EP0241176A1 - Flatwork ironer machine - Google Patents

Flatwork ironer machine Download PDF

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Publication number
EP0241176A1
EP0241176A1 EP87302495A EP87302495A EP0241176A1 EP 0241176 A1 EP0241176 A1 EP 0241176A1 EP 87302495 A EP87302495 A EP 87302495A EP 87302495 A EP87302495 A EP 87302495A EP 0241176 A1 EP0241176 A1 EP 0241176A1
Authority
EP
European Patent Office
Prior art keywords
flatwork
belt arrangement
machine
suction
conveyor belt
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.)
Withdrawn
Application number
EP87302495A
Other languages
German (de)
French (fr)
Inventor
Andrew Francis Riddle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CF Doyle Ltd
Original Assignee
CF Doyle Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CF Doyle Ltd filed Critical CF Doyle Ltd
Publication of EP0241176A1 publication Critical patent/EP0241176A1/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • D06F67/04—Arrangements for feeding or spreading the linen

Definitions

  • This invention relates to a flatwork ironing machine, and in particular to a commercial laundry flatwork ironing machine.
  • laundered flatwork such as sheets
  • an ordinary conveyor belt which feeds the flatwork to the ironing rolls.
  • ironed flatwork which is poorly finished (e.g. with wrinkles and creases).
  • a flatwork ironing machine has an ironer section and a flatwork feeding mechanism adjacent to and integral with the ironer section, the feeding mechanism comprising a conveyor belt arrangement with suction means to retain flatwork on the belt arrangement andor to "smooth out" flatwork prior to the flatwork contacting the belt arrangement.
  • Such a machine produces ironed flatwork which is well finished (i.e. without wrinkles and creases).
  • the suction means to retain flatwork on the belt arrangement is preferably positioned inside the conveyor belt arrangement, and includes a suction box member with apertures in the top surface through which air is sucked to retain flatwork on the belt arrangement which passes over said top surface of the box member.
  • the suction means to "smooth out" flatwork prior to the flatwork contacting the belt arrangement suitably includes a suction chamber positioned below the leading edge of the conveyor belt arrangement and a roller positioned adjacent the leading edge of the conveyor belt arrangement. The roller is rotated at a greater speed than the conveyor belt arrangement in order to guide the trailing portion of flatwork to the suction chamber.
  • suction box member and suction chamber are advantageously interconnected whereby only one source of suction is required.
  • suction box member two independent sources of suction are provided for the suction box member and suction chamber.
  • the conveyor belt arrangement comprises a plurality of separate belts supported side by side and having a common drive.
  • the ironer section includes at least one ironing roll, and advantageously a multi ironing roll arrangement.
  • the guide roller and conveyor belt arrangement are suitably independently driven, the conveyor belt arrangement being driven by the drive means of one of the ironing rolls.
  • the preferred ironing machine has the advantage that higher speeds of production can be obtained.
  • a flatwork ironing machine 10 having an ironer section 12 and a flatwork feeding mechanism 14 adjacent to and integrally housed with the ironer section 12, for feeding flatwork pieces to the ironer section.
  • the ironer section 12 has two ironing rolls 16 and 18 preferably driven at the same speed by a driving arrangement as disclosed in GB Patent No. 1590438 (the contents of which are incorporated by reference herewith).
  • the ironer section 12 also has a plurality of tape tensioner mechanisms 20 spaced at frequent intervals across the width of the machine in order to maintain the flatwork pieces being ironed in contact with the ironing rolls 16 and 18.
  • the tape tensioner mechanisms 20 are disclosed in detail in Japanese Patent Application No. 52-152498 (the contents of which are also incorporated by reference herewith).
  • the flatwork feeding mechanism 14 shown generally in Figure 1 and specifically in Figures 2 to 5, includes a conveyor belt arrangement 22 comprised of a plurality of separate belts 24 supported side by side about two common end rollers 26 and 28, and suction means.
  • the suction means consists firstly of a suction box member 30 to retain flatwork on the belt arrangement 22, the box member 30 being positioned inside the belt arrangement 22 and having a number of apertures 32 in the top surface thereof through which air is sucked thereby drawing and retaining the flatwork to the belt arrangement 22.
  • the suction means consists secondly of an upright suction chamber 34 and a guide roller 36 to "smooth out" flatwork prior to such contacting the belt arrangement, the suction chamber 34 being positioned below the leading edge of the belt arrangement 22, and the guide roller 36 being positioned adjacent the leading edge of the belt arrangement 22.
  • the end roller 26 of the belt arrangement 22 is driven by the drive means (not shown) of the first ironing roll 16 via chains and gears (also not shown) in order that flatwork is synchronizedly fed by the belts 24 to the roll 16, while the guide roller 36 is separately driven by a motor 38 at a greater speed than the end roller 26.
  • a belt tensioning mechanism 42 is provided to tension the belts 24 just sufficiently to allow drive to take place, since overtensioned belts 24 will fail prematurely.
  • a transfer chamber 43 is also provided connected both to the suction chamber 34 and the suction box 30 (via duct 44), the transfer chamber 43 having a fan (not shown) to cause suction in both the suction box 30 and suction chamber 34.
  • the transfer chamber 43 is positioned below the belt arrangement 22 in order to utilize space and keep down the size of the machine 10.
  • the operator of the ironing machine 10 lays the leading portion of a flatwork piece onto the belts 24, and allows the remainder or trailing portion of the flatwork piece to become draped over the guide roller 36 and an opening 46 of the suction chamber 34.
  • the leading portion of the flatwork piece is retained on the belts 24 due to the suction of the suction box member 30, while the whole of the remainder or trailing portion of the flatwork piece is drawn in the form of a U-loop into the suction chamber 34, by means of firstly the guide roller 36 rotating at a greater speed than the end roller 26 of the belt arrangement 22, and secondly the strong suction of the suction chamber 34.
  • the suction of the suction chamber 34 causes the now unlooped flatwork piece to flap and pull taut due to air currents, the resultant effect being that the trailing portion of the flatwork piece is smoothed out and straightened prior to contact with the belts 24 and the ironing rolls 16 and 18.
  • the machine 10 is provided with a smooth drag plate 50 just in front of the leading edge of the belt arrangement 22 in order to pull taut the flatwork piece just prior to contact thereof with the belts 24, thereby ensuring even tension across the full width of the flat­work piece.
  • the machine 10 is also provided with a see-­through guard plate 48 on each side for safety purposes.
  • a see-­through guard plate 48 on each side for safety purposes.
  • the left hand side guard plate 48 is shown removed for illustrations reasons.
  • the guide roller 36 is, also for safety purposes, provided with a torque limiting device 40 which stops drive of the roller 36 in case an operator traps their fingers and/or hand on the guide roller.
  • the machine 10 has the advantage that production is substantially increased since an operator only has to place the flatwork piece on the belts 24 to be retained thereby, whereas in the past the operator had to monitor and guide the flatwork piece on the belts right up to the ironing section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Irons (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

