US3642182A - Machines for ironing laundry, and similar machines - Google Patents

Machines for ironing laundry, and similar machines Download PDF

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Publication number
US3642182A
US3642182A US24766A US3642182DA US3642182A US 3642182 A US3642182 A US 3642182A US 24766 A US24766 A US 24766A US 3642182D A US3642182D A US 3642182DA US 3642182 A US3642182 A US 3642182A
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US
United States
Prior art keywords
vessels
cylindrical member
cylinder
machine
tube means
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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US24766A
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English (en)
Inventor
Guy Bhavsar
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Individual
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Individual
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Publication date
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Publication of US3642182A publication Critical patent/US3642182A/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
    • D06F67/00—Details of ironing machines provided for in groups D06F61/00, D06F63/00, or D06F65/00
    • D06F67/02—Rollers; Heating arrangements therefor

Definitions

  • ABSTRACT A machine for ironing laundry, or a similar machine with a working part heated by steam, such as an ironing press, ironerdryer, dryer, or a calender, is equipped with a steam generator working in a closed circuit with the heated working part, which may be at least one double-walled cylinder an upper region of which is connected to the upper region of at least one of two evaporating vessels which are arranged parallel to each other below the cylinder and which have their upper regions connected by an equalizing tube and their lower regions connected by finned tubes disposed above a source of heat, the lower regions of the evaporating vessel also being connected to the bottom region of the cylinder, and the machine preferably being provided with a filling valve, a water level indicator, a pressure gauge and an adjustable pressure-stat, in addition to the necessary safety valve, vacuum release valve and air bleeder.
  • the invention conveniently fills this gap and enables this category of user to benefit from the advantages of this kind of steam-operated machine, without, however, being compelled to avail themselves of a boiler or a steam generator separate from the machine.
  • a machine for ironing laundry, or a similar machine with a working part heated by steam is equipped with a steam generator which is an integral part of the machine and works in a closed circuit with the heated working part, that is to say, without water having to be added during the course of its operation.
  • the heated working part comprises a double-walled cylinder, an upper region of which is connected to the upper region of at least one of two evaporating vessels which are arranged parallel to each other below the cylinder and which have their upper regions connected together by an equalizing tube and their lower regions connected together by finned tubes disposed above a source of heat, the lower regions of the evaporating vessels also being connected to the bottom region of the cylinder.
  • a safety valve for its correct working and to ensure its safety
  • a vacuum release valve for its correct working and to ensure its safety
  • an air bleeder there is also preferably provided a filling valve for the water, a water-level indicator, a pressure gauge, and an adjustable pressure-stat.
  • cylinder or cylinders fed with steam from the same closed-circuit generator, and the cylinder or cylinders may be fixed or rotary; and the cylinder or cylinders may, as is well known, be replaced by one or more ironing tanks.
  • reference numerals 2 indicate in a general and very schematic way the machine frame, and 3 indicates the double wall of the cylinder, which is to be supplied with steam, and the invention consists of a steam generator which works in a closed circuit as described below.
  • evaporating vessels 4a, 4b Underneath the cylinder 3 are arranged two evaporating vessels 4a, 4b, parallel to each other. These vessels are connected together in their upper regions by an equalizing tube 5. and in their lower regions by several finned tubes 6 (only one being shown) which are disposed above a gas burner 7.
  • a tube 8 extends from the top of the vessel 4a to a discharge branch 9 into the upper region of the double-walled cylinder 3, and then extends for a further distance to a safety valve 10. Above the branch 9 two small tubes are inserted into the tube 8, one leading to a pressure gauge 12 and the other to a regulating pressure-stat 13.
  • Two tubes, 14a, 14b respectively extend from the lower regions of the vessels 4a, 4b respectively to the ends of the bottom of the double-walled cylinder 3.
  • the upper regions of the two 'vessels 4a, 4b are provided respectively with a valve 15 for filling with water and a vacuum release valve 16, and an air bleeder 17 is provided on a tube 18 from the highest part of the double-walled cylinder 3.
  • the valve 15 After opening the valve 15, filling is effected until the water in the vessels 4a, 4b reaches the level shown by an indicator 19. The valve 15 is then closed, and the gas burner 7 is ignited. After a certain amount of heating, the water in the vessels 4a, 4b evaporates and steam is supplied through the tube 8 to the double-walled cylinder 3, while the condensates return to the two vessels 4a, 4b through the tubes 14a, 14b respectively.
  • the steam generator works on a closed-circuit basis with the ironing cylinder, constantly feeding the latter with steam.
  • a closed-circuit steam generator comprising a pair of fluid-containing evaporating vessels positioned below said cylindrical member in parallel-spaced relationship; finned tube means interconnecting the lower portions ofsaid vessels in fluid-conveying relationship; a source of heat below said tube means so as to convert at least a portion of fluid therein into heated vapor; second tube means interconnecting the upper portions of said vessels for equalizing the vapor pressure therebetween; third tube means communicating between the upper portion of one of said vessels and the space defined by the double wall of said cylindrical member in the upper region of said cylindrical member for conveying heated vapor to said cylindrical member space from said vessel; and further tube means communicating between the space defined by the double wall of said cylindrical member in the lower region thereof and the lower portions of said vessels for conveying condensate from said cylindrical member both to said vessels.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Drying Of Solid Materials (AREA)
US24766A 1969-04-30 1970-04-01 Machines for ironing laundry, and similar machines Expired - Lifetime US3642182A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6912707A FR2041389A5 (enrdf_load_html_response) 1969-04-30 1969-04-30

