US2240612A - Steaming iron - Google Patents

Steaming iron Download PDF

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Publication number
US2240612A
US2240612A US31169539A US2240612A US 2240612 A US2240612 A US 2240612A US 31169539 A US31169539 A US 31169539A US 2240612 A US2240612 A US 2240612A
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United States
Prior art keywords
iron
steam
valve
handle
steaming
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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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Inventor
Henry V Ekstedt
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ERNEST F POHL
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ERNEST F POHL
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Publication date
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Priority to US31169539 priority Critical patent/US2240612A/en
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Publication of US2240612A publication Critical patent/US2240612A/en
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F75/00—Hand irons
    • D06F75/08—Hand irons internally heated by electricity
    • D06F75/10—Hand irons internally heated by electricity with means for supplying steam to the article being ironed
    • D06F75/14—Hand irons internally heated by electricity with means for supplying steam to the article being ironed the steam being produced from water in a reservoir carried by the iron
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7927—Ball valves

Definitions

  • the object of the present invention is to provide for steaming irons a concealed safety pressure release valve adapted, should an iron while, containing water or water and steam be heated to a higher temperature than a predetermined degree and the pressure within the iron increased beyond a predetermined degree, to open automatically under pressure within the iron and permit the escape of steam and thereby reduce the internal pressure, so that there will be no liability of any injury resulting from overheating a steaming iron containing water.
  • a further object of theinventlon is to provide a pressure release safety valve of this character which will be built in the steaming iron and so arranged that a portion of the iron will conceal the pressure release valve and also operate as a shield or guard to prevent escaping steam from.
  • Figure 3 is an exploded view illustrating the construction of the pressure release safety valve.
  • I designates a pressure release safety valve which is located at the top wall 2-of a hollow body or casing 3 of an electric steaming iron.
  • the pressure release safety valve is applicable to all types of steaming irons having a water reservoir adapted to receive water to be converted into steam for discharge at the pressing surface of the iron in the usual manner.
  • the steam electric iron may be conveniently constructed as shown and described in my copending application filed tion of the means for conducting steam from the interior of the hollow body or casing to the pressoperator in theynormal use of the iron, so that there will be little liability of any escaping steam or water coming in contact with any portion of the body of a' person operating the iron.
  • the invention consists in the construction and novel combination and arrangement- 0f parts hereinafter fully described, illustrated in the accompanying drawing ⁇ and pointed out in the claims hereto appended, it being understood that various changes in the .form, proportions and minor details of construction may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.
  • Figure 1 is a side elevation partly in section of an electric steaming iron provided with a pressure release safety .valve constructed in accordance with this invention.
  • FIG. 2 is-a front elevation of the same showing surface of the iron is deemed unnecessary; However, in Fig. l of the drawing is illustrated the upper end of a steam pipe 6, which is located at the front portion of the water reservoir and which has its upper end located within an elongated pocket 5
  • the opening 9 extends frornthe front to the rear portion of the hollow body and the ends of the removable cover plate 8 are located in recesses I0 and II of a handle I! constructed of Bakelite or other suitable non-' heat-conducting material.
  • the handle l2 which is of the usual configuration, is detachably secured at its front and front end of the'handl'e is arranged in spaced resecured to the hollow body or casing by the screw l2
  • the chamber l3 and the space ll provide a steam outlet from the pressure release safety valve 'to the atmosphere for the passage of steam discharged from said valve.
  • the pressure release safety valve comprises in its construction a barrel l'l arranged in substantially a vertical position and provided with a bore or opening l8, which is reduced in diameter at the lower end of the barrel to form a valve seat l9 for the reception of a ball 20.
  • the ball 20 is normally retained on the seat l9 by a coil spring 2
  • the lower end 23 of the barrel is exteriorly threaded and preferably tapered slightly in a downward direction and is screwed into a threaded opening 24 in the cover plate 8 at the front end of the elongated pocket 'I.
  • the upper end of the barrel i8 is interiorly threaded at 25 to receive the apertured plug 22, which is exteriorly threaded at- 26 to engage the screw threads 25 in the upper end of the barrel.
  • the threaded plug is provided with a central opening .271 for the escape of steam from the hollow body, and it is provided at opposite sides of the upper end of the opening 21 with grooves or recesses 28 for the reception of 'a screw driver or other tool for rotating the apertured plug to screw the same into or out of the barrel and also to adjust the same to vary the tension of the spring, so that the pressure release safety valve will open only when the pressure interiorly of the hollow body reaches a predetermined degree.
  • the valve When the steam pressure within the hollow body 3 exceeds the predetermined degree for which thepressure release safety valve is set, the valve will open automatically and permit steam to pass through it into the chamber l3 and out through the outlet 15, and, as soon as the pressure within the hollow body is reduced to or below said predetermined degree, the valve will close automatically.
  • valve When the valve opens under excessive internal pressure and steam is discharged through the same, it escapes through the outlet l5 and is discharged from the iron in a forward direction away from the operator, when the person is operating the iron and the latter is in normal position with respect to the person. As the steam discharges forwardly from the front end of the iron, there will be no danger of the discharged" end of the handle of the iron and within.
  • valve provided in the front end for the valve, abuilt-in structure is afforded and the valve is concealed from view and adequate protection for the operator is provided.
  • a steaming iron including a water reservoir adapted to contain water to be converted into steam, a handle provided at the lower face of one of its ends with a recess forming a chamber,
  • a pressure release safety valve mounted on the steaming iron and located at the chamber of said handle and communicating with the water reservoir and operable under pressure within the reservoir when said pressure exceeds a predetermined degree, and an outlet communicating with said chamber and leading to the atmosphere said handle forming a shield for protecting an operator from steam discharged by said valve.
  • a steaming iron including a water reservoir adapted to contain water to be converted into steam, a handle provided in the lower face of its front end with a recess forming a chamber, an outlet communicating with the chamber and .leading to the atmosphere at the front end of the steaming iron, and a pressure release safety valve carried by the steaming iron and communicating with the water reservoir and located at the chamber in the front end of the handle and operable under pressure within the water reservoir when such pressure exceeds a predetermined degree, said handle forming a shield for protecting an operator from steam discharged by said valve.
  • a steaming iron including a hollow body forming a water reservoir adapted to contain water to be converted into steam, a handle mounted on the hollow body and provided in the lower face of its front end with a recess forming a chamber, a portion of the front end of the handle being arranged in spaced relation with the hollow body to form an outlet leading from said chamber to the atmosphere, and a pressure release safety valve mounted on the hollow body and communicating with the water reservoir and located at said chamber in the handle, said valve being operable under pressure within the water reservoir when such pressure exceeds-a predetermined degree, the front end of the handle forming a shield for protecting an operator from steam discharged by said valve.
  • a steaming iron having a water reservoir adapted to contain water to be converted into steam and provided with a handle having a chambered portion, a pressure release safety valve having communication with the reservoir and extending into saidchambered portion of the handle and operable under pressure within the water reservoir when such pressure exceeds a predetermined degree, and an outlet communicating with said chambered portion of the ham dle and leading to the atmosphere for the discharge ofsteam passing through said valve.

