US3134182A - Steam iron base - Google Patents

Steam iron base Download PDF

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US3134182A
US3134182A US181057A US18105762A US3134182A US 3134182 A US3134182 A US 3134182A US 181057 A US181057 A US 181057A US 18105762 A US18105762 A US 18105762A US 3134182 A US3134182 A US 3134182A
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casting
iron base
tubular
steam
heating element
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US181057A
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Glenn R Morton
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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
    • D06F75/18—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 the water being fed slowly, e.g. drop by drop, from the reservoir to a steam generator
    • 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
    • D06F75/24—Arrangements of the heating means within the iron; Arrangements for distributing, conducting or storing the heat

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  • This invention relates to irons for heat pressing fabrics and the like. More specifically, the present invention relates to novel steam iron base structures.
  • the heating elements normally comprise resistance wires adapted to have a current passed therethrough for generating heat. It has been found convenient in many instances to enclose the wire in a tubular metal element of high heat conductivity which can be bent into a desired shape and incorporated in the base casting. A portion of the casting directly adjacent theheating element is left open, in the nature of an indentation or open chamber in the casting.
  • this indentation or chamber is closed by conventional means, such as welding or soldering a separate strip of metal to the open side of the chamber so that a substantially vapor-tight hollow cavity is formed in the casting adjacent all or part of the heating element.
  • This cavity then serves as the chamber in which the water is boiled into steam.
  • a hole is drilled into'one side of the chamber to allow the entrance of water from a reservoir in the body of the iron.
  • a second hole is drilled into the other side of the chamber to provide an exit for the steam into a desired portion of the iron to be applied to the fabric or the like which is being pressed.
  • Yet another object is to provide a novel steam iron base structure which is durable in use and economical in manufacture.
  • FIG. '1 is a perspective view of a preferred embodiment of the heating element and boiler or steam chamber of the present invention.
  • FIG. 2 is a fragmentary side sectional view taken on the line 22 of FIG. 1;
  • FIG. 3 is a fragmentary, sectional end perspective view taken on the line 33 of FIG. 1;
  • FIG. 4 is a top plan view of an iron base casting including the elements shown in FIG. 1.
  • the heating element represented generally by the numeral 10, as a substantially U-shaped member comprising an inner resistance wire 12, adapted to generate heat in response to the passage of an electric current therethrough, encased in an electrically insulating material 14, which provides minimal interference with the transfer of heat from wire 12 to the tubular casing 1 6, which also has high heat conducting properties.
  • a hollow tubular member 18 is provided adjacent heating element 10, and in M ice FIG. 1 is shown as being of substantially the same shape and attached directly thereto as by soldering, welding, or the like. It is also desirable that member 18 be constructedof a material having good heat conducting properties. Both casing 16 and member 18 may be conveniently fabricated from lengths of metal tubing, such as copper, for example.
  • the ends of member 18 may be closed, as by solder or welds, shown at 20 and 22, and attached to heating element 10' at the same time by the same solder or weld.
  • the unitary structure shown in FIG. 1, comprising the heating element having a hollow, sealed chamber associated therewith, is thus formed.
  • FIG. 4 a casting, designated generally by the numeral 24, into which is incorporated the structure shown in FIG. 1.
  • Casting 24 is designed to form the base portion of a steam iron.
  • a raised portion 26 on casting 24 encloses member 18. So that water may enter the chamber in the interior of member 18 from a conventional reservoir in the body of the iron (not shown) a hole 28 is drilled through raised portion 26 and member 18.
  • -A similar hole 30 is provided in the opposite end of raised portion 26 andvmember 18 so that after the water has been heated by element 10' the steam may escape.
  • the water reservoir is in communication with the interior of member 18 through hole 28, and hole 30 communicates with a chamber 32 formed in casting 24.
  • FIG. 1 when the structure shown in FIG. 1 is incorporated in the casting of the base portion of an iron, it is necessary only to drill holes through the casting and the tubular member forming the boiler or steam chamber and place these holes in communication with the water reservoir and steam outlet by conventional means.
  • Wire 12 in which the heat for providing the steam is generated, extends from the casting, and is adapted to be connected with a source of electrical en ergy, again by conventional means.
  • a steam iron base comprising, in combination:
  • a steam iron base comprising, in combination:
  • a steam iron base comprising, in combination:
  • said first passageway being in communication with a supply of water adapted to be introduced into said tubular element through said first passageway;
  • said second passageway being in communication with means for applying steam created by the heating of said water by said heating element to a workpiece through said iron base.
  • a steam iron base comprising, in combination,
  • said vapor-tight element being substantially U-shaped
  • said second passageway being in communication with said plurality of holes.

