EP0622162A1 - Zuführvorrichtung für Nägel - Google Patents

Zuführvorrichtung für Nägel Download PDF

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Publication number
EP0622162A1
EP0622162A1 EP94302744A EP94302744A EP0622162A1 EP 0622162 A1 EP0622162 A1 EP 0622162A1 EP 94302744 A EP94302744 A EP 94302744A EP 94302744 A EP94302744 A EP 94302744A EP 0622162 A1 EP0622162 A1 EP 0622162A1
Authority
EP
European Patent Office
Prior art keywords
fastener
fasteners
shoe
sections
bar arrangement
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.)
Ceased
Application number
EP94302744A
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English (en)
French (fr)
Inventor
David John Lyshon Evans
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.)
Noxet UK Ltd
Original Assignee
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 British United Shoe Machinery Ltd filed Critical British United Shoe Machinery Ltd
Publication of EP0622162A1 publication Critical patent/EP0622162A1/de
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
    • B27F7/00—Nailing or stapling; Nailed or stapled work
    • B27F7/02—Nailing machines
    • B27F7/13—Nail feeding devices
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43D—MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING OR REPAIRING FOOTWEAR
    • A43D71/00—Elements of nailing machines; Nail-feeding devices

Definitions

  • This invention is concerned with a feed device for headed fasteners, e.g. tacks, nails and the like, especially, but not exclusively, for use in a heel seat lasting machine, and also with heel seat lasting machines incorporating a feed device for headed fasteners.
  • headed fasteners e.g. tacks, nails and the like
  • One feed device for headed fasteners is currently supplied on commercially available heel seat and side and heel seat lasting machines supplied by the Applicants and comprises a feed device for headed fasteners, e.g. tacks, nails and the like, comprising a plurality of raceways along each of which headed fasteners can pass, supported by the heads thereof, from a supply to an outlet end, a separator device comprising a bar arrangement movable between first and second positions transversely of the outlet ends of the raceways and provided with a plurality of recesses, each associated with one of the raceways, for receiving a headed fastener, the arrangement being such that by moving the bar arrangement between its first and second positions each recess is moved past the outlet end of its associated raceway and the leading headed fastener at said outlet end is transferred to the recess, together with drive means for effecting movement of the bar arrangement between said positions, and a collector arrangement disposed beneath the separator device and having a plurality of openings, one associated with each recess, for receiving the transferred fastener
  • a maximum number of headed fasteners which can be supplied in a cycle of operation of the machine is twenty-two, and in cases where less than twenty-two are required (and conventionally in some instances, according to the style and/or size of the shoe to be lasted, eighteen or indeed fourteen fasteners are required), it is necessary for the operator to cause certain of the raceways to be blocked off, thus to prevent the supply of fasteners where they are not required.
  • the bar arrangement comprises a plurality of sections, each having a plurality of recesses
  • the drive means comprises a plurality of motors, one associated with each of the sections, and further in that control means is provided for selectively controlling the operation of said motors, and thus the movement of the sections of the bar arrangement, according to the number of headed fasteners required to be fed.
  • the bar arrangement by effectively "splitting" the bar arrangement into a plurality of sections, it is thus now possible, by selecting only certain of the sections, to vary the number of headed fasteners to be fed.
  • the bar arrangement may be desirable in some instances to use more than two sections, it has been found satisfactory in fact for the bar arrangement to comprise two sections and indeed for the two sections to be movable along a rectilinear path past the outlet ends of the raceways, the arrangement being such that one of said sections has a plurality of recesses determined according to a minimum number of headed fasteners required to be fed, and the other of said sections has a plurality of recesses which, in combination with those of said one of said sections, provide for a maximum number of headed fasteners required to be fed.
  • the collector arrangement comprises a fastener-receiving element having a plurality of sets of openings and movable relative to the bar arrangement between a plurality of positions to bring a selected set of openings into alignment with the recesses of the bar arrangement thus to receive the transferred fasteners therefrom into the selected openings when the bar arrangement is moved as aforesaid.
  • the collector arrangement conveniently also comprises a fastener-receiving element as described above.
  • control means controls the operation of the motors of the drive means, and thus the movement of the sections of the bar arrangement, selectively for each position of the fastener-receiving element, according to the number of headed fasteners required to be fed.
