EP3109360A2 - Feutre pour système de repassage industriel - Google Patents

Feutre pour système de repassage industriel Download PDF

Info

Publication number: EP3109360A2
Authority: EP; European Patent Office
Prior art keywords: felt; yarns; roll; chest; density
Prior art date: 2015-06-22
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.): Granted

Application number

EP15175974.3A

Other languages

German (de)

English (en)

Other versions

EP3109360A3 (fr

EP3109360B1 (fr

EP3109360C0 (fr

Inventor

Wolfgang Hauer

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.)

Huyck Licensco Inc

Original Assignee

Huyck Licensco Inc

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.)

2015-06-22

Filing date

2015-07-09

Publication date

2016-12-28

2015-07-09 Application filed by Huyck Licensco Inc filed Critical Huyck Licensco Inc

2016-12-28 Publication of EP3109360A2 publication Critical patent/EP3109360A2/fr

2017-01-18 Publication of EP3109360A3 publication Critical patent/EP3109360A3/fr

2024-04-17 Application granted granted Critical

2024-04-17 Publication of EP3109360B1 publication Critical patent/EP3109360B1/fr

2024-04-17 Publication of EP3109360C0 publication Critical patent/EP3109360C0/fr

Status Active legal-status Critical Current

2035-07-09 Anticipated expiration legal-status Critical

Links

Images

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
- D06F83/00—Coverings or pads for ironing or pressing members
- 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

a typical industrial system for ironing cloth (for example, bed sheets for hotels, cloth for tailored clothing, tablecloths, or the like) includes an enclosure that includes a base (also referred to as a "chest") that provides support from underneath.
a base also referred to as a "chest”
Two cylindrical rolls are positioned within semicircular recesses in the chest. The rolls are perforated and are hollow. Each of the rolls is covered with a felt that is wrapped around the circumference of the roll.
a steam generation system is operatively associated with the chest, and a suction unit is fluidly connected to the cavities of the rolls.
the cloth to be ironed is fed between the chest and the rolls, with the rolls 16 rotating about their longitudinal axes to convey the cloth.
the nip between each felt and the underlying recess of the chest is sufficiently narrow that the cloth is pressed between these structures.
Steam is generated in the steam generation system and released through the chest into the cloth.
the suction unit draws the steam through the cloth and the felt and into the cavities of the rolls through the perforations in the rolls.
the heat, steam and pressure help to remove wrinkles in the cloth.
the steam exits the rolls 16 and is conveyed to a heat exchanger (not shown) for cooling and/or re-use.
embodiments of the invention are directed to a felt for an industrial ironing system.
the felt comprises: first and second batt layers; and a plurality of yarns extending parallel to each other in a first direction.
the yarns are devoid of additional yarns interweaving in a perpendicular second direction.
the yarns are aramid yarns included in density of between about 6 and 12 yarns per cm, and having a size of between about 30 and 300 tex.
embodiments of the invention are directed to an industrial ironing system, comprising: a base having a chest with at least one recess; a roll mounted at least partially within the recess, the roll defining a longitudinal axis, the longitudinal axis being parallel to a cross-machine direction; and a felt circumferentially surrounding the roll.
the felt comprises: first and second batt layers; and a plurality of yarns extending substantially parallel to each other in a machine direction that is perpendicular to the cross-machine direction, the yarns being devoid of additional yarns interweaving in the cross-machine direction.
MD machine direction
CMD cross machine direction
spatially relative terms such as “under”, “below”, “lower”, “over”, “upper” and the like, may be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as “under” or “beneath” other elements or features would then be oriented “over” the other elements or features. Thus, the exemplary term “under” can encompass both an orientation of over and under. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
FIG. 1 a system for ironing cloth, designated broadly at 10, is shown in FIG. 1 .
the system 10 includes an enclosure 12 that includes a base 14 (also referred to as a "chest") that provides support from underneath.
Two cylindrical rolls 16 are positioned within semicircular recesses 18 in the chest 14.
the rolls 16 are perforated and are hollow.
Each of the rolls 16 is covered with a felt 22 that is wrapped around the circumference of the roll 16, with an overlapping section 38 present at one end of the felt 22.
a steam generation system 20 is operatively associated with the chest 14.
a suction unit 24 is fluidly connected to the cavities of the rolls 16.
a cloth 30 to be ironed (for example, a bed sheet, cloth for tailored clothing, tablecloths, or the like) is fed between the chest 14 and the rolls 16, with the rolls 16 rotating about their longitudinal axes A to convey the cloth 30.
the nip between each felt 22 and the underlying recess 18 of the chest 14 is sufficiently narrow that the cloth 30 is pressed between these structures.
Steam is generated in the steam generation system 20 and released through the chest 14 into the cloth 30.
the suction unit 24 draws the steam through the cloth 30 and the felt 22 and into the cavities of the rolls 16 through the perforations in the rolls 16.
the heat, steam and pressure help to remove wrinkles in the cloth 30.
the steam exits the rolls 16 and is conveyed to a heat exchanger (not shown) for cooling and/or re-use.
the felt 22 is multi-layered and comprises at its core a base layer comprising a plurality of yarns 32.
the yarns 32 extend parallel to each other in the machine direction as defined above.
the felt 22 has no yarns extending in the cross-machine direction that weave with the yarns 32.
the yarns 32 are shown as being arranged in a single layer, but in other embodiments the yarns 32 may be arranged in multiple layers, typically with a scrim or batt layer present between the layers of yarns.
the yarns 32 may be formed of a variety of forms, including monofilaments, multifilaments, spunbond yarns, staple yarns, and twisted combinations thereof, and with a variety of materials, such as aramid, polyester, polyamide, polyphenylene sulfide (PPS), and the like.
the yarn sizes may also vary; typically the yarns are between about 30 and 300 tex.
Yarn spacing may also vary; in a typical felt, the spacing between the yarns 32 creates a yarn density of between about 6 and 12 yarns per cm.
the yarn material, size and spacing should be selected so that the overall felt 22 has a tensile strength in the machine direction of at least 300N/cm, and/or has an elongation resistance of less than 0.26 percent in operation, and an overall elongation of 25 percent to failure.
the felt 22 also includes batt layers 34, 36 that overlie and underlie the yarns 32.
the batt layers 34, 36 are typically formed of a variety of materials, such as aramid, polyester, polyamide, PPS, and the like, and combinations thereof, although other materials may also be employed. Although the batt layers 34, 36 are shown as single layers, either or both of the batt layers 34, 36 may include multiple layers, which may be formed of the same or different materials. Ordinarily, the batt layers 34, 36 are applied to the yarns 32 by a needling process.
FIG. 3 shows a comparison of the felt 22 with a conventional felt 22'.
the conventional felt 22' includes batt layers 34', 36' and a woven fabric 32 ' serving as a base layer that comprises MD yarns 32M interwoven with CMD yarns 32C.
the MD yarns 32M follow a sinuous or crimped path in interweaving with the CMD yarns 32C.
the crimping of the MD yarns 32M effectively creates some slack in the MD yarns 32M, such that, when the conventional felt 22' is placed under tension in the machine direction (which occurs during operation as the rolls 16 rotate relative to the chest 14 ), the conventional felt 22' tends to elongate in the machine direction.
the yarns 32 of the felt 22 have no crimping because they do not interweave with other yarns. As such, when placed under tension in the machine direction during operation, the yarns 32 have little to no slack, and thus resist lengthening (i.e., have low elongation) considerably more than the MD yarns 32M of the conventional felt 22'. If a felt stretches too much, it may become necessary to cut back the overlapping section 38 with some frequency, during which operations cease. The felt 22 may provide sufficient elongation resistance to prevent elongation during operation that would require cutting of the overlapping section 38. Also, because the felt 22 has no CMD yarns, the overall weight of a felt with similar or improved elongation resistance can be lower. Further, the absence of CMD yarns within a woven fabric (i.e., the use of only MD yarns) can reduce the cost of the felt significantly, as the weaving process can be omitted.
a felt 22 includes yarns 32 formed of aramid included in a density of 200g/m 2 , and batt layers 34, 36 formed of aramid and having a thickness of 4.7 mm, thereby providing a felt having an overall density of 800g/m 2 .

