US1452258A - Welding-torch tip - Google Patents

Welding-torch tip Download PDF

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Publication number
US1452258A
US1452258A US29648919A US1452258A US 1452258 A US1452258 A US 1452258A US 29648919 A US29648919 A US 29648919A US 1452258 A US1452258 A US 1452258A
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United States
Prior art keywords
tip
socket
end
passage
plug
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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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Elmer H Smith
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Elmer H Smith
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Priority to US29648919 priority Critical patent/US1452258A/en
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Publication of US1452258A publication Critical patent/US1452258A/en
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Application status is Expired - Lifetime legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23DBURNERS
    • F23D14/00Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46Details, e.g. noise reduction means
    • F23D14/48Nozzles
    • F23D14/52Nozzles for torches; for blow-pipes
    • F23D14/54Nozzles for torches; for blow-pipes for cutting or welding metal

Description

Apr. 17, 1923.

E. H. SMITH WELDING TORCH TIP Filed May 12 1919 M H. 6 3 K. a a m 4 E y 3 W Q 9: Q

useful Improvements out in the claims.

Patented Apr. 17, 1923 urrso STATES ELMER H. SMITfi, OE MINNEAPOLIS, MINNESOTA.-

WELDING-TORCH TIP.

To all whom it ma concern Be it known that I, ELMER H. SMITH, a citizen of the United States; resident of Minneapolis, county of Hennepin, State of Minnesota, have invented certain new and in Welding-Torch Tips, of which the following is a specification.

The object of my invention is to provide a torch'tip of such construction that a complete mixture of the oxygen and acetylene gas will take place in the tip Without the formation of eddies or whirls of gas which in torches as usually constructed retard the flow and have a tendency to back fire and destroy or damage the tip at the point where the union of the gases takes place.

A further object is to provide a tip of comparatively simple construction and one which is adapted for use with any type of welding torch.

The invention consists generally in various In the accompanying drawings forming "part of this specification,

Figure 1 is sectional view on an enlarged scale of a portion of a torch and welding tip mounted thereon.

,7 Figure 2 is a view showing the head in section, with the tip fitting therein and indicating the position of the ports leading to the oxygen duct.

Figure 3 is a detail sectional view, enlarged, showing the taper of the-walls of the mixing nozzle to a thin edge.

In the drawing, 2 represents the head of the torch having an acetylene gas passage 3 and an oxygen passage 4. 5 and 6 are the pipes mounted in said head and communi eating respectively with said passages and leading from a source of acetylene and oxygen supply, not shown. The head has a socket 6 therein and a tip' 7 and an exteriorly threaded, end portion 8 engaging the 'interiorly threaded walls of said recess atthe inner end thereof. An annular recess 9 is formed in the outer end of the head around said socketand a shoulder 10 formed on said tip is seated in said annular recess to form a close gas-tight joint therewith.

- An annular passage 11 is formed in the surface ofthe tip and the wallsof said socket between the shoulder 10 and the. threaded Application filed May 12, 1919. Serial No. 296,489.

portion of the tip end and this passage communicates with the acetylene gas passage 3 when the tip is mounted in its place in the head.

The end- 8 has a sockettherein to receive a central passage 13 communicating with the oxygen passage 4;. The socket in the end 8 has a tapered inner portion 1 1 and a plug 12 has a tapered mixing nozzle 15 to fit the socket 14c and an extension 16 of the passage 13 preferably similar in cross section communicates with the said passage and extends through the nozzle 15 to a centrally arranged duct 17 formed in the tip 7 a gas passage being formed between the surface of the nozzle 15 and. the wall of the socket 14 which communicates through ports 18 with the annular passage 11 and thereby the acetylene gas may flow from the passage 11 through the ports 18 and be discharged into the duct 17 at the apex of the plug 12 or the point where the oxygen is delivered to said duct. The walls of the nozzle 15 taper to a comparatively thin edge and at the point where the acetylene gas mixes with the oxygen the walls of the nozzle are so thin that there will be .no opportunity for eddies or whirls of gas to form or collect at this point and retard the velocity of the gas through the tip or burn out or cause damage to the nozzle which frequently does happen when this nozzle is formed with a blunt end or has thick walls between its duct and the necessary or advisable.

In Figure 3 I have shown an enlarged detail view of the mixing nozzle, illustrating how the' walls of this, nozzle taper to a comparatively thin edge at the point where the mixture between the oxygen and acetylene-gas'takes place; I have found by actual test that a mixing nozzle with a blunt end will cause the formation of eddies of as at the end of the tip and retard the veocity' to such an extent that a flashback or ignition of gas at the end of the mixin nozzle willtake lace. This not only-wi prevent the use of the torch, but in a short time will damage or destroy the tip of the mixing nozzle. By bringing this tip down to a thin edge I have eliminated the danger of flashbacks and the delay in the work and the damage to the torch incidental thereto.

