from sheet material

Country Status (1)

Country Link
GB (1) GB568870A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279616B (en) * 1963-03-07 1968-10-10 Siemens Elektrogeraete Gmbh Device for hydraulic deep drawing
EP1052036A2 (en) * 1999-05-10 2000-11-15 General Motors Corporation Improved seal bead for superplastic forming of aluminium sheet
GB2493967A (en) * 2011-08-25 2013-02-27 U Me Technology Co Ltd Method for forming a metal article

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1279616B (en) * 1963-03-07 1968-10-10 Siemens Elektrogeraete Gmbh Device for hydraulic deep drawing
EP1052036A2 (en) * 1999-05-10 2000-11-15 General Motors Corporation Improved seal bead for superplastic forming of aluminium sheet
EP1052036A3 (en) * 1999-05-10 2001-06-20 General Motors Corporation Improved seal bead for superplastic forming of aluminium sheet
GB2493967A (en) * 2011-08-25 2013-02-27 U Me Technology Co Ltd Method for forming a metal article
GB2493967B (en) * 2011-08-25 2014-08-27 U Me Technology Co Ltd Method for forming a metal article

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