EP0247831A2 - Machine à Monter les Flancs et les Emboitages - Google Patents

Machine à Monter les Flancs et les Emboitages Download PDF

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Publication number
EP0247831A2
EP0247831A2 EP87304651A EP87304651A EP0247831A2 EP 0247831 A2 EP0247831 A2 EP 0247831A2 EP 87304651 A EP87304651 A EP 87304651A EP 87304651 A EP87304651 A EP 87304651A EP 0247831 A2 EP0247831 A2 EP 0247831A2
Authority
EP
European Patent Office
Prior art keywords
shoe
abutments
lasting
abutment
fastener
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
EP87304651A
Other languages
German (de)
English (en)
Other versions
EP0247831B1 (fr
EP0247831A3 (en
Inventor
Gerhard Giebel
Hansgerd Dietrich
Rudolf Bender
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.)
DEUTSCHE VEREINIGTE SCHUHMASCHINEN GmbH
Noxet UK Ltd
Original Assignee
DEUTSCHE VEREINIGTE SCHUHMASCHINEN GmbH
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 DEUTSCHE VEREINIGTE SCHUHMASCHINEN GmbH, British United Shoe Machinery Ltd filed Critical DEUTSCHE VEREINIGTE SCHUHMASCHINEN GmbH
Publication of EP0247831A2 publication Critical patent/EP0247831A2/fr
Publication of EP0247831A3 publication Critical patent/EP0247831A3/en
Application granted granted Critical
Publication of EP0247831B1 publication Critical patent/EP0247831B1/fr
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
    • A43D75/00—Nailing devices on pulling-over or lasting machines
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D21/00—Lasting machines
    • A43D21/003—Lasting machines with lasting strings, stretching straps or the like, for forming the shank portions of shoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D23/00—Single parts for pulling-over or lasting machines
    • A43D23/02—Wipers; Sole-pressers; Last-supports; Pincers