A flatwork ironing machine (10) has an ironer section (12) and a flatwork feeding mechanism (14) adjacent to and integral with the ironer section, the feeding mechanism comprising a conveyor belt arrangement (22) with suction means (30, 34, 36) to retain flatwork on the belt arrangement and to "smooth out" flatwork prior to the flatwork contacting the belt arrangement.
The suction means (30) to retain flatwork on the belt arrangement is positioned inside the conveyor belt arrangement and includes a suction box member (30) with apertures (32) in the top surface through which air is sucked to retain flatwork on the belt arrangement which passes over said top surface of the box member.
The suction means to "smooth out" flatwork prior to the flatwork contacting the belt arrangement includes a suction chamber (34) positioned below the leading edge of the conveyor belt arrangement (22) and a guide roller (36) positioned adjacent the leading edge of the conveyor belt arrangement.

Description

  • This invention relates to a flatwork ironing machine, and in particular to a commercial laundry flatwork ironing machine.
  • In known ironer machines, laundered flatwork (such as sheets) is usually laid by two operators onto an ordinary conveyor belt which feeds the flatwork to the ironing rolls. Such often produces ironed flatwork which is poorly finished (e.g. with wrinkles and creases).
  • In accordance with the present invention, a flatwork ironing machine has an ironer section and a flatwork feeding mechanism adjacent to and integral with the ironer section, the feeding mechanism comprising a conveyor belt arrangement with suction means to retain flatwork on the belt arrangement andor to "smooth out" flatwork prior to the flatwork contacting the belt arrangement.
  • Such a machine produces ironed flatwork which is well finished (i.e. without wrinkles and creases).
  • The suction means to retain flatwork on the belt arrangement is preferably positioned inside the conveyor belt arrangement, and includes a suction box member with apertures in the top surface through which air is sucked to retain flatwork on the belt arrangement which passes over said top surface of the box member.
  • The suction means to "smooth out" flatwork prior to the flatwork contacting the belt arrangement suitably includes a suction chamber positioned below the leading edge of the conveyor belt arrangement and a roller positioned adjacent the leading edge of the conveyor belt arrangement. The roller is rotated at a greater speed than the conveyor belt arrangement in order to guide the trailing portion of flatwork to the suction chamber.
  • The suction box member and suction chamber are advantageously interconnected whereby only one source of suction is required.
  • Alternatively, two independent sources of suction are provided for the suction box member and suction chamber.
  • Preferably, the conveyor belt arrangement comprises a plurality of separate belts supported side by side and having a common drive.
  • The ironer section includes at least one ironing roll, and advantageously a multi ironing roll arrangement.
  • The guide roller and conveyor belt arrangement are suitably independently driven, the conveyor belt arrangement being driven by the drive means of one of the ironing rolls.
  • The preferred ironing machine has the advantage that higher speeds of production can be obtained.
  • The invention will now be described by way of example, with reference to the accompanying drawings, in which:
    • Figure 1 is a perspective view of an ironer machine in accordance with the invention,
    • Figure 2 is a front view of the ironer machine of Figure 1,
    • Figure 3 is a side view of the flatwork feeding mechanism of the ironer machine of Figure 1,
    • Figure 4 is a cross-sectional side view of the flatwork feeding mechanism of the ironer machine of Figure 1, as taken along line X-X of Figure 2, and
    • Figure 5 is a plan view of the conveyor belt arrangement of the flatwork feeding mechanism of the ironer machine of Figure 1.
  • In Figure 1, a flatwork ironing machine 10 is shown having an ironer section 12 and a flatwork feeding mechanism 14 adjacent to and integrally housed with the ironer section 12, for feeding flatwork pieces to the ironer section.