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  • Textile Engineering (AREA)
  • Irons (AREA)

Description

M y 1964 G. R. MORTON STEAM IRON BASE Filed March 20, 1962 United States F m 3,134,182' STEAM IRON 'BASE Glenn R. Morton, 7025 Sarpy Ave., Omaha, Nebr. Filed Mar. 20, 1962, Ser. No. 181,057 4 Claims. (Cl. 38-77) This invention relates to irons for heat pressing fabrics and the like. More specifically, the present invention relates to novel steam iron base structures.
' In the manufacture of steam irons it is a common practice to make a metal casting of the base element of the iron which includes the heating elements. The heating elements normally comprise resistance wires adapted to have a current passed therethrough for generating heat. It has been found convenient in many instances to enclose the wire in a tubular metal element of high heat conductivity which can be bent into a desired shape and incorporated in the base casting. A portion of the casting directly adjacent theheating element is left open, in the nature of an indentation or open chamber in the casting. After the casting has been made this indentation or chamber is closed by conventional means, such as welding or soldering a separate strip of metal to the open side of the chamber so that a substantially vapor-tight hollow cavity is formed in the casting adjacent all or part of the heating element. This cavity then serves as the chamber in which the water is boiled into steam. A hole is drilled into'one side of the chamber to allow the entrance of water from a reservoir in the body of the iron. A second hole is drilled into the other side of the chamber to provide an exit for the steam into a desired portion of the iron to be applied to the fabric or the like which is being pressed.
It is a principal object of the present invention to provide a steam iron base having an improved chamber in which the water is converted to steam.
It is a further object to provide a steam iron base having a hollow, tubular boiler chamber adjacent to the heating element, both of which are incorporated in the iron base casting.
Yet another object is to provide a novel steam iron base structure which is durable in use and economical in manufacture.
Other objects will in part be obvious and in part appear hereinafter.
The invention accordingly comprises the apparatus having the structure, arnangernent of parts and combination of elements as set forth in the following detailed disclosure, and the scope of the application of which will be indicated in the claims. For a fuller understanding of the nature and objects of the present invention reference should be had to the following detailed description, taken in connection with the accompanying drawing, wherein:
FIG. '1 is a perspective view of a preferred embodiment of the heating element and boiler or steam chamber of the present invention;
FIG. 2 is a fragmentary side sectional view taken on the line 22 of FIG. 1;
FIG. 3 is a fragmentary, sectional end perspective view taken on the line 33 of FIG. 1; and
FIG. 4 is a top plan view of an iron base casting including the elements shown in FIG. 1.
Referring now to the drawing, in FIG. 1 I have shown the heating element, represented generally by the numeral 10, as a substantially U-shaped member comprising an inner resistance wire 12, adapted to generate heat in response to the passage of an electric current therethrough, encased in an electrically insulating material 14, which provides minimal interference with the transfer of heat from wire 12 to the tubular casing 1 6, which also has high heat conducting properties. A hollow tubular member 18 is provided adjacent heating element 10, and in M ice FIG. 1 is shown as being of substantially the same shape and attached directly thereto as by soldering, welding, or the like. It is also desirable that member 18 be constructedof a material having good heat conducting properties. Both casing 16 and member 18 may be conveniently fabricated from lengths of metal tubing, such as copper, for example. The ends of member 18 may be closed, as by solder or welds, shown at 20 and 22, and attached to heating element 10' at the same time by the same solder or weld. The unitary structure shown in FIG. 1, comprising the heating element having a hollow, sealed chamber associated therewith, is thus formed.
In FIG. 4 is shown a casting, designated generally by the numeral 24, into which is incorporated the structure shown in FIG. 1. Casting 24 is designed to form the base portion of a steam iron. A raised portion 26 on casting 24 encloses member 18. So that water may enter the chamber in the interior of member 18 from a conventional reservoir in the body of the iron (not shown) a hole 28 is drilled through raised portion 26 and member 18. -A similar hole 30 is provided in the opposite end of raised portion 26 andvmember 18 so that after the water has been heated by element 10' the steam may escape. When the iron is fully assembled the water reservoir is in communication with the interior of member 18 through hole 28, and hole 30 communicates with a chamber 32 formed in casting 24. It is a conventional practice to provide holes, such as those shown at 34, through the base of the iron so that the steam may be applied to the fabric, or the like, being ironed.