  • the control means causes movement of said one of said sections of the bar arrangement between its first and second positions to be effected for each position of the fastener-receiving element without any such movement of said other of said sections being effected, for a maximum required number both of said sections are so moved for each position of the fastener-receiving element, and for an intermediate required number said one of said sections is moved as aforesaid while said other of said sections is so moved for a selected one of the two positions of the fastener-receiving element only.
  • the fastener-receiving element of the collector arrangement has two positions and the operation of the feed device is such that for a minimum required number of headed fasteners to be fed the control means causes movement of said one of said sections between its first and second positions to be effected for each position of the fastener-receiving element without any such movement of said other of said sections being effected, for a maximum required number both of said sections are so moved for each position of the fastener-receiving element, and for an intermediate required number said one of said sections is moved as aforesaid while said other of said sections is so moved for a selected one of the two positions of the fastener-receiving element only.
  • each raceway or one or more selected raceways may have associated therewith two recesses in the associated section of the bar arrangement, each recess having associated therewith an opening in the fastener-receiving element.
  • one of the recesses picks off the leading tack from the end of its associated raceway and deposits it in its associated opening and then on the return movement from the second to the first position of the bar arrangement the other recess picks of the leading tack from the raceway and deposits it in its own associated opening.
  • the invention also provides, in another of its several aspects, a machine for lasting heel seat portions of shoes comprising a shoe support for supporting a shoe, comprising a shoe upper on a last and an insole on the last bottom, a wiper assembly for wiping lasting marginal portions of the shoe upper in the heel seat region thereof over and pressing them against corresponding marginal portions of the insole of such shoe, fastener-inserting means associated with the wiper assembly for driving headed fasteners through the wiped-over lasting marginal portions and thus securing them to the corresponding marginal portions of the insole while thus pressed thereagainst, and a feed device as set out above for feeding headed fasteners individually to the fastener-inserting means according to the number of fasteners required to be inserted.
  • the invention more particularly provides a machine for lasting heel seat portions of shoes comprising a shoe support for supporting a shoe, comprising a shoe upper on a last and an insole on the last bottom, a wiper assembly for wiping lasting marginal portions of the shoe upper in the heel seat region thereof over and pressing them against corresponding marginal portions of the insole of such shoe, and fastener-inserting means, comprising a plurality of fastener-inserting units, associated with the wiper assembly for driving headed fasteners through the wiped-over lasting marginal portions and thus securing them to the corresponding marginal portions of the insole while thus pressed thereagainst, wherein the fastener-inserting units are individually actuatable under the control of electronic control means by which, inter alia, the units may selectively be actuated and rendered inactive, in accordance with a programmed instruction selected according to the style and/or size of the shoe to be lasted, said machine further comprising a
  • control means comprising computer control means including a memory for storing data sets relating to each style of shoe the heel seat of which is to be lasted using the machine, and to the number of fasteners to be supplied by the feed device for insertion as aforesaid.
  • the feed device shown in Figs. 4 and 5 forms part of a so-called heel seat and side lasting machine in the operation of which heel seat and side portions of a shoe upper, which is carried on a last having an insole on the last bottom and which has already been lasted in the toe region thereof, are lasted. More particularly, the feed device is especially, but not exclusively, for use in a machine as described in EP-A-0 511 811 (which is a machine by which lasted marginal portions of the upper which have been wiped over and pressed against corresponding marginal portions of the insole of a shoe in the heel seat and side regions thereof are secured by adhesive), but modified as described in our co-pending European Patent Application No.
  • EP-A-0 511 811 Reliance is therefore placed upon the disclosure of EP-A-0 511 811 for details of the various parts of the machine of the present invention which are common, and only those parts which are different will now be described in detail. (Where reference is made to a part which is common to both machines but not shown in the drawings of the present case, reference numerals taken from EP-A-0 511 811 are used, but in brackets.)
  • the machine in accordance with the invention thus comprises a shoe support (20) for supporting, bottom uppermost, a shoe comprising an upper on a last and an insole on the last bottom.
  • a shoe support (20) for supporting, bottom uppermost, a shoe comprising an upper on a last and an insole on the last bottom.
  • the machine of the present invention is then effective to last the remaining portions of the shoe, i.e. the heel seat and side portions.
  • Mounted in a frame portion 250 (Fig.
  • a wiper mechanism generally designated 170', which, as already mentioned, is generally similar except as hereinafter described to the wiper mechanism described in EP-A-0 091 299, and comprises a wiper head 172' mounted for movement towards and away from the shoe support 20 under the action of a double piston-and-cylinder arrangement 252 mounted on the frame portion 250.