  • The ironer section 12 has two ironing rolls 16 and 18 preferably driven at the same speed by a driving arrangement as disclosed in GB Patent No. 1590438 (the contents of which are incorporated by reference herewith). The ironer section 12 also has a plurality of tape tensioner mechanisms 20 spaced at frequent intervals across the width of the machine in order to maintain the flatwork pieces being ironed in contact with the ironing rolls 16 and 18. The tape tensioner mechanisms 20 are disclosed in detail in Japanese Patent Application No. 52-152498 (the contents of which are also incorporated by reference herewith).
  • The flatwork feeding mechanism 14 shown generally in Figure 1 and specifically in Figures 2 to 5, includes a conveyor belt arrangement 22 comprised of a plurality of separate belts 24 supported side by side about two common end rollers 26 and 28, and suction means.
  • The suction means consists firstly of a suction box member 30 to retain flatwork on the belt arrangement 22, the box member 30 being positioned inside the belt arrangement 22 and having a number of apertures 32 in the top surface thereof through which air is sucked thereby drawing and retaining the flatwork to the belt arrangement 22.
  • The suction means consists secondly of an upright suction chamber 34 and a guide roller 36 to "smooth out" flatwork prior to such contacting the belt arrangement, the suction chamber 34 being positioned below the leading edge of the belt arrangement 22, and the guide roller 36 being positioned adjacent the leading edge of the belt arrangement 22.
  • The end roller 26 of the belt arrangement 22 is driven by the drive means (not shown) of the first ironing roll 16 via chains and gears (also not shown) in order that flatwork is synchronizedly fed by the belts 24 to the roll 16, while the guide roller 36 is separately driven by a motor 38 at a greater speed than the end roller 26. A belt tensioning mechanism 42 is provided to tension the belts 24 just sufficiently to allow drive to take place, since overtensioned belts 24 will fail prematurely.
  • A transfer chamber 43 is also provided connected both to the suction chamber 34 and the suction box 30 (via duct 44), the transfer chamber 43 having a fan (not shown) to cause suction in both the suction box 30 and suction chamber 34. The transfer chamber 43 is positioned below the belt arrangement 22 in order to utilize space and keep down the size of the machine 10.
  • In operation, the operator of the ironing machine 10 lays the leading portion of a flatwork piece onto the belts 24, and allows the remainder or trailing portion of the flatwork piece to become draped over the guide roller 36 and an opening 46 of the suction chamber 34. The leading portion of the flatwork piece is retained on the belts 24 due to the suction of the suction box member 30, while the whole of the remainder or trailing portion of the flatwork piece is drawn in the form of a U-loop into the suction chamber 34, by means of firstly the guide roller 36 rotating at a greater speed than the end roller 26 of the belt arrangement 22, and secondly the strong suction of the suction chamber 34. After the trailing edge of the flatwork piece has passed over the guide roller 36, the suction of the suction chamber 34 causes the now unlooped flatwork piece to flap and pull taut due to air currents, the resultant effect being that the trailing portion of the flatwork piece is smoothed out and straightened prior to contact with the belts 24 and the ironing rolls 16 and 18.
  • The machine 10 is provided with a smooth drag plate 50 just in front of the leading edge of the belt arrangement 22 in order to pull taut the flatwork piece just prior to contact thereof with the belts 24, thereby ensuring even tension across the full width of the flat­work piece.
  • The machine 10 is also provided with a see-­through guard plate 48 on each side for safety purposes. In Figure 1 the left hand side guard plate 48 is shown removed for illustrations reasons. The guide roller 36 is, also for safety purposes, provided with a torque limiting device 40 which stops drive of the roller 36 in case an operator traps their fingers and/or hand on the guide roller.
  • The machine 10 has the advantage that production is substantially increased since an operator only has to place the flatwork piece on the belts 24 to be retained thereby, whereas in the past the operator had to monitor and guide the flatwork piece on the belts right up to the ironing section.