Definitions

  • This invention is concerned with a side and heel seat lasting machine comprising a shoe support for supporting, bottom uppermost, a shoe comprising an upper a forepart portion of which has been lasted to an insole, heel seat lasting instrumentalities comprising a wiper assembly by which marginal portions of a shoe upper can be wiped over and secured to corresponding marginal portions of the insole, side lasting instrumentalities by which opposite side portions of the shoe upper can be wiped over and secured to corresponding marginal portions of the insole, said side lasting instrumentalities comprising two side lasting assemblies arranged one at each side of the shoe support and each comprising a wiper arrangement, by which over-wiping of the upper marginal portions can be effected as aforesaid, and a fastener-inserting tool, by which such over-wiped portions can be secured to the insole, together with means, operable at the start of a cycle of operation, for moving the tool and wiper arrangement bodily from an out-of-the-way position to an operative position, in which the tool overlies the shoe bottom,
  • heel breast line region where used herein is to be understood the region of the shoe bottom which is transversed by leading edges of the heel seat wiper assembly, when the latter closes over the shoe bottom in a heel seat lasting operation.
  • Machines of the type referred to above are conventionally used after the shoe upper has been subjected to a pulling over and forepart lasting operation.
  • the upper is correctly positioned on the shoe last and conformed thereto.
  • it has been found insufficient merely to rely upon the wipers of respectively the heel seat lasting and side lasting instrumentalities to ensure that the upper is correctly conformed to the last, especially in the heel breast line region of the shoe.
  • breast line pincers which grip the upstanding lasting margin in the heel breast line region and draw the upper upwardly prior to the start of the lasting operations.
  • Breast line pincers also assist in ensuring the correct position of any stiffener which is incorporated in the upper, the ends (or corners) of which are located at the breast line region.
  • the use of the breast line pincers as aforesaid is a distinct operation in the machine cycle and serves thus to extend the overall cycle time in that the initiation of operation of the lasting instrumentalities is necessarily delayed thereby for a significant time.
  • the wiper tensioning means comprises two abutments, one associated with each side lasting assembly, disposed above the shoe support and arranged at said pre-set location, and means for urging each abutment transversely of the shoe bottom outwardly into an advanced, operative, position in which it co-operates with a counter-abutment provided by its associated side lasting assembly thus to trap the marginal portion of the shoe upper with a slipping grip and draw it over the insole edge during the movement of the fastener-inserting tool and wiper arrangement to its operative position, each abutment yielding inwardly during such movement, and means also being provided for moving the abutments to an out-of-the-way position in timed relation with the actuation of the fastener-inserting tools.
  • the upper marginal portion gripping and tensioning operation can take place without any significant time being additionally required, since this operation takes place effectively during the period already set aside for the movement of the tool into its operative position. Furthermore, by the time the tool is in side position, the side lasting operations can be initiated forthwith, that is to say without any need to return any part of the side lasting instrumentalities to a start position.
  • abutments and counter-abutments at one pre-set locality only (as opposed to along the length of the side portions of the shoe) and further by said abutments having an out-of-the-way position, to which they can be moved after they have effected the gripping and tensioning operation, no problem of impeding the passage of the side lasting assemblies by the abutment means can arise.
  • a holddown member is disposed above the shoe support and co-operates therewith to determine the height of the heel seat region of the shoe in relation to the heel seat lasting instrumentalities.
  • the abutments are supported adjacent the holddown in such a manner that they are held out of engagement with the insole. More particularly, preferably the abutments are mounted on a carrier which is mounted on the holddown for sliding movement heightwise of the shoe bottom. In this way the facility is provided of ensuring that the abutments are moved not only inwardly, but also heightwise of the shoe bottom in moving to their out-of-the-way position, so that they can completely clear the path of the side lasting instrumentalities.
  • sequence control means being provided for initiating outward transverse movement of the abutments as aforesaid and also for initiating movement of the side lasting assemblies to their operative position in response to such downward movement of the abutments.
  • the means for urging the abutments outwardly as aforesaid comprises a single fluid pressure operated cylinder the piston of which is operatively connected to the abutments, means also being provided for adjusting the pressure of the fluid supplied to the cylinder thus to vary the gripping force applied by each abutment and counter-abutment to the upper.
  • the connection between the piston and the abutments is by Bowden cable, thereby allowing the operating cylinder to be positioned in a convenient location in the machine frame, leaving only the abutments and their mountings in the operating locality of the machine where space is restricted.
  • a single cylinder enables also a single setting stop to be used, also disposed away from the operating locality of the machine, whereby the limit of outward movement of the abutments can be controlled.
  • the piston rod of the cylinder may conveniently also carry an actuator for the sequence control means, again disposed away from the restricting area of the operating locality of the machine.
  • a sensing finger is mounted on the fastener-inserting tool for engagement with the edge of the shoe, upon which engagement the finger causes a signal to be generated whereby the inward movement of the fastener-inserting tool is caused to be arrested, the tool is caused to be actuated, and the abutment is caused to be moved to its out-of-the-way position.
  • the dimension of the abutment lengthwise of the shoe may be such that it co-operates with both the abutment and the wiper.
  • the counter-abutment is provided by a surface portion of the fastener-inserting tool so that the upper marginal portions are trapped as aforesaid at the heel breast line region. In this way the conventional breast line pincers are replaced.
  • each wiper arrangement comprises a rotary member provided with a helical wiping element which, as said member rotates, effects an inwiping force on the upper marginal portion engaged thereby, together with a finger which projects inwardly over the shoe bottom and engages the upper marginal portion in advance of the rotary member and effects a preliminary over-folding of the marginal portion