Thus, it may be seen that when the structure shown in FIG. 1 is incorporated in the casting of the base portion of an iron, it is necessary only to drill holes through the casting and the tubular member forming the boiler or steam chamber and place these holes in communication with the water reservoir and steam outlet by conventional means. Wire 12, in which the heat for providing the steam is generated, extends from the casting, and is adapted to be connected with a source of electrical en ergy, again by conventional means.
Some changes may be made in the construction and arrangement of my steam iron base without departing from the real spirit and purpose of my invention, and it is my invention to cover by my claims, any modified forms of structure or use of mechanical equivalents which may be reasonably included within their scope.
I claim:
1. A steam iron base comprising, in combination:
(a) an iron base casting;
(b) a substantially U-shaped, tubular, electric heating element incorporated in and enclosed by said casting and adapted to be connected with a source of electrical energy;
(0) a hollow, tubular, substantially vapor-tight element attached to the upper portion of said heating element, said vapor tight tubular element being incorporated in and enclosed by said casting;
(d) a first passageway extending through a first portion of said casting to the interior of said vapor tight tubular element; and
(e) a second passageway extending through a second portion of said casting to the interior of said vapor tight tubular element, said second passageway being substantially spaced from said first passageway, a plurality of holes in the bottom of said iron base casting between the sides of said U-shaped heating element, said second passageway being in communication with said plurality of holes.
2. A steam iron base comprising, in combination:
(a) an iron base casting having a raised portion;
(b) an elongated electric heating element incorporated in and enclosed by said casting;
(0), a hollow, tubular, substantially vapor-tight element incorporated in and enclosed by the raised portion on said casting, and secured to the upper portion of said heating element; I
I (d) a first passageway extending through said raised portion and said tubular element adjacent one end thereof; and
(e) a second passageway extending through said raised portion and said tubular element adjacent the other end thereof.
3. A steam iron base comprising, in combination:
(a) an iron base casting having a raised portion;
(b) a substantially U-shaped electric heating element incorporated in and enclosed by said casting;
(c) a hollow, tubular, substantially vapor-tight element incorporated in and enclosed in the raised portion on said casting, and secured to the upper portion of said heating element said vapor-tight element being substantially U-shaped;
(d) a first passageway extending through said raised portion and said tubular element adjacent one end thereof;
(2) a second passageway extending through said raised portion and said tubular element adjacent the other end thereof;
(f) said first passageway being in communication with a supply of water adapted to be introduced into said tubular element through said first passageway; and
(g) said second passageway being in communication with means for applying steam created by the heating of said water by said heating element to a workpiece through said iron base.
4. A steam iron base comprising, in combination,
an iron base casting,
ISO
Cit
a substantially U-shaped, tubular, electric heating element incorporated in and enclosed by said casting and adapted to be connected with a source of electrical energy,
a hollow, tubular, substantially vapor-tight element attached to the upper portion of said heating element, said vapor tight tubular element being incorporated in and enclosed by said casting,
said vapor-tight element being substantially U-shaped,
a first passageway extending through a first portion of said casting to the interior of said vapor-tight element,
a second passageway extending through a second portion of said casting to the interior of said vapor-tight element, said second passageway being substantially spaced from said first passageway,
a plurality of holes in the bottom of said iron base casts ing between the sides of said U-shaped heating element,
said second passageway being in communication with said plurality of holes.
References Cited in the file of this patent UNITED STATES PATENTS 2,122,604 Bridges July 5, 1938 2,353,604 Waring et al. July 11, 1944 2,683,320 Morton July 13, 1954 2,713,221 Smellis July 19, 1955. 2,880,530 Schwaneke Apr. 7, 1959 2,880,531 Houck Apr. 7, 1959 2,933,804 Math Apr. 26, 1960