Publications (1)

Publication Number Publication Date
US3642182A true US3642182A (en) 1972-02-15

Family

ID=9032879

Family Applications (1)

Application Number Title Priority Date Filing Date
US24766A Expired - Lifetime US3642182A (en) 1969-04-30 1970-04-01 Machines for ironing laundry, and similar machines

Country Status (7)

Country Link
US (1) US3642182A (enrdf_load_html_response)
BE (1) BE739642A (enrdf_load_html_response)
CH (1) CH502471A (enrdf_load_html_response)
DE (1) DE1952438A1 (enrdf_load_html_response)
FR (1) FR2041389A5 (enrdf_load_html_response)
GB (1) GB1249788A (enrdf_load_html_response)
NL (1) NL6917835A (enrdf_load_html_response)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090307921A1 (en) * 2006-06-12 2009-12-17 Sang Hun Bae Laundry dryer and method for controlling the same
CN101466886B (zh) * 2006-06-12 2011-02-02 Lg电子株式会社 衣物烘干机以及用于控制该衣物烘干机的方法
US11261560B2 (en) * 2018-12-28 2022-03-01 Utilization Technology Development, Nfp Method and system of thermo-vacuum drying and processing
US11885563B2 (en) 2018-12-28 2024-01-30 Utilization Technology Development, Nfp Method and system of thermo-vacuum drying and processing

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321246A1 (de) * 1983-06-11 1984-12-20 Wilh. Cordes GmbH & Co, 4740 Oelde Buegelmaschine mit einem feststehenden buegelkoerper

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1359916A (en) * 1917-05-10 1920-11-23 Power Specialty Co Superheater
US1796512A (en) * 1925-12-17 1931-03-17 Delaunay Belleville Ets Boiler with high evaporative capacity
US2074410A (en) * 1934-06-27 1937-03-23 American Laundry Mach Co Pressing and ironing machine
US3124283A (en) * 1964-03-10 Mist generator
US3477620A (en) * 1967-05-05 1969-11-11 Gerard Jean Rebiscoul Garment-treating machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124283A (en) * 1964-03-10 Mist generator
US1359916A (en) * 1917-05-10 1920-11-23 Power Specialty Co Superheater
US1796512A (en) * 1925-12-17 1931-03-17 Delaunay Belleville Ets Boiler with high evaporative capacity
US2074410A (en) * 1934-06-27 1937-03-23 American Laundry Mach Co Pressing and ironing machine
US3477620A (en) * 1967-05-05 1969-11-11 Gerard Jean Rebiscoul Garment-treating machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090307921A1 (en) * 2006-06-12 2009-12-17 Sang Hun Bae Laundry dryer and method for controlling the same
CN101466886B (zh) * 2006-06-12 2011-02-02 Lg电子株式会社 衣物烘干机以及用于控制该衣物烘干机的方法
EP2027326A4 (en) * 2006-06-12 2013-08-21 Lg Electronics Inc DRYER AND CONTROL PROCESS THEREFOR
US11261560B2 (en) * 2018-12-28 2022-03-01 Utilization Technology Development, Nfp Method and system of thermo-vacuum drying and processing
US11885563B2 (en) 2018-12-28 2024-01-30 Utilization Technology Development, Nfp Method and system of thermo-vacuum drying and processing

Also Published As

Publication number Publication date
FR2041389A5 (enrdf_load_html_response) 1971-01-29
DE1952438A1 (de) 1970-11-12
BE739642A (enrdf_load_html_response) 1970-03-02
GB1249788A (en) 1971-10-13
NL6917835A (enrdf_load_html_response) 1970-11-03
CH502471A (fr) 1971-01-31

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