  • each abutment has a plurality of pre-set localities disposed lengthwise of the shoe botom, in one of which localities it co-operates with the surface portion of the fastener-inserting tool and in another of which it co-operates with the surface portion (providing a further counter-abutment) of this finger so that the upper marginal portions are trapped as aforesaid in the waist region.
  • the machine for lasting side and heel seat portions of shoes is generally similar, except as hereinafter described, so far as concerns the lasting of heel seat portions, to the machine described in GB-A 2052950, together with the addition of side lasting instrumentalities generally as set out in EP-A 123471, with particular reference to Figs. 5 to 9.
  • the machine comprises a shoe support 10 mounted for movement about a horizontal axis 12 between a shoe loading position and the operating locality of the machine in which the heel end portion of the shoe is embraced by a heel band 14 forming part of heel seat lasting instrumentalities of the machine, said band determining the lengthwise disposition of the shoe in the machine.
  • the shoe support comprises a heel pin 16 and a toe rest 18 whereby the shoe can be supported bottom up.
  • a holddown 20 is provided which is carried on a support 22 (Fig. 4) itself supported on a frame portion 24 of the machine.
  • the heel seat lasting instrumentalities of the machine comprise a wiper assembly 26, comprising a pair of wiper plates by which marginal portions of a shoe upper can be wiped over and secured to corresponding marginal portions of the insole of the shoe, said assembly and its operation being fully described in the aforementioned GB-A 2052950.
  • the heel seat lasting instrumentalities comprise fastener-inserting tools generally designated 28 associated with the wiper assembly in such a manner that, after the over-wiping of lasting marginal portions of the upper, said portions are secured to the insole by fasteners driven thereinto.
  • the machine also comprises side lasting instrumentalities by which opposite side portions of the shoe upper can be wiped over and secured to corresponding marginal portions of the insole, said side lasting instrumentalities comprising two side lasting assemblies generally designated 30, arranged one at each side of the shoe support 10.
  • the two side lasting assemblies are generally the same, save that one is a left-hand and the other a right-hand, and consequently only one of the assemblies 30 will now be described with reference to Figs. 2 and 3; it will be appreciated that these two Figures have been separated in order better to indicate features of the construction of the assembly.
  • Each side lasting assembly 30 comprises a casting 32 which includes a pivotal mounting 34 by which the assembly 30 is supported on a frame portion 36 of the machine for pivotal movement about a vertical axis whereby the operating elements of the assembly can be caused to move progressively in a direction lengthwise of the shoe bottom whereby, starting from the heel breast line region, a succession of side lasting operations can be effected along the sides of the shoe.
  • a piston-and-cylinder arrangement 38 is provided, also mounted on a frame portion of the machine, and having associated therewith a so-called "Hydrocheck" control unit 40 by which the speed at which the operating elements are caused to move progressively along the shoe bottom can be controlled.
  • the casting 32 is provided with a pivot pin 42, extending horizontally and normally to the direction of the axis of the mounting 34 for supporting a main support block 44 of the assembly 30, the arrangement being such that the operating elements of said assembly can thus move heightwise of the bottom of a shoe supported by the shoe support.
  • a piston-and-cylinder arrangement 46 is provided, mounted on the casting 32 and acting upon a rearward end portion of an extension rod 48 projecting from the block 44.
  • the block 44 supports at its opposite end a piston-and-cylinder arrangement 50 having a piston rod 52 projecting forwardly therefrom (to the left viewing Fig. 2), said rod in turn supporting a block 54 at its forward end.
  • a support plate 56 Secured to one side of the block 54 is a support plate 56, while a pivotal mounting 58 is provided therein at the remote side, the axis of said mounting extending in a plane generally parallel to that of the piston rod 52, but being inclined thereto.
  • the pivotal mounting 58 provides support for a carrier 60, which is thus mounted for pivotal movement about said axis, a piston-and-cylinder arrangement 62 being supported by the support plate 56 for effecting such pivotal movement.
  • the carrier 60 (which is shown on both Fig. 2 and Fig. 3) firstly supports a fastener-inserting tool generally designated 64 (being of the same construction as the tack insertion device 5 described in EP-A 123471), said tool comprising a block 66 in which a fastener (tack) can be received for driving into the shoe, and also in which the leading end of a driver rod 68 is accommodated for driving such fastener.
  • the block 66 also provides a surface 70 which engages the over-wiped lasting marginal portion of the shoe upper to be secured by the fastener.
  • the fastener-inserting tool 64 can pivot about the axis of the pivotal mounting 58 the block 66 can be oriented according to the contour of the shoe bottom, especially in the case of ladies high heeled shoes, it being of course desirable that the tacks are driven perpendicularly, or substantially so, into the shoe bottom.
  • a bracket member 72 (Fig. 3) supporting a pivot pin 74 on which a wiper arrangement generally designated 76 is supported, a damping cylinder 78 being mounted on the bracket member 72 and acting on a block 80 forming part of the wiper arrangement.
  • the wiper arrangement is generally the same as that described in EP-A 123471 (the pivot pin 74 corresponding to the pin 15 in the earlier case).
  • the wiper arrangement 76 thus comprises a wiper element 82 which is movable in a direction transversely of the bottom of a shoe supported by the shoe support 10 under the action of a piston-and-cylinder arrangement 84 supported on a block pivotal on the pin 74. Attached to the wiper element 82 is one end of a lasting band 88 which passes over a roll 90 and the opposite end of which is connected to the piston rod 92 of a piston-and-cylinder arrangement 94, which thus acts as an air spring to maintain the tension in the lasting band 88.
  • the roll 90 is carried by a lever 96 pivoted on a pin 98 carried by the block 86, and operatively connected to an intermediate portion of the lever 96 is the piston rod 100 of a piston-and-cylinder arrangement 102 whereby the roll 90 can be caused to move, about the pin 98, towards and away from a shoe being operated upon. In this way, it is ensured that the lasting band "wraps around" the whole of the side portion of the shoe engaged thereby.
  • the side lasting instrumentalities as so far described differ essentially from those described in EP-A 123471 only in that the operating elements 64, 76 are generally movable in a direction transversely of the bottom of a shoe supported by the shoe support 10, such movement enabling the elements to be moved from an initial, out-of-the-way position into an operative position in which the fastener-inserting tool 64 overlies the marginal portions of the shoe bottom.
