US321841A - Machine for screw-threading bolts - Google Patents

Machine for screw-threading bolts Download PDF

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Publication number
US321841A
US321841A US321841DA US321841A US 321841 A US321841 A US 321841A US 321841D A US321841D A US 321841DA US 321841 A US321841 A US 321841A
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US
United States
Prior art keywords
screw
machine
threading bolts
bolts
threading
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/04—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing
    • B21B45/08—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for de-scaling, e.g. by brushing hydraulically

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Artificial Filaments (AREA)

Description

Ho Modei.) 5 sheet s eet 2.
(N0 Model.)
- 5 sheets-Sheet 4- J. NORTH MAGEINE FOR. SOBEW TEREADING BOLTS, &0- N0. 321.841-
Patented Jul 7, -1885- (No Model.) 5 Sheetssheet 5-
US321841D Machine for screw-threading bolts Expired - Lifetime US321841A (en)

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US321841A true US321841A (en) 1885-07-07

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US321841D Expired - Lifetime US321841A (en) Machine for screw-threading bolts

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050755A (en) * 1958-07-23 1962-08-28 Besly Welles Corp Method of forming threads by applying sliding pressure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3050755A (en) * 1958-07-23 1962-08-28 Besly Welles Corp Method of forming threads by applying sliding pressure

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