  • the wiper head supports a pair of wiper plates 174' which, under the action of a cam plate 176', effect a forward and inward wiping movement over the heel seat portion of the shoe bottom.
  • the wiper head 172' is bodily movable into an operative position determined according to the desired position in which fasteners are to be driven into the backseam region of the heel seat of the shoe, as will be discussed later. More particularly, for effecting forward and inward wiping movement of the wiper plates 174' the cam plate 176' is formed with two cam grooves, one arranged at each side of a longitudinal centre line of the wiper head, in each of which run a pair of cam rolls 256, each pair being carried by a wiper carrier 258, and the two wiper carriers each supporting a wiper plate 174'.
  • each wiper carrier 258 is provided with a part-circular groove 260 in which is accommodated a part-circular slide member 262, relative to which the wiper carriers, and thus the wipers 174', can slide about an axis at the centre of curvature of the member 262 and grooves 260.
  • the slide member 262 is fixedly secured, in its central region, to a longitudinal slide member 264 which extends along the longitudinal centre line of the wiper head and carries a so-called stud 266 which is located at the centre of curvature of the slide member 262 and grooves 260, and about which the two wipers 174' thus can be caused to pivot under the action of the cam plate.
  • a piston-and-cylinder arrangement 268 is provided, mounted on an end plate of the wiper head, a piston rod 270 of said device supporting a block 272 to which are pivotally secured two links 274, one at each side of the longitudinal centre line of the wiper head.
  • Each link 274 is pivotally connected in turn to a wiper carrier 258 on an axis coincident with that of the rearward (viewed from the shoe support) cam roll 256.
  • actuation of piston-and-cylinder arrangement 268 causes movement of the block 272 in a direction towards the shoe support and thus, through the links 274, corresponding movement also of the wipers 174'.
  • the cam tracks 254 are so configured that in an initial portion of the movement both forward and inward wiping movement of the wipers 174' is achieved, namely by causing some movement of the wiper carriers relative to the member 262 but also causing said member to move forwardly, taking with it also the two slide members 262,264 and thus also the stud 266.
  • each cam track 254 has part-circular sections centred on the stud 266 and consequently in said second part of the movement the wiper carriers effect only radial movement of the wiper carriers, and thus of the wipers 174', about the stud 266.
  • the stud 266 is always brought under the action of the piston-and-cylinder arrangement 268 to the same position, hereinafter referred to as the "back tack" position, viz. the position at which tacks are driven into the backseam region of the heel seat portion of the shoe, regardless of the extent of the further movement of the wipers, which takes place radially only.
  • the piston rod 284 carries two end stops 286, 288 which allow relative sliding movement to take place between the piston rod 284 and the lug 282 over a distance corresponding to the "forward and radial" movement of the wiper plates in an operating stroke of the arrangement 268. Thereafter, the lug 282 engages end stop 286 and, by moving the piston rod 284 with the piston rod 270, control the speed of approach of the wipers 174' over their "radial only" movement.
  • the end stop 288 has a similar action on the return stroke.
  • a linear potentiometer 290 which constantly monitors the position of the block 272, to which it is operatively connected, and thus monitors the amount of movement of the wiper plates, as will be discussed hereinafter.
  • the wiper assembly also comprises a base plate 292, spaced from the cam plate 176' for containing the various elements of the wiper head therebetween.
  • the machine in accordance with the present invention is adapted for securing over-wiped lasting marginal portions of the heel seat portion of the upper to corresponding marginal portions of the insole by means of fasteners, more specifically in the present case tacks.
  • the machine also comprises a plurality of fastener-inserting units, or tackers 300, each of which comprises two drivers 302.
  • One of the tackers 300 is associated with the stud 266 and is mounted on the slide member 264 for movement with the stud while the remaining tackers 300 are arranged in two sets, one at each side of the longitudinal centre line of the wiper head, and each set of tackers is fixedly mounted on and thus for movement with the corresponding wiper carrier, in such a manner that in each case the driver is aligned with a corresponding aperture provided adjacent the leading edge portion of the stud 266 or of the appropriate wiper plate 174', as the case may be.
  • the tackers 300 are all essentially of similar construction, and one only will now be described in detail with reference to Fig. 3.
  • the tacker shown in Fig. 3 comprises a mounting 304 having at its upper end a bracket 306 carrying a piston-and-cylinder arrangement 308. Secured to a piston rod 310 of said arrangement 308 is a hammer block 312