  • the machine in accordance with the present invention comprises a sensing finger 104 which is pivotally mounted on an extension of the block 66.
  • the finger has a camming surface 106 by which a side portion of the shoe can be engaged, the arrangement being such that because of the inclination of said surface the finger is cammed sideways about its pivot upon such engagement.
  • the opposite end of the finger 104 constitutes an actuator for a microswitch 108 which, when actuated, generates a signal to terminate inward movement of the operating elements 64, 76 under the action of the piston-and-cylinder arrangement 50.
  • the machine in accordance with the present invention also comprises means for tensioning the upper about its last when the side lasting assemblies are first moved to their operative position as aforesaid, that is to say the tensioning takes place in the heel breast line region, such tensioning being effected prior to the side lasting operations being initiated.
  • said means comprises abutment means generally designated 110 which co-operate with the block 66 of the fastener-inserting tool 64 to trap the marginal portion of the shoe upper, in the heel breast line region thereof, with a slipping grip and draw it over the insole edge during the movement of said tool inwardly to its operative position.
  • the abutment means 110 comprises two abutments 112, one associated with each side lasting assembly 30.
  • Each abutment 112 which is constituted by a lower end portion of a lever 114 pivotal about a pivot pin 116 extending generally lengthwise of the bottom of a shoe supported by the shoe support 10, so that the abutments 112 are movable transversely of the shoe bottom.
  • the pivot pins 116 are mounted in a block 118 which will be referred to hereinafter.
  • an upper end of each lever 114 carries a block 120 to which is connected one end of a Bowden cable 122, the sheath 124 of which is secured by a bracket 126 to the block 118.
  • the other end of each Bowden cable 122 is connected to a cross-member 128 (Fig.
  • each abutment 112 is movable transversely of the shoe bottom outwardly into an advanced, operative position for trapping the marginal portion of the shoe upper as aforesaid against the block 66, a leading surface portion 66 a of which thus constitutes a counter-abutment, and is also retractable to an inward position.
  • the abutments 112 are also mounted for heightwise movement relative to the shoe bottom between such inward position and a retracted, out-of-the-way position, in which they will in no way interfere with the operation of the side lasting instrumentalities.
  • the block 118 is mounted for sliding movement on a front face of a block 140 forming part of the support for the holddown 20.
  • a Bowden cable 142 is secured thereto, the sheath 144 of which is secured to the holddown support.
  • the opposite end of the Bowden cable 142 is secured to a piston rod 146 (Fig.
  • a piston-and-cylinder arrangement 148 a piston-and-cylinder arrangement 148, the sheath 144 being connected to a bracket 150 secured to a frame portion of the machine.
  • operation of the piston-and-cylinder arrangement 148 is effective to move the block 118 and thus the abutments 112 heightwise of the shoe bottom. It will of course be appreciated that such heightwise movement does not interfere with the mechanism for effecting transverse movement of each abutment.
  • the piston-and-cylinder arrangement 148 is also mounted on said frame portion, and because of the use of the Bowden cable 142, such mounting is again remote from the operating locality of the machine. Furthermore, by mounting the abutments on the holddown support, it can be ensured that they can be positioned spaced from the insole by a small distance when in their inward and operative positions and when moving therebetween (see Fig. 4).
  • valve 154 is actuated before the stroke of the arrangement 148 is completed and is effective to initiate outward transverse movement of the abutments 112.
  • valve 154 signals the piston-and-cylinder arrangements 50 whereby the side lasting assemblies are moved to their operative position. It will be recalled that this operative position is determined by engagement of the sensing fingers 104 with edges of the shoe bottom.
  • the side lasting assembly 30 As the side lasting assembly 30 is moved to its operative position, firstly the leading surface 66 a of the block 66 of the fastener-inserting tool 64 engages the lasting marginal portion of the shoe upper in the heel breast line region thereof and at the same time the abutment 112 is moved outwardly to engage the opposite side of such lasting marginal portion whereby said portion is trapped between the abutment 112 and the counter-abutment provided by said surface 66 a . As the fastener-inserting tool 64 continues its inward movement, the abutment 112 yields inwardly, the pressure applied to the trapped marginal portion being such that it is drawn tightly over the insole edge, especially in the heel breast line region.
  • a relatively heavy pressure may be applied to heavy shoes, e.g. men's shoes, while a relatively light pressure will usually be applied to shoes of lighter material, e.g. a ladies' fashion shoe.
  • the counter-abutments co-operating with the abutments 112 are constituted by surfaces on the blocks 66 of the fastener-inserting tool 64, if desired the abutments may be elongated so as to extend forwardly of the counter-abutments 66 a provided by said blocks 66 so as to co-operate also with the portions of the lasting bands 88 adjacent the wiper elements 82, thereby affording an extending area over which the gripping of the lasting marginal portion is effected.
  • each side lasting assembly of the latter is replaced by a so-called sleeking roll 176 (Fig. 7) which extends transversely of the shoe bottom.
  • Each roll 176 which may be cylindrical or frusto-conical, has a helical wiping element 176 a on its surface such that, as the roll rotates, the element effects an inwiping action on the marginal portion of the upper engaged thereby.
  • the operation of such rolls is well known and conventional: see e.g. DE-C 1817915 and US-A 3908216.
  • each roll a non-rotary finger 178 which extends inwardly over the shoe bottom and engages the lasting margin of the upper in advance of the roll 176 to afford a preliminary folding of said margin over the insole edge.
  • the position of each finger 178 is adjustable as to its inclination both heightwise and widthwise of the shoe bottom.
  • Each finger 178 has a surface portion 178 a providing a further counter-abutment which can co-operate with the abutment 112 associated therewith.
  • the abutments 112 have a plurality of (in this case two) pre-set locations, in a first of which they co-operate with the counter-abutments provided by the surface portions 66 a of the blocks 66, and in a second of which they co-operate with the further counter-abutments provided by the fingers 178.
  • a block 118 ⁇ (Fig.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP19870304651 1986-05-27 1987-05-26 Machine à Monter les Flancs et les Emboitages Expired - Lifetime EP0247831B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB868612800A GB8612800D0 (en) 1986-05-27 1986-05-27 Side & heel seat lasting machine
GB8612800 1986-05-27