Claims (10)

1. A flatwork ironing machine (10) has an ironer section (12) and a flatwork feeding mechanism (14) adjacent to and integral with the ironer section, the feeding mechanism comprising a conveyor belt arrangement (22) with suction means (30, 34, 36) to retain flatwork on the belt arrangement and/or to "smooth out" flatwork prior to the flatwork contacting the belt arrangement.
2. A machine as claimed in claim 1 wherein the suction means (30) to retain flatwork on the belt arrangement is positioned inside the conveyor belt arrangement (22).
3. A machine as claimed in either claim 1 or 2 wherein the suction means includes a suction box member (30) with apertures (32) in the top surface through which air is sucked to retain flatwork on the belt arrangement which passes over said top surface of the box member.
4. A machine as claimed in any preceding claim wherein the suction means to "smooth out" flatwork prior to the flatwork contacting the belt arrangement includes a suction chamber (34) positioned below the leading edge of the conveyor belt arrangement (22) and a guide roller (36) positioned adjacent the leading edge of the conveyor belt arrangement.
5. A machine as claimed in claim 4 as dependent on claim 3 wherein the suction box member (30) and suction chamber (34) are interconnected whereby only one source of suction is required.
6. A machine as claimed in claim 4 as dependent on claim 3 wherein two independent sources of suction are provided for the suction box member (30) and suction chamber (34).
7. A machine as claimed in any one of claims 4 to 6 wherein the guide roller (36) is rotated at a greater speed than the conveyor belt arrangement (22) in order to guide the trailing portion of flatwork to the suction chamber (34).
8. A machine as claimed in any one of claims 4 to 7 wherein the guide roller (36) and conveyor belt arrange­ment (22) are independently driven.
9. A machine as claimed in any preceding claim wherein the conveyor belt arrangement comprises a plurality of separate belts (24) supported side by side and having a common drive.
10. A machine as claimed in any preceding claim wherein the conveyor belt arrangement (22) is driven by the drive means of the ironing section (12).
EP87302495A 1986-04-11 1987-03-23 Flatwork ironer machine Withdrawn EP0241176A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8608896 1986-04-11
GB8608896A GB2189510B (en) 1986-04-11 1986-04-11 Flatwork ironer machine

Publications (1)

Publication Number Publication Date
EP0241176A1 true EP0241176A1 (en) 1987-10-14

Family

ID=10596059

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87302495A Withdrawn EP0241176A1 (en) 1986-04-11 1987-03-23 Flatwork ironer machine

Country Status (2)

