US1248816A - Portable forge. - Google Patents

Portable forge. Download PDF

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Publication number
US1248816A
US1248816A US12139316A US12139316A US1248816A US 1248816 A US1248816 A US 1248816A US 12139316 A US12139316 A US 12139316A US 12139316 A US12139316 A US 12139316A US 1248816 A US1248816 A US 1248816A
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United States
Prior art keywords
cavity
conduit
air
forge
pan
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 - Lifetime
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US12139316A
Inventor
Lawrence Crawford
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Individual
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Individual
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Priority to US12139316A priority Critical patent/US1248816A/en
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Publication of US1248816A publication Critical patent/US1248816A/en
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Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J19/00—Blacksmiths requisites not otherwise provided for
    • B21J19/02—Hearths; Air supply arrangements specially adapted therefor

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Description

L. cam/wow. PORTABLE FORGE. APPLICAi'I'ON FILED SEPT. 21. I916.
mmm fig, Patented m6, 4,19111.
vention-as applied to. a rivet forge, oi course, to he understood that the same may be adapted to other" devices wherein a con .trollable supply ofoompresse d' air may be;
employed for similar purposes.
Having thus described my mventlon, I claim:
1 Ina portable forge, the ciiim'bination or a fire pan, a conduit communicating with said pan, means for supplying air' under pressure .to the conduit, including. a difli'using nozzle located in said conduit and comprising a housing having opposed conicalcavities communicating at their apexes through a constricted passage, supply pipe forcompressed air connnahicating with the enlarged'end of. one of the cavities; and a conical plugfor the other cavity, shaped in correspondence theretoand adapted to be adjusted therein to vary the size of the conica'l interspaoe thus formed, said plug being provided with a plurality of apertures by which the air is diffused into the said conduit.
2. In a portable forge, the combination of a fire pan; a conduit communicating-with said pan; a diflusing nozzle located in said conduit, including a tapered cavity; means for admitting air under-pressure to the constri'cted end of said cavity a plug in theenfla'rged end of said cavity having a pluralitv of apertures by which the air is diffused into- SttldCOIlddlll; and means for adjusting said plug in said cavity, whereby the amount neeae e 0i" air admitted to said apertures may be varied.
In a portable forge, the combination of a fire pan; a conduit communicatin with said pan; a diffusing nozzle located in said conduit, including aconical cavity; means for admitting air under pressure to theconstricted end ofsaid cavity; a conical plug in the enlarged end of said cavity having a plurality of apertures by which the air is diffused into said conduit; and means for adjusting said plug in said cavity, whereby the amount ofair admitted to said apertures may be varied.
i l. In a portable forge, the combination of a fire pan; a conduit communicating with said pan; a diffusing nozzle located in said conduit andcomprisinga housing having a conical cavity; means for supplying compressed air to the constricted end of said cavity; and a conical plugfor the other end of said cavity shaped in correspondence thereto and adapted to be adjusted therein to vary the size of the conical interspaco
US12139316A 1916-09-21 1916-09-21 Portable forge. Expired - Lifetime US1248816A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12139316A US1248816A (en) 1916-09-21 1916-09-21 Portable forge.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12139316A US1248816A (en) 1916-09-21 1916-09-21 Portable forge.

Publications (1)

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US1248816A true US1248816A (en) 1917-12-04

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ID=3316564

Family Applications (1)

Application Number Title Priority Date Filing Date
US12139316A Expired - Lifetime US1248816A (en) 1916-09-21 1916-09-21 Portable forge.

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US (1) US1248816A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419878A (en) * 1943-08-27 1947-04-29 Bishop George Albert Rivet heating pot

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419878A (en) * 1943-08-27 1947-04-29 Bishop George Albert Rivet heating pot

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