Claims (1)

1. A STEAM IRON BASE COMPRISING, IN COMBINATION: (A) AN IRON BASE CASTING; (B) A SUBSTANTIALLY U-SHAPED, TUBULAR, ELECTRIC HEATING ELEMENT INCORPORATED IN AND ENCLOSED BY SAID CASTING AND ADAPTED TO BE CONNECTED WITH A SOURCE OF ELECTRICAL ENERGY; (C) A HOLLOW, TUBULAR, SUBSTANTIALLY VAPOR-TIGHT ELEMENT ATTACHED TO THE UPPER PORTION OF SAID HEATING ELEMENT, SAID VAPOR TIGHT TUBULAR ELEMENT BEING INCORPORATED IN AND ENCLOSED BY SAID CASTING;
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272964A (en) * 1964-06-15 1966-09-13 Carlos J Paul Fabric steamer
US3828452A (en) * 1973-06-01 1974-08-13 Scm Corp Steam generating subassembly for electric iron
US3930325A (en) * 1974-07-24 1976-01-06 General Electric Company Steam iron soleplate construction
FR2489859A1 (en) * 1980-09-10 1982-03-12 Seb Sa ELECTRIC IRONING IRON WITH STEAM
WO1986006116A1 (en) * 1985-04-16 1986-10-23 Riba Guenther High-pressure steam iron

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122604A (en) * 1935-11-29 1938-07-05 Raymond G Bridges Electric resistance element and method of making same
US2353604A (en) * 1940-08-21 1944-07-11 Merrill M Kistner Base unit for steam and electric irons
US2683320A (en) * 1948-11-05 1954-07-13 Westinghouse Electric Corp Steam iron
US2713221A (en) * 1951-12-15 1955-07-19 Hoover Co Electric irons
US2880531A (en) * 1955-10-10 1959-04-07 Proctor Mfg Corp Flatiron
US2880530A (en) * 1954-04-27 1959-04-07 Dormeyer Corp Electric iron
US2933804A (en) * 1955-05-12 1960-04-26 Math Fritz Electrical wire resistors and method of manufacturing the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2122604A (en) * 1935-11-29 1938-07-05 Raymond G Bridges Electric resistance element and method of making same
US2353604A (en) * 1940-08-21 1944-07-11 Merrill M Kistner Base unit for steam and electric irons
US2683320A (en) * 1948-11-05 1954-07-13 Westinghouse Electric Corp Steam iron
US2713221A (en) * 1951-12-15 1955-07-19 Hoover Co Electric irons
US2880530A (en) * 1954-04-27 1959-04-07 Dormeyer Corp Electric iron
US2933804A (en) * 1955-05-12 1960-04-26 Math Fritz Electrical wire resistors and method of manufacturing the same
US2880531A (en) * 1955-10-10 1959-04-07 Proctor Mfg Corp Flatiron

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272964A (en) * 1964-06-15 1966-09-13 Carlos J Paul Fabric steamer
US3828452A (en) * 1973-06-01 1974-08-13 Scm Corp Steam generating subassembly for electric iron
US3930325A (en) * 1974-07-24 1976-01-06 General Electric Company Steam iron soleplate construction
FR2489859A1 (en) * 1980-09-10 1982-03-12 Seb Sa ELECTRIC IRONING IRON WITH STEAM
EP0047695A1 (en) * 1980-09-10 1982-03-17 Seb S.A. Electric steam iron
US4414766A (en) * 1980-09-10 1983-11-15 Seb S.A. Steam iron sole plate design
WO1986006116A1 (en) * 1985-04-16 1986-10-23 Riba Guenther High-pressure steam iron
US4747222A (en) * 1985-04-16 1988-05-31 Riba Guenther High-pressure steam flatiron

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