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NL1291C - Improvement in a machine for manufacturing tinplate or sheet iron elbows or elbows with external folds or collars - Google Patents

Improvement in a machine for manufacturing tinplate or sheet iron elbows or elbows with external folds or collars

Info

Publication number
NL1291C
NL1291C NL343A NL343A NL1291C NL 1291 C NL1291 C NL 1291C NL 343 A NL343 A NL 343A NL 343 A NL343 A NL 343A NL 1291 C NL1291 C NL 1291C
Authority
NL
Netherlands
Prior art keywords
elbows
collars
improvement
machine
sheet iron
Prior art date
Application number
NL343A
Other languages
Dutch (nl)
Original Assignee
Firma Hch Bertrams
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 Firma Hch Bertrams filed Critical Firma Hch Bertrams
Priority to NL343A priority Critical patent/NL1291C/en
Application granted granted Critical
Publication of NL1291C publication Critical patent/NL1291C/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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/08—Bending by altering the thickness of part of the cross-section of the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
NL343A 1912-06-08 1912-06-08 Improvement in a machine for manufacturing tinplate or sheet iron elbows or elbows with external folds or collars NL1291C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL343A NL1291C (en) 1912-06-08 1912-06-08 Improvement in a machine for manufacturing tinplate or sheet iron elbows or elbows with external folds or collars

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL343A NL1291C (en) 1912-06-08 1912-06-08 Improvement in a machine for manufacturing tinplate or sheet iron elbows or elbows with external folds or collars

Publications (1)

Publication Number Publication Date
NL1291C true NL1291C (en) 1916-05-15

Family

ID=88839933

Family Applications (1)

Application Number Title Priority Date Filing Date
NL343A NL1291C (en) 1912-06-08 1912-06-08 Improvement in a machine for manufacturing tinplate or sheet iron elbows or elbows with external folds or collars

Country Status (1)

Country Link
NL (1) NL1291C (en)

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