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Woven Fabrics (AREA)
Nonwoven Fabrics (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

EP15175974.3A 2015-06-22 2015-07-09 Feutre pour système de repassage industriel Active EP3109360B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US201562182970P	2015-06-22	2015-06-22

Publications (4)

Publication Number	Publication Date
EP3109360A2 true EP3109360A2 (fr)	2016-12-28
EP3109360A3 EP3109360A3 (fr)	2017-01-18
EP3109360B1 EP3109360B1 (fr)	2024-04-17
EP3109360C0 EP3109360C0 (fr)	2024-04-17

Family

ID=54010809

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP15175974.3A Active EP3109360B1 (fr)	2015-06-22	2015-07-09	Feutre pour système de repassage industriel

Country Status (3)

Country	Link
EP (1)	EP3109360B1 (fr)
DE (1)	DE202015104389U1 (fr)
PT (1)	PT11227Y (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2237115A (en) *	1939-05-16	1941-04-01	William E Hooper & Sons Compan	Drier felt
GB634773A (en) *	1943-11-01	1950-03-29	Porritts & Spencer Ltd	Improvements in woven textile fabrics such as papermakers' felts
US2667685A (en) *	1951-11-02	1954-02-02	Pittsburgh Waterproof Company	Pad for ironer rolls
US3458911A (en) *	1967-03-17	1969-08-05	Orr Felt & Blanket Co The	Method of making papermakers' felt
US3988490A (en) *	1974-03-25	1976-10-26	Uniroyal Inc.	Cover cloth fabric
DE3819378A1 (de) *	1988-06-07	1989-12-14	Schmitz Elasto Press	Mangelwalze mit textilauflage
US5551176A (en) *	1994-11-22	1996-09-03	Southern Mills, Inc.	Roll cover for flat work ironer
DE10204357B4 (de) *	2002-02-01	2006-10-26	Thomas Josef Heimbach Gmbh & Co.	Preßfilz
FI122410B (fi) *	2004-02-03	2012-01-13	Tamfelt Pmc Oy	Puristinhihna

2015
- 2015-07-09 EP EP15175974.3A patent/EP3109360B1/fr active Active
- 2015-08-19 DE DE202015104389.9U patent/DE202015104389U1/de not_active Expired - Lifetime
- 2015-09-04 PT PT11227U patent/PT11227Y/pt active IP Right Grant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number	Publication date
PT11227Y (pt)	2020-02-26
DE202015104389U1 (de)	2015-11-04
PT11227T (pt)	2016-03-04
EP3109360A3 (fr)	2017-01-18
EP3109360B1 (fr)	2024-04-17
EP3109360C0 (fr)	2024-04-17

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