Description

M y 1941- H. v. EKSTEDT 2,240,612
STEAMING IRON Filed Dec. 29, 1939 son operating the iron.
Patented May 6, 1941 UNITED STATES PATENT OFFICE STEAMING IRON Henry V. Ekstedt, St. Louis, Mo., assignor to Ernest F. Pohl, St. Louis, Mo.
Application December 29, 1939, Serial No. 311,695
4 Claims. (Cl. 38-77) ing the front end of the handle arranged in The invention relates to a steaming iron.
The object of the present invention is to provide for steaming irons a concealed safety pressure release valve adapted, should an iron while, containing water or water and steam be heated to a higher temperature than a predetermined degree and the pressure within the iron increased beyond a predetermined degree, to open automatically under pressure within the iron and permit the escape of steam and thereby reduce the internal pressure, so that there will be no liability of any injury resulting from overheating a steaming iron containing water.
A further object of theinventlon is to provide a pressure release safety valve of this character which will be built in the steaming iron and so arranged that a portion of the iron will conceal the pressure release valve and also operate as a shield or guard to prevent escaping steam from.
coming in contact with the hand or arm of the operator and scalding or otherwise injuring the operator.
It is also an object of the invention to arrange the pressure release safety valve at the top of the water and steam generating reservoir beneath one end of the handle of the steaming iron, so that such end of the handle will conceal the pressure release safety valve and form a shield or guard which will prevent any escaping steam or hot water from coming in contact with a per- Another object of the invention is to arrange the outlet for the escape of steam so that such escaping steam will be discharged forwardly from the front end ofthe iron and away from the.
spaced relation with the holder body or casing at the frontend thereof to form an outlet for the pressure release safety valve.
Figure 3 is an exploded view illustrating the construction of the pressure release safety valve.
In the accompanying drawing in which is,illus trated the preferred embodiment of the invention, I designates a pressure release safety valve which is located at the top wall 2-of a hollow body or casing 3 of an electric steaming iron. The pressure release safety valve is applicable to all types of steaming irons having a water reservoir adapted to receive water to be converted into steam for discharge at the pressing surface of the iron in the usual manner. The steam electric iron may be conveniently constructed as shown and described in my copending application filed tion of the means for conducting steam from the interior of the hollow body or casing to the pressoperator in theynormal use of the iron, so that there will be little liability of any escaping steam or water coming in contact with any portion of the body of a' person operating the iron.
'With these and other objects in view, the invention consists in the construction and novel combination and arrangement- 0f parts hereinafter fully described, illustrated in the accompanying drawing {and pointed out in the claims hereto appended, it being understood that various changes in the .form, proportions and minor details of construction may be resorted to without departing from the spirit or sacrificing any of the advantages of the invention.
In the drawing:
Figure 1 is a side elevation partly in section of an electric steaming iron provided with a pressure release safety .valve constructed in accordance with this invention.
Figure 2 is-a front elevation of the same showing surface of the iron is deemed unnecessary; However, in Fig. l of the drawing is illustrated the upper end of a steam pipe 6, which is located at the front portion of the water reservoir and which has its upper end located within an elongated pocket 5| formed in the lower face of a removable cover plate 8 which covers and closes a longitudinal opening 9 in the top wall of the hollow body or casing 3. The opening 9 extends frornthe front to the rear portion of the hollow body and the ends of the removable cover plate 8 are located in recesses I0 and II of a handle I! constructed of Bakelite or other suitable non-' heat-conducting material. 1 w
The handle l2, which is of the usual configuration, is detachably secured at its front and front end of the'handl'e is arranged in spaced resecured to the hollow body or casing by the screw l2 Thus, the chamber l3 and the space ll provide a steam outlet from the pressure release safety valve 'to the atmosphere for the passage of steam discharged from said valve.
The pressure release safety valve comprises in its construction a barrel l'l arranged in substantially a vertical position and provided with a bore or opening l8, which is reduced in diameter at the lower end of the barrel to form a valve seat l9 for the reception of a ball 20. The ball 20 is normally retained on the seat l9 by a coil spring 2| arranged within the bore or openingll of the barrel and interposed between the ball 20 and an apertured plug 22. The lower end 23 of the barrel is exteriorly threaded and preferably tapered slightly in a downward direction and is screwed into a threaded opening 24 in the cover plate 8 at the front end of the elongated pocket 'I. The upper end of the barrel i8 is interiorly threaded at 25 to receive the apertured plug 22, which is exteriorly threaded at- 26 to engage the screw threads 25 in the upper end of the barrel. The threaded plug is provided with a central opening .271 for the escape of steam from the hollow body, and it is provided at opposite sides of the upper end of the opening 21 with grooves or recesses 28 for the reception of 'a screw driver or other tool for rotating the apertured plug to screw the same into or out of the barrel and also to adjust the same to vary the tension of the spring, so that the pressure release safety valve will open only when the pressure interiorly of the hollow body reaches a predetermined degree.
