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GB404998A - Improvements in machines for working metal by bending, drawing and similar operations - Google Patents

Improvements in machines for working metal by bending, drawing and similar operations

Info

Publication number
GB404998A
GB404998A GB1752232A GB1752232A GB404998A GB 404998 A GB404998 A GB 404998A GB 1752232 A GB1752232 A GB 1752232A GB 1752232 A GB1752232 A GB 1752232A GB 404998 A GB404998 A GB 404998A
Authority
GB
United Kingdom
Prior art keywords
bending
machines
similar operations
working metal
chalk
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
GB1752232A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB1752232A priority Critical patent/GB404998A/en
Publication of GB404998A publication Critical patent/GB404998A/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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/20—Making tools by operations not covered by a single other subclass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

Concrete for bending dies is made from 1 part silica to about 1 part aluminous cement by weight. The cement comprises bauxite and chalk in proportions of 1 part chalk to .85-1.3 parts of alumina by weight.
GB1752232A 1932-06-21 1932-06-21 Improvements in machines for working metal by bending, drawing and similar operations Expired GB404998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1752232A GB404998A (en) 1932-06-21 1932-06-21 Improvements in machines for working metal by bending, drawing and similar operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1752232A GB404998A (en) 1932-06-21 1932-06-21 Improvements in machines for working metal by bending, drawing and similar operations

Publications (1)

Publication Number Publication Date
GB404998A true GB404998A (en) 1934-01-22

Family

ID=10096657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1752232A Expired GB404998A (en) 1932-06-21 1932-06-21 Improvements in machines for working metal by bending, drawing and similar operations

Country Status (1)

Country Link
GB (1) GB404998A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001674A1 (en) * 1980-11-19 1982-05-27 Andersen Arne Tool for shaping articles
WO1987001627A1 (en) * 1985-09-11 1987-03-26 Denki Kagaku Kogyo Kabushiki Kaisha Mold assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1982001674A1 (en) * 1980-11-19 1982-05-27 Andersen Arne Tool for shaping articles
WO1987001627A1 (en) * 1985-09-11 1987-03-26 Denki Kagaku Kogyo Kabushiki Kaisha Mold assembly

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