EP0533404A1 - Heiss-Stabilisierungsgerät - Google Patents

Heiss-Stabilisierungsgerät Download PDF

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Publication number
EP0533404A1
EP0533404A1 EP92308256A EP92308256A EP0533404A1 EP 0533404 A1 EP0533404 A1 EP 0533404A1 EP 92308256 A EP92308256 A EP 92308256A EP 92308256 A EP92308256 A EP 92308256A EP 0533404 A1 EP0533404 A1 EP 0533404A1
Authority
EP
European Patent Office
Prior art keywords
chamber
opening
shoes
path
conveyor 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.)
Granted
Application number
EP92308256A
Other languages
English (en)
French (fr)
Other versions
EP0533404B1 (de
Inventor
Mohammed Jamal El-Toudmeri
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.)
USM Espana SA
Noxet UK Ltd
Original Assignee
USM Espana SA
British United Shoe Machinery 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 USM Espana SA, British United Shoe Machinery Ltd filed Critical USM Espana SA
Publication of EP0533404A1 publication Critical patent/EP0533404A1/de
Application granted granted Critical
Publication of EP0533404B1 publication Critical patent/EP0533404B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D95/00—Shoe-finishing machines
    • A43D95/12—Devices for conditioning, tempering, or moistening
    • A43D95/125—Devices for conditioning, tempering, or moistening with means, e.g. transport chains, for continuously transferring shoes through the devices
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D95/00—Shoe-finishing machines
    • A43D95/10—Drying or heating devices for shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D11/00—Machines for preliminary treatment or assembling of upper-parts, counters, or insoles on their lasts preparatory to the pulling-over or lasting operations; Applying or removing protective coverings
    • A43D11/14—Devices for treating shoe parts, e.g. stiffeners, with steam or liquid
    • A43D11/145—Devices for treating shoe parts, e.g. stiffeners, with steam or liquid with means, e.g. transport chains, for continuously transferring the shoe parts through the machines

