US548775A - Shield-nozzle - Google Patents

Shield-nozzle Download PDF

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Publication number
US548775A
US548775A US548775DA US548775A US 548775 A US548775 A US 548775A US 548775D A US548775D A US 548775DA US 548775 A US548775 A US 548775A
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Prior art keywords
nozzle
shield
annular
sleeve
discharge
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/16—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets
    • B05B1/1609—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening having selectively- effective outlets with a selecting mechanism comprising a lift valve

Definitions

  • My invention relates to an improvement in shield-nozzles particularly adapted for use in connection with tireextinguishing hose to form ashield of waterin front of the iireman opened or closed at pleasure by the party manipulating the discharge end of the hose.
  • a practical embodiment of my invention is v represented in the accompanying drawings, in
  • FIG. 1 represents a longitudinal section of the nozzle
  • Fig. 2 a transverse section through line :1c-of Fig. l
  • Fig. 3 a longitudinal section through a nozzle provided with a different structure of stuffing-box.
  • nozzle here shown shall be adapted at its base for attachment to the discharge end of hose such as is in com mon use.
  • V The body of the nozzle is denoted by A andl is provided intermediate of .its ends, preferably near theldischarge end, with one or more openings a' through its wall. In practice I prefer to make fonrof these openings, two on one'side and two'more diametrically opposite.
  • the sleeve B provided with an annular re cess?) around the interior of its end toward the nozzle, has a Vscrew-threaded portion b along its interior, adapted to engage a. screw-V threaded portiona/ on the exterior of the body of the nozzle.
  • the end of the sleeve B, toward thev discharge end of the nozzle, is slightly beveled, as shown at b2, and forms one wall of the annular lateral dischargeopening.
  • the bevel b2 is intended to give the wall ofV water which is discharged laterally from the nozzle to form a shield a slight for- Y ward inclination,and this inclination may be in the trials thus far made.
  • the opposite wall of. the annular discharge opening is formedv by a nut O, provided with a screwf threaded portion c, adapted to engage a screwthreaded portion a2 on the exterior of the body of the nozzle.
  • the sleeve B at its end toward the base of the nozzle, is provided4 with an annular tongue b3, adapted to slide within an annular recess d3, formed in the face of a thickened or bulged portion 0,4 of the nozzle A.
  • an elastic packing'D which may be, for all practical purposes, an annular ring of gutta-percha.
  • the nut O is screwed home and the sleeve Bis withdrawn from the nut C to open the annular discharge-opening E.
  • the pressure of the water within the annular chamber formed by the recess b which communicates with the interior of the nozzle A through the openings a, will force the water through the opening E, forming a sheet or wall of water in advance of the operator carrying forward the nozzle, which wall of water will drive back the smoke and ilamefrom his faceand body, permitting him thereby to safely travel projection b4 for the reception of the interiorly-screw-threaded end of the stuftlng-box ring F, adapted to compress a ring of elastic material f between it and the end of the sleeve B and ⁇ thereby close the joint tightly between the sleeve and the exterior of the nozzle A.
  • What I claim is- 5 The combination with the discharge nozzle provided with a thickened portion having an annular recess in its face and; having open# ings through the body of the discharge nozzle, of an interiorly recessed sleevehaving a ,y ro screur threaded engagement with the exterior of the body of the nozzle and provided with an annular tongueadapted to enter the said annular recess in the thickened portion of thefbody of the nozzle and a nut having a screw threaded engagement with the exterior 15 of the body of the nozzle and forming an abutment for one end of the said recessed sleeve to close a discharge passage between said nut and'sleeve, substantially as set forth.