When the steam pressure within the hollow body 3 exceeds the predetermined degree for which thepressure release safety valve is set, the valve will open automatically and permit steam to pass through it into the chamber l3 and out through the outlet 15, and, as soon as the pressure within the hollow body is reduced to or below said predetermined degree, the valve will close automatically.
When the valve opens under excessive internal pressure and steam is discharged through the same, it escapes through the outlet l5 and is discharged from the iron in a forward direction away from the operator, when the person is operating the iron and the latter is in normal position with respect to the person. As the steam discharges forwardly from the front end of the iron, there will be no danger of the discharged" end of the handle of the iron and within. the
chamber provided in the front end for the valve, abuilt-in structure is afforded and the valve is concealed from view and adequate protection for the operator is provided.
What is claimed is: v
1. A steaming iron including a water reservoir adapted to contain water to be converted into steam, a handle provided at the lower face of one of its ends with a recess forming a chamber,
a pressure release safety valve mounted on the steaming iron and located at the chamber of said handle and communicating with the water reservoir and operable under pressure within the reservoir when said pressure exceeds a predetermined degree, and an outlet communicating with said chamber and leading to the atmosphere said handle forming a shield for protecting an operator from steam discharged by said valve.
2. A steaming iron including a water reservoir adapted to contain water to be converted into steam, a handle provided in the lower face of its front end with a recess forming a chamber, an outlet communicating with the chamber and .leading to the atmosphere at the front end of the steaming iron, and a pressure release safety valve carried by the steaming iron and communicating with the water reservoir and located at the chamber in the front end of the handle and operable under pressure within the water reservoir when such pressure exceeds a predetermined degree, said handle forming a shield for protecting an operator from steam discharged by said valve.
3. A steaming iron including a hollow body forming a water reservoir adapted to contain water to be converted into steam, a handle mounted on the hollow body and provided in the lower face of its front end with a recess forming a chamber, a portion of the front end of the handle being arranged in spaced relation with the hollow body to form an outlet leading from said chamber to the atmosphere, and a pressure release safety valve mounted on the hollow body and communicating with the water reservoir and located at said chamber in the handle, said valve being operable under pressure within the water reservoir when such pressure exceeds-a predetermined degree, the front end of the handle forming a shield for protecting an operator from steam discharged by said valve.
4. A steaming iron having a water reservoir adapted to contain water to be converted into steam and provided with a handle having a chambered portion, a pressure release safety valve having communication with the reservoir and extending into saidchambered portion of the handle and operable under pressure within the water reservoir when such pressure exceeds a predetermined degree, and an outlet communicating with said chambered portion of the ham dle and leading to the atmosphere for the discharge ofsteam passing through said valve.
HENRY V. EKSTED'I.
US31169539 1939-12-29 1939-12-29 Steaming iron Expired - Lifetime US2240612A (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456490A (en) * 1945-11-10 1948-12-14 Milsteel Products Co Steam-press iron and steam baffle and separator therefor
US2557732A (en) * 1946-09-11 1951-06-19 Gen Electric Water supply means for steam iron steam generators
US2612709A (en) * 1946-11-09 1952-10-07 Knapp Monarch Co Steam iron
US2762143A (en) * 1948-03-31 1956-09-11 Gen Electric Steam iron
US2769258A (en) * 1949-08-31 1956-11-06 Gen Electric Steam irons
US2865398A (en) * 1955-01-21 1958-12-23 Corpa Inc Hydraulic brake bleeding check valve
EP0138775A2 (en) * 1983-09-28 1985-04-24 OLIMPIC DI COSTA LORENZO & C. s.n.c. Accumulation steam iron
US20070017128A1 (en) * 2003-05-16 2007-01-25 Koninklijke Philips Electronics N.V. Iron with cartridge
US20100107458A1 (en) * 2007-03-14 2010-05-06 Dierk Spatz Steam iron with tank including overpressure safety device
US20120324768A1 (en) * 2006-08-07 2012-12-27 Koninklijke Philips Electronics N.V. Steam iron
US20130189143A1 (en) * 2012-01-20 2013-07-25 Kabushiki Kaisha Toyota Jidoshokki Differential pressure regulating valve and motor-driven compressor having differential pressure regulating valve