Definitions

  • This invention is concerned with improvements in or relating to heat setting apparatus, i.e. apparatus for use in heat setting lasted shoe uppers.
  • the term "shoe” where used herein is to be understood as referring to outer footwear generally whether complete or in the course of manufacture and in particular as including high-legged boots.
  • a heat setting apparatus comprising a chamber through which shoes the uppers of which are to be treated can pass, conveyor means on which shoes can be placed and by which such shoes can be carried through the chamber, and air inlet means within the chamber for directing jets of heated air on to shoes as they pass through the chamber, wherein the ceiling of the chamber has an opening extending along the length thereof in the direction of movement of the conveyor means, through which opening the leg of a boot can project as it passes through the chamber, and wherein the opening is closed by at least one flexibly deformable closure member which is mounted at one side of the opening and allows the passage of a boot leg along the opening but otherwise serves to seal the opening.
  • the chamber of said apparatus has defined therein a plurality of paths along any one of which shoes can pass, each path having associated therewith conveyor means and inlet means as aforesaid, and the ceiling of the chamber having a plurality of openings, one associated with each such path.
  • the or each opening in the ceiling of the chamber is closed by two cooperating flexible deformable members, one mounted on each side of the opening.
  • each flexibly deformable member is constituted by an inflatable air bag, the air bags thus cooperating with each other to seal the opening but being able to be parted locally as the leg of a high-legged boot passes therebetween.
  • the apparatus as above described has enjoyed commercial success and operates satisfactorily on shoe uppers not only in terms of effective heat setting, but also in terms of protecting the operator and indeed the area immediately surrounding the apparatus by restricting significantly the escape of hot air from the apparatus during its operation. Such restriction of escape of hot air also of course serves to reduce the energy requirements of the apparatus.
  • the material from which the bags are made is nylon fabric and it has now been found that, when operating on certain types of shoes, there may be some tendency for the colour finish on the leg of a high-legged boot to be removed as the boot leg passes between the air bags.
  • the amount of removal is of course relatively insignificant but it has been found that where uppers of contrasting colours follow each other down the path between the air bags, with uppers of a particular type the small amount of finish which may be removed from one upper is then transferred to the next following upper with consequent detriment to the appearance of the finished shoe (boot).
  • the invention thus provides, in one of its several aspects, heat setting apparatus comprising a chamber through which shoes the uppers of which are to be treated can pass, conveyor means on which shoes can be placed and by which such shoes can be carried through the chamber, and air inlet means within the chamber for directing jets of heated air on to shoes as they pass through the chamber, wherein the ceiling of the chamber has at least one opening extending along the length thereof in the direction of movement of the conveyor means, through which at least one opening the leg of a boot can project as it passes through the chamber, and wherein the or each opening is closed by at least one flexibly deformable closure member which is mounted at one side of the or each opening and allows the passage of a boot leg along the or each opening but otherwise serves to seal the or each opening, characterised in that the or each flexibly deformable closure member is constituted by an elongated brush member.
  • the conveyor means has a shoe loading station "upstream" of the chamber and the chamber has in a front wall thereof at least one opening through which shoes placed on the conveyor means at said station pass into the chamber, the or each opening in the front wall also being closed by at least one further flexibly deformable member, such further member also preferably being constituted by an elongated brush member.
  • the chamber of the apparatus in accordance with the invention may provide a single passageway or path along which shoes the uppers of which are to be treated can pass.
  • the passageway or path is relatively narrow and the air inlet means can be arranged in opposite sidewall portions thereof.
  • Such a single-track heat setting apparatus may find use not only for heat setting uppers but also for transferring shoes from one operation to another, e.g. from a final lasting operation to a bottom preparation operation, e.g. a roughing operation.
  • the chamber may be divided by internal walls into a plurality of narrow channels, each channel having its own conveyor means and its own air inlet means, or again, as is the case with other commercially available machines, a single chamber may have a plurality of paths defined therein, e.g. utilising guides or the like, and each path may either have its own conveyor means associated therewith or a common conveyor means may be provided for two or more or indeed all the individual paths.
  • air inlet means will be associated specifically with each such path.
  • the invention thus provides, in another of its several aspects, a heat setting apparatus wherein a chamber has defined therein a plurality of paths along any one of which shoes the uppers of which are to be treated can pass, each path having associated therewith conveyor means having a plurality of defined shoe loading stations, one associated with each path, at which stations shoes can be selectively placed on the conveyor means to be carried along the selected path through the chamber, and air inlet means extending along each path within the chamber for directing jets of heated air on to shoes as they pass along said path through the chamber, wherein the ceiling of the chamber has a plurality of openings, one associated with each path and each extending along the length thereof in the direction of movement of the conveyor means, through which opening the leg of a boot can project as it passes along said path through the chamber, and wherein each opening is closed by at least one flexibly deformable closure member which is mounted at one side of the opening and allows the passage of a boot leg along the opening but otherwise serves to seal the opening, characterised in that said at least one flexibly deform
  • the shoe loading stations are arranged “upstream" of the chamber and the chamber has in a front wall portion thereof a plurality of openings, one associated with each shoe loading station and with each path through the conveyor, through a selected one of which openings shoes placed at its associated loading station pass into the chamber, each such opening in the front wall also being closed by at least one further flexibly deformable member, such further member also being constituted by an elongated brush member.
  • the or each opening in the front wall of the chamber is closed by two cooperating flexibly deformable members, one mounted on each side of the opening, and furthermore the or each opening in the ceiling of the chamber is also closed by two cooperating flexibly deformable members, again one mounted on each side of the opening, each such member being constituted in this case, however, by an elongated brush member.
  • the first, multichannel, heat setting apparatus in accordance with the invention is generally similar, except as hereinafter described, to the apparatus described in GB-A 2 088 195.
  • this apparatus comprises a main frame 10 enclosed by sheet metal panels and having a forward extension 12 which supports a front roller 14 around which four conveyor belts 16 are guided.
  • the conveyor belts 16 are made of a mesh material so that they are permeable to air.
  • the main frame 10 supports a chamber generally designated 18 which, in the particular case of the apparatus shown in Figure 1, is sub-divided into four channels generally designated 20.
  • each channel 20 is defined by two sidewalls 22 having vertical portions at the bottom and top and an intermediate angled portion, so that each channel is narrower at the top than at the bottom.
  • the overall cross-sectional shape of the channel thus matches to some extent that of a shoe S.
  • In the intermediate portions of the sidewalls 22 are formed rows of air inlets 24 through which air is directed onto the side portions of the shoe where maximum stress has been created in the shoe.
  • the air inlets are relatively close to the shoe, it will be appreciated that the requirement for the positioning of the air inlets is merely that they direct air towards the shoe with sufficient velocity that any surface layer of air (which in fact acts as a barrier to the heat setting air) is broken up and dissipated, thus allowing a satisfactory heat setting operation to be performed.
  • the jets of air it is possible for the jets of air to be located in the "ceiling" of the channels or indeed in any other appropriate locality.
  • passageways (not shown but indicated by reference numeral 58 in GB-A 2 088 195) connect the inlets with a plenum chamber supplied by a pump (again not shown, but referred to in said specification by reference numerals 56 and 54 respectively).
  • the exit velocity of the air from the air inlets 24, furthermore, is in the order of 10 to 20 m/s, and the air is heated preferably to a temperature in the order of 125°C.
  • steam is added to the air supplied through the air inlets 24 and preferably the quantity of steam is such that the air thus supplied has a dew point in the order of 60°C.
  • each channel is closed at the top thereof by two cooperating flexibly deformable members in the form of elongated brush members 30.
  • an elongated bracket 32 is provided having a re-entrant groove portion extending along its length for receiving a mounting of the brush member in which the bristles of the brush member are embedded.
  • the elongated bracket also has a securing portion 34 by which the brush member can thus be secured to the top surface of the sidewalls defining the channel.
  • the elongated brush members and the mounting brackets therefor are obtainable from DENDIX LTD, of Lower Church Street, Chepstow, Gwent NP6 5XT, under the trade name MultiStrip.
  • each channel may also be sealed by two elongated brush members 36, being of the same construction and being secured by the same brackets as in the case of the closure of the tops of the channels.
  • brackets 38 are secured to the front ends of the sidewalls 22.
  • the opposite ends of the channels are similarly closed by elongated brush members.
  • the conveyor belts 16 are driven by a motor (not shown) such that each shoe is moved through its selected channel in a time of between 11 ⁇ 2 and 21 ⁇ 2 minutes.
  • a single-channel apparatus is shown which is of the same general construction as the apparatus of Figure 1, but in this case the chamber is constituted by a single channel.
  • a single chamber may be provided but with a plurality of openings in the front and rear walls thereof, so that distinct shoe loading stations for the shoes, as well as distinct paths through the chamber, are defined.
  • distinct shoe loading stations for the shoes, as well as distinct paths through the chamber are defined.
  • such paths may be each provided with guides within the chamber so that the shoes do not "stray" during their passage therethrough.
  • Each path is of course then provided with its own top opening which is sealed by elongated brush members as described above.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Brushes (AREA)
  • Labeling Devices (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP92308256A 1991-09-19 1992-09-10 Heiss-Stabilisierungsgerät Expired - Lifetime EP0533404B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919120008A GB9120008D0 (en) 1991-09-19 1991-09-19 Heat setting apparatus
GB9120008 1991-09-19

