GB679946A - Improvements in or relating to method of and apparatus for piercing metal blanks - Google Patents

Improvements in or relating to method of and apparatus for piercing metal blanks

Info

Publication number
GB679946A
GB679946A GB1397750A GB1397750A GB679946A GB 679946 A GB679946 A GB 679946A GB 1397750 A GB1397750 A GB 1397750A GB 1397750 A GB1397750 A GB 1397750A GB 679946 A GB679946 A GB 679946A
Authority
GB
United Kingdom
Prior art keywords
relating
metal blanks
piercing metal
piercing
blanks
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
GB1397750A
Other languages
English (en)
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.)
National Machinery Co
Original Assignee
National Machinery Co
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 National Machinery Co filed Critical National Machinery Co
Publication of GB679946A publication Critical patent/GB679946A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/32—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds
    • B60G11/34—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs
    • B60G11/36—Resilient suspensions characterised by arrangement, location or kind of springs having springs of different kinds including leaf springs and also helical, spiral or coil springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/64—Making machine elements nuts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/045—Filters applied to frequency transposition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/202—With product handling means
    • Y10T83/2092—Means to move, guide, or permit free fall or flight of product
    • Y10T83/2209—Guide
    • Y10T83/2213—Product-diverting conduit in or from hollow tool

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Forging (AREA)
GB1397750A 1949-06-17 1950-06-05 Improvements in or relating to method of and apparatus for piercing metal blanks Expired GB679946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9977049 US2645793A (en) 1949-06-17 1949-06-17 Nut piercing method

Publications (1)

Publication Number Publication Date
GB679946A true GB679946A (en) 1952-09-24

Family

ID=22276534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1397750A Expired GB679946A (en) 1949-06-17 1950-06-05 Improvements in or relating to method of and apparatus for piercing metal blanks

Country Status (5)

Country Link
US (1) US2645793A (de)
CH (1) CH317978A (de)
DE (1) DE917044C (de)
FR (1) FR1021847A (de)
GB (1) GB679946A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949051A (en) * 1957-04-12 1960-08-16 Lake Erie Machinery Corp Cold extrusion press
US3358538A (en) * 1966-01-13 1967-12-19 Warner Swasey Co Punch die having means to prevent return of slugs
DE102010008654A1 (de) * 2010-02-20 2011-08-25 Bayerische Motoren Werke Aktiengesellschaft, 80809 Verfahren zur Herstellung eines gesinterten oder geschmiedeten Bauteils

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US490773A (en) * 1893-01-31 Charles osborne
US834372A (en) * 1906-05-07 1906-10-30 George Dunham Method of making hexagonal nuts.
US1100891A (en) * 1913-07-03 1914-06-23 John R Kreiser Nut-making machine.
DE469900C (de) * 1926-01-14 1928-12-28 Alfred De Fries Auswerfvorrichtung in Warmmutternpressen
US1795518A (en) * 1926-04-21 1931-03-10 William E Sharp Apparatus for producing bolt nuts
DE588462C (de) * 1930-11-27 1933-12-09 Fritz Hatebur Maschine zur Herstellung von Schraubenmuttern auf warmem Wege
US1977163A (en) * 1933-07-22 1934-10-16 Waterbury Farrel Foundry Co Die mechanism
US2287214A (en) * 1941-11-10 1942-06-23 Waterbury Farrel Foundry Co Means for making articles having a polygonal cross section or the like
US2380584A (en) * 1944-03-22 1945-07-31 Towne Robinson Nut Company Nut retainer die and ejector
US2419862A (en) * 1944-04-29 1947-04-29 George F Wales Method of and apparatus for punching by transfer means

Also Published As

Publication number Publication date
FR1021847A (fr) 1953-02-24
DE917044C (de) 1954-11-29
US2645793A (en) 1953-07-21
CH317978A (fr) 1956-12-15

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