I claim as my invention:

1. In combination, ahead having at its inner end a socket and oxygen and acetylene passages therein leading to the socket. a tip in said socket. said tip having thereina socket cylindrical in shape at its base and merging into a conical wall. a plug in the tip cylindrical at its base and terminating in a cone within the conical wall of the tip with an annular space between the conical end of the plug and the conical wall of the socket there being also an annular space between the walls of the socket in the head and the tip. and ports through the tip connecting said annular spaces. the conical annular space between the plug and the tip merging into a port incident to the outer end of the tip. said plug having anoxygen passage extending through it and terminating at the inner end of said port.

2. In combination. a head having therein a socket with oxygen and acetylene passages leading to said socket, a tip in said socket and in turn having a socket therein terminating in a conical wall, a plug having a longitudinal passage therethrough and a conical end adjustable in the tip socket to leave an annular space between the conical end of'the plug and the conical wall of the tip socket. said tip also having ports leading from said conical space to the head socket and to the outer end of the tip as described.

3. In combination, a head having at its inner end a screw-threaded socket and oxygen and acetylene passages leading to.

the socket in the head, a tip screw-threaded in said "socket, said tip having therein a socket cylindrical in shape and screwthreaded at its base and merging into a conical wall, a plug in the tip cylindrical and screw-threaded at its base and terminating in a cone within the conical wall of the tip with an annular space between the conical end of the plug and the conical wall of the socket, there being also an annular space socket therein terminating -in a conical wall. a screw threaded plug having a longitudinal passage therethrough and a conical end adjustable in the tip socket to leave an annular space between the conical end of the plug and the interior conical wall of the tip socket, said tip also having ports leading from said conical space to the head socketand to the outer described.

In witness whereof, I have hereunto set my hand this 28th day of April 1919.

ELMER H. SMITH.

end of the tip as

US29648919 1919-05-12 1919-05-12 Welding-torch tip Expired - Lifetime US1452258A (en)

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US29648919 US1452258A (en) 1919-05-12 1919-05-12 Welding-torch tip

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US29648919 US1452258A (en) 1919-05-12 1919-05-12 Welding-torch tip

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Cited By (35)

* Cited by examiner, † Cited by third party
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USD794773S1 (en) 2016-07-19 2017-08-15 Water Pik, Inc. Oral irrigator
USD796028S1 (en) 2016-07-19 2017-08-29 Water Pik, Inc. Oral irrigator
USD802120S1 (en) * 2007-02-27 2017-11-07 Water Pik, Inc. Tip for oral irrigator
USD802747S1 (en) 2016-07-19 2017-11-14 Water Pik, Inc. Reservoir for oral irrigator
USD804018S1 (en) 2016-07-19 2017-11-28 Water Pik, Inc. Base for an oral irrigator
USD804016S1 (en) 2016-02-05 2017-11-28 Water Pik, Inc. Handheld oral irrigator
USD807822S1 (en) 2016-07-19 2018-01-16 Water Pik, Inc. Power supply cartridge
USD809651S1 (en) 2016-07-19 2018-02-06 Water Pik, Inc. Combination base and reservoir for an oral irrigator
USD819196S1 (en) 2014-12-01 2018-05-29 Water Pik, Inc. Handheld oral irrigator
US9980793B2 (en) 2013-11-27 2018-05-29 Water Pik, Inc. Oral hygiene system
US9987109B2 (en) 2013-03-15 2018-06-05 Water Pik, Inc. Mechanically-driven, sonic toothbrush and water flosser
USD819956S1 (en) 2016-01-25 2018-06-12 Water Pik, Inc. Kit bag
US10010389B2 (en) 2006-02-24 2018-07-03 Water Pik, Inc. Dental water jet device
USD822196S1 (en) 2016-01-14 2018-07-03 Water Pik, Inc. Oral irrigator
US10016254B2 (en) 2013-12-20 2018-07-10 Water Pik, Inc. Dental water jet
USD822826S1 (en) 2016-12-15 2018-07-10 Water Pik, Inc. Oral irrigator base
USD822825S1 (en) 2016-12-15 2018-07-10 Water Pik, Inc. Oral irrigator unit
US10022207B2 (en) 2013-11-27 2018-07-17 Water Pik, Inc. Oral irrigator with slide pause switch
USD825741S1 (en) 2016-12-15 2018-08-14 Water Pik, Inc. Oral irrigator handle
USD829886S1 (en) 2016-12-15 2018-10-02 Water Pik, Inc. Oral irrigator base
USD829887S1 (en) 2017-02-06 2018-10-02 Water Pik, Inc. Oral irrigator reservoir
US10105201B2 (en) 2012-10-11 2018-10-23 Water Pik, Inc. Interdental cleaner using water supply
USD832418S1 (en) 2016-12-15 2018-10-30 Water Pik, Inc. Oral irrigator base
USD832420S1 (en) 2016-12-15 2018-10-30 Water Pik, Inc. Oral irrigator base
USD832419S1 (en) 2016-12-15 2018-10-30 Water Pik, Inc. Oral irrigator unit
USD833000S1 (en) 2016-12-15 2018-11-06 Water Pik, Inc. Oral irrigator unit
USD833601S1 (en) 2017-02-06 2018-11-13 Water Pik, Inc. Oral irrigator
USD833602S1 (en) 2017-02-06 2018-11-13 Water Pik, Inc. Oral irrigator base
USD833600S1 (en) 2016-12-15 2018-11-13 Water Pik, Inc. Oral irrigator reservoir
USD834180S1 (en) 2016-12-15 2018-11-20 Water Pik, Inc. Oral irrigator base
USD839409S1 (en) 2016-12-15 2019-01-29 Water Pik, Inc. Oral irrigator unit
USD839410S1 (en) 2016-02-22 2019-01-29 Water Pik, Inc. Oral irrigator
USD840023S1 (en) 2016-12-15 2019-02-05 Water Pik, Inc. Oral irrigator reservoir
USD840022S1 (en) 2016-12-15 2019-02-05 Water Pik, Inc. Oral irrigator handle
US10258442B2 (en) 2009-03-20 2019-04-16 Water Pik, Inc. Oral irrigator appliance with radiant energy delivery for bactericidal effect