Publications (3)

Publication Number Publication Date
EP0247831A2 true EP0247831A2 (fr) 1987-12-02
EP0247831A3 EP0247831A3 (en) 1989-07-19
EP0247831B1 EP0247831B1 (fr) 1993-11-03

Family

ID=10598464

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870304651 Expired - Lifetime EP0247831B1 (fr) 1986-05-27 1987-05-26 Machine à Monter les Flancs et les Emboitages

Country Status (3)

Country Link
EP (1) EP0247831B1 (fr)
DE (1) DE3787999T2 (fr)
GB (1) GB8612800D0 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853997A (en) * 1986-12-10 1989-08-08 Dvsg Patentverwaltungs Gmbh Machine for lasting side portions of shoe uppers
DE3814308A1 (de) * 1988-04-28 1989-11-09 Schoen & Cie Gmbh Seitenzwickmaschine
WO1995028106A1 (fr) * 1994-04-19 1995-10-26 British United Shoe Machinery Limited Machine de montage des parties laterales de tiges de chaussures

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357841A (en) * 1942-11-04 1944-09-12 United Shoe Machinery Corp Lasting machine
DE1685483A1 (de) * 1967-10-02 1971-10-14 Takero Ogawa Leistenbespannvorrichtung fuer den Rand eines Schuhs
FR2440702A1 (fr) * 1978-11-09 1980-06-06 Schoen & Cie Gmbh Machine de fabrication de chaussures, en particulier machine de rabattage de la zone du talon et de la cambrure

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2357841A (en) * 1942-11-04 1944-09-12 United Shoe Machinery Corp Lasting machine
DE1685483A1 (de) * 1967-10-02 1971-10-14 Takero Ogawa Leistenbespannvorrichtung fuer den Rand eines Schuhs
FR2440702A1 (fr) * 1978-11-09 1980-06-06 Schoen & Cie Gmbh Machine de fabrication de chaussures, en particulier machine de rabattage de la zone du talon et de la cambrure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853997A (en) * 1986-12-10 1989-08-08 Dvsg Patentverwaltungs Gmbh Machine for lasting side portions of shoe uppers
DE3814308A1 (de) * 1988-04-28 1989-11-09 Schoen & Cie Gmbh Seitenzwickmaschine
WO1995028106A1 (fr) * 1994-04-19 1995-10-26 British United Shoe Machinery Limited Machine de montage des parties laterales de tiges de chaussures

Also Published As

Publication number Publication date
DE3787999D1 (de) 1993-12-09
EP0247831B1 (fr) 1993-11-03
GB8612800D0 (en) 1986-07-02
EP0247831A3 (en) 1989-07-19
DE3787999T2 (de) 1994-02-24

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