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Description

. (No Model.) W. 1:'. CUNNINGHAM.
SHIELD NOZZLE.
Patented Oct. 29, 1895.
@a e l @.WNW M m mf UNIT-ED YSTATES PATENT OFFICE.
WILLIAM F.` CUNNINGHAM, OF BROOKLYN, YORK.
y SHIELD-Nozzte.
SPECIFICATION forming part of VLetters Patent No. 548,775, dated October 29, 1895. Application led January 16, 1895. Serial No. 535,080. (No model.)
To va/ZZ whom it may concern:
Be it known that I, WILLIAM F. CUNNING- HAM, of Brooklyn, in the county of Kings and State of New York, have invented a new and useful Improvement in Shield-Nozzles, of'
which the following is a specification.
My invention relates to an improvement in shield-nozzles particularly adapted for use in connection with tireextinguishing hose to form ashield of waterin front of the iireman opened or closed at pleasure by the party manipulating the discharge end of the hose. A practical embodiment of my invention is v represented in the accompanying drawings, in
which- Y Figure 1 represents a longitudinal section of the nozzle; Fig. 2, a transverse section through line :1c-of Fig. l, and Fig. 3 a longitudinal section through a nozzle provided with a different structure of stuffing-box.
It is intended that the nozzle here shown shall be adapted at its base for attachment to the discharge end of hose such as is in com mon use.
VThe body of the nozzle is denoted by A andl is provided intermediate of .its ends, preferably near theldischarge end, with one or more openings a' through its wall. In practice I prefer to make fonrof these openings, two on one'side and two'more diametrically opposite.
The sleeve B, provided with an annular re cess?) around the interior of its end toward the nozzle, has a Vscrew-threaded portion b along its interior, adapted to engage a. screw-V threaded portiona/ on the exterior of the body of the nozzle. The end of the sleeve B, toward thev discharge end of the nozzle, is slightly beveled, as shown at b2, and forms one wall of the annular lateral dischargeopening. The bevel b2 is intended to give the wall ofV water which is discharged laterally from the nozzle to form a shield a slight for- Y ward inclination,and this inclination may be in the trials thus far made. The opposite wall of. the annular discharge opening is formedv by a nut O, provided with a screwf threaded portion c, adapted to engage a screwthreaded portion a2 on the exterior of the body of the nozzle.
The sleeve B, at its end toward the base of the nozzle, is provided4 with an annular tongue b3, adapted to slide within an annular recess d3, formed in the face of a thickened or bulged portion 0,4 of the nozzle A. Intermediate of the tongue b3 and the exterior of the body A of the nozzle, between the end of the sleeve B and the face of the bulge'a4,-I locate an elastic packing'D, which may be, for all practical purposes, an annular ring of gutta-percha.
As represented in Fig. l, the nut O is screwed home and the sleeve Bis withdrawn from the nut C to open the annular discharge-opening E. When so adjusted, thepressure of the water within the annular chamber formed by the recess b, which communicates with the interior of the nozzle A through the openings a, will force the water through the opening E, forming a sheet or wall of water in advance of the operator carrying forward the nozzle, which wall of water will drive back the smoke and ilamefrom his faceand body, permitting him thereby to safely travel projection b4 for the reception of the interiorly-screw-threaded end of the stuftlng-box ring F, adapted to compress a ring of elastic material f between it and the end of the sleeve B and`thereby close the joint tightly between the sleeve and the exterior of the nozzle A.
It is obvious that slight changes might be resorted to in the form and arrangement'of the several parts described without departthrough smoke'and flame to adjust the hose IOO ing from the spirit and scope of my invention. Hence I do not wish yto limit myselfI strictly to the structure herein set forth; but
What I claim is- 5 The combination with the discharge nozzle provided with a thickened portion having an annular recess in its face and; having open# ings through the body of the discharge nozzle, of an interiorly recessed sleevehaving a ,y ro screur threaded engagement with the exterior of the body of the nozzle and provided with an annular tongueadapted to enter the said annular recess in the thickened portion of thefbody of the nozzle and a nut having a screw threaded engagement with the exterior 15 of the body of the nozzle and forming an abutment for one end of the said recessed sleeve to close a discharge passage between said nut and'sleeve, substantially as set forth.
WILLIAM F. CUNNINGHAM.
Witn esses FREDK. HAYNES, GEORGE BARRY.
US548775D Shield-nozzle Expired - Lifetime US548775A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570828A (en) * 1947-04-24 1951-10-09 John N Martin Protective spray fire nozzle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570828A (en) * 1947-04-24 1951-10-09 John N Martin Protective spray fire nozzle

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