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10010389B2 (en) 2006-02-24 2018-07-03 Water Pik, Inc. Dental water jet device
USD802120S1 (en) * 2007-02-27 2017-11-07 Water Pik, Inc. Tip for oral irrigator
US10258442B2 (en) 2009-03-20 2019-04-16 Water Pik, Inc. Oral irrigator appliance with radiant energy delivery for bactericidal effect
US10105201B2 (en) 2012-10-11 2018-10-23 Water Pik, Inc. Interdental cleaner using water supply
US9987109B2 (en) 2013-03-15 2018-06-05 Water Pik, Inc. Mechanically-driven, sonic toothbrush and water flosser
US9980793B2 (en) 2013-11-27 2018-05-29 Water Pik, Inc. Oral hygiene system
US10022207B2 (en) 2013-11-27 2018-07-17 Water Pik, Inc. Oral irrigator with slide pause switch
US10016254B2 (en) 2013-12-20 2018-07-10 Water Pik, Inc. Dental water jet
USD819196S1 (en) 2014-12-01 2018-05-29 Water Pik, Inc. Handheld oral irrigator
USD822196S1 (en) 2016-01-14 2018-07-03 Water Pik, Inc. Oral irrigator
USD819956S1 (en) 2016-01-25 2018-06-12 Water Pik, Inc. Kit bag
USD804016S1 (en) 2016-02-05 2017-11-28 Water Pik, Inc. Handheld oral irrigator
USD815274S1 (en) 2016-02-05 2018-04-10 Water Pik, Inc. Handheld oral irrigator
USD839410S1 (en) 2016-02-22 2019-01-29 Water Pik, Inc. Oral irrigator
USD809651S1 (en) 2016-07-19 2018-02-06 Water Pik, Inc. Combination base and reservoir for an oral irrigator
USD804018S1 (en) 2016-07-19 2017-11-28 Water Pik, Inc. Base for an oral irrigator
USD807822S1 (en) 2016-07-19 2018-01-16 Water Pik, Inc. Power supply cartridge
USD796028S1 (en) 2016-07-19 2017-08-29 Water Pik, Inc. Oral irrigator
USD802747S1 (en) 2016-07-19 2017-11-14 Water Pik, Inc. Reservoir for oral irrigator
USD794773S1 (en) 2016-07-19 2017-08-15 Water Pik, Inc. Oral irrigator
USD840023S1 (en) 2016-12-15 2019-02-05 Water Pik, Inc. Oral irrigator reservoir
USD825741S1 (en) 2016-12-15 2018-08-14 Water Pik, Inc. Oral irrigator handle
USD822825S1 (en) 2016-12-15 2018-07-10 Water Pik, Inc. Oral irrigator unit
USD832418S1 (en) 2016-12-15 2018-10-30 Water Pik, Inc. Oral irrigator base
USD832420S1 (en) 2016-12-15 2018-10-30 Water Pik, Inc. Oral irrigator base
USD832419S1 (en) 2016-12-15 2018-10-30 Water Pik, Inc. Oral irrigator unit
USD833000S1 (en) 2016-12-15 2018-11-06 Water Pik, Inc. Oral irrigator unit
USD840022S1 (en) 2016-12-15 2019-02-05 Water Pik, Inc. Oral irrigator handle
USD829886S1 (en) 2016-12-15 2018-10-02 Water Pik, Inc. Oral irrigator base
USD833600S1 (en) 2016-12-15 2018-11-13 Water Pik, Inc. Oral irrigator reservoir
USD834180S1 (en) 2016-12-15 2018-11-20 Water Pik, Inc. Oral irrigator base
USD839409S1 (en) 2016-12-15 2019-01-29 Water Pik, Inc. Oral irrigator unit
USD822826S1 (en) 2016-12-15 2018-07-10 Water Pik, Inc. Oral irrigator base
USD833602S1 (en) 2017-02-06 2018-11-13 Water Pik, Inc. Oral irrigator base
USD833601S1 (en) 2017-02-06 2018-11-13 Water Pik, Inc. Oral irrigator
USD829887S1 (en) 2017-02-06 2018-10-02 Water Pik, Inc. Oral irrigator reservoir

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