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EP (1) EP0241176A1 (en)
GB (1) GB2189510B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0345087A1 (en) * 1988-06-03 1989-12-06 Henry John Weir Improvements in or relating to feed mechanisms for laundry articles
DE4405458A1 (en) * 1993-12-29 1995-07-06 Jensen Ag Burgdorf Garment transfer process in laundry machine avoiding creases
EP0793744B1 (en) * 1994-11-22 2001-03-21 Ulrich Theiss Method of feeding laundered items and a trough mangle intended preferably for carrying out this method and a device
WO2006079667A1 (en) * 2005-01-27 2006-08-03 Serra Teixido, Maria-Dolores Conveyor and suction band for industrial drying, ironing and folding machines and production method thereof
KR101056921B1 (en) * 2008-12-01 2011-08-12 가부시키가이샤 산고우샤 엔지니어링 Laundry press finishing device
WO2020257143A1 (en) 2019-06-18 2020-12-24 Genentech, Inc. Pyrazolopyrimidine aryl ether inhibitors of jak kinases and uses thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1453539A (en) * 1964-09-24 1966-09-23 Kleindienst & Co Laundry feeding device for ironing machines
GB1105342A (en) * 1963-10-17 1968-03-06 Harold Gregory Apparatus for feeding flat work to calenders or ironing machines in launderies
US3735512A (en) * 1971-06-18 1973-05-29 A Ross Sheet feeder and spreader means
FR2170268A1 (en) * 1972-02-04 1973-09-14 Bazelmans Wilhelmus
DE2756123A1 (en) * 1977-12-16 1979-06-21 Kannegiesser H Gmbh Co Device for feeding laundry articles to mangle press - has feeding roller and endless conveyor spaced from one another by alternately effective suction ducts
EP0093365A1 (en) * 1982-04-30 1983-11-09 O.M.P. OFFICINE MECCANICHE PIZZARDI di Pizzardi Pietro & C. S.n.c. Equipment for introducing into ironing machines small and medium sized linen articles coming from the washing

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114374A (en) * 1965-01-11 1968-05-22 Norman Stanley Valentine Improvements in or relating to means for feeding textile sheets to calendar feedbands
US3509650A (en) * 1967-12-08 1970-05-05 James Bruce Orkney Method of and apparatus for feeding flatwork into a flatwork ironer
US3553863A (en) * 1969-06-16 1971-01-12 Sheetmaster Corp Fabric spreader
DE2751722C2 (en) * 1977-11-19 1980-01-03 Herbert Kannegiesser Gmbh + Co, 4973 Vlotho Method and device for feeding items of laundry or similar pieces of textiles to a mangle or the like
DE3265601D1 (en) * 1981-07-02 1985-09-26 Agfa Gevaert Nv Method and apparatus for conveying and spreading material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1105342A (en) * 1963-10-17 1968-03-06 Harold Gregory Apparatus for feeding flat work to calenders or ironing machines in launderies
FR1453539A (en) * 1964-09-24 1966-09-23 Kleindienst & Co Laundry feeding device for ironing machines
US3735512A (en) * 1971-06-18 1973-05-29 A Ross Sheet feeder and spreader means
FR2170268A1 (en) * 1972-02-04 1973-09-14 Bazelmans Wilhelmus
DE2756123A1 (en) * 1977-12-16 1979-06-21 Kannegiesser H Gmbh Co Device for feeding laundry articles to mangle press - has feeding roller and endless conveyor spaced from one another by alternately effective suction ducts
EP0093365A1 (en) * 1982-04-30 1983-11-09 O.M.P. OFFICINE MECCANICHE PIZZARDI di Pizzardi Pietro & C. S.n.c. Equipment for introducing into ironing machines small and medium sized linen articles coming from the washing

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0345087A1 (en) * 1988-06-03 1989-12-06 Henry John Weir Improvements in or relating to feed mechanisms for laundry articles
US4967495A (en) * 1988-06-03 1990-11-06 Weir Henry J Vacuum feed system for feeding laundry articles onto a conveyor
DE4405458A1 (en) * 1993-12-29 1995-07-06 Jensen Ag Burgdorf Garment transfer process in laundry machine avoiding creases
EP0793744B1 (en) * 1994-11-22 2001-03-21 Ulrich Theiss Method of feeding laundered items and a trough mangle intended preferably for carrying out this method and a device
WO2006079667A1 (en) * 2005-01-27 2006-08-03 Serra Teixido, Maria-Dolores Conveyor and suction band for industrial drying, ironing and folding machines and production method thereof
US7866069B2 (en) 2005-01-27 2011-01-11 Maria-Dolores Serra Teixido Conveyor and suction band for industrial drying, ironing and folding machines and production method thereof
KR101056921B1 (en) * 2008-12-01 2011-08-12 가부시키가이샤 산고우샤 엔지니어링 Laundry press finishing device
WO2020257143A1 (en) 2019-06-18 2020-12-24 Genentech, Inc. Pyrazolopyrimidine aryl ether inhibitors of jak kinases and uses thereof

Also Published As

Publication number Publication date
GB2189510B (en) 1989-11-29
GB2189510A (en) 1987-10-28
GB8608896D0 (en) 1986-05-14

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Inventor name: RIDDLE, ANDREW FRANCIS