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456490A (en) * 1945-11-10 1948-12-14 Milsteel Products Co Steam-press iron and steam baffle and separator therefor
US2557732A (en) * 1946-09-11 1951-06-19 Gen Electric Water supply means for steam iron steam generators
US2612709A (en) * 1946-11-09 1952-10-07 Knapp Monarch Co Steam iron
US2762143A (en) * 1948-03-31 1956-09-11 Gen Electric Steam iron
US2769258A (en) * 1949-08-31 1956-11-06 Gen Electric Steam irons
US2865398A (en) * 1955-01-21 1958-12-23 Corpa Inc Hydraulic brake bleeding check valve
EP0138775A3 (en) * 1983-09-28 1986-12-03 Olimpic Di Costa Lorenzo & C. S.N.C. Accumulation steam iron
US4571862A (en) * 1983-09-28 1986-02-25 Olimpic Di Costa Lorenzo & C. S.N.C. Electric steam iron
EP0138775A2 (en) * 1983-09-28 1985-04-24 OLIMPIC DI COSTA LORENZO & C. s.n.c. Accumulation steam iron
US20070017128A1 (en) * 2003-05-16 2007-01-25 Koninklijke Philips Electronics N.V. Iron with cartridge
US7451559B2 (en) * 2003-05-16 2008-11-18 Koninklijke Philips Electronics N.V. Iron with cartridge
US20120324768A1 (en) * 2006-08-07 2012-12-27 Koninklijke Philips Electronics N.V. Steam iron
US20100107458A1 (en) * 2007-03-14 2010-05-06 Dierk Spatz Steam iron with tank including overpressure safety device
US8181368B2 (en) * 2007-03-14 2012-05-22 Rowenta Werke Gmbh Steam iron with tank including overpressure safety device
US20130189143A1 (en) * 2012-01-20 2013-07-25 Kabushiki Kaisha Toyota Jidoshokki Differential pressure regulating valve and motor-driven compressor having differential pressure regulating valve
US9360012B2 (en) * 2012-01-20 2016-06-07 Kabushiki Kaisha Toyota Jidoshokki Differential pressure regulating valve and motor-driven compressor having differential pressure regulating valve

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