Publications (2)

Publication Number Publication Date
EP0533404A1 true EP0533404A1 (de) 1993-03-24
EP0533404B1 EP0533404B1 (de) 1995-11-22

Family

ID=10701655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92308256A Expired - Lifetime EP0533404B1 (de) 1991-09-19 1992-09-10 Heiss-Stabilisierungsgerät

Country Status (6)

Country Link
EP (1) EP0533404B1 (de)
JP (1) JPH05199910A (de)
KR (1) KR930005571A (de)
DE (1) DE69206223T2 (de)
ES (1) ES2080450T3 (de)
GB (1) GB9120008D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299013A (en) * 1995-03-23 1996-09-25 British United Shoe Machinery Apparatus for treating shoes

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1647277A (en) * 1920-12-27 1927-11-01 United Shoe Machinery Corp Method of and apparatus for treating shoes
DE2022386A1 (de) * 1969-08-22 1971-02-25 Alfred Freeman Verfahren und Vorrichtung zum Behandeln von Schuhwerk
GB2122475A (en) * 1980-02-19 1984-01-18 British United Shoe Machinery Method of heat setting a lasted shoe upper

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1647277A (en) * 1920-12-27 1927-11-01 United Shoe Machinery Corp Method of and apparatus for treating shoes
DE2022386A1 (de) * 1969-08-22 1971-02-25 Alfred Freeman Verfahren und Vorrichtung zum Behandeln von Schuhwerk
GB2122475A (en) * 1980-02-19 1984-01-18 British United Shoe Machinery Method of heat setting a lasted shoe upper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2299013A (en) * 1995-03-23 1996-09-25 British United Shoe Machinery Apparatus for treating shoes

Also Published As

Publication number Publication date
GB9120008D0 (en) 1991-11-06
JPH05199910A (ja) 1993-08-10
ES2080450T3 (es) 1996-02-01
DE69206223D1 (de) 1996-01-04
KR930005571A (ko) 1993-04-20
EP0533404B1 (de) 1995-11-22
DE69206223T2 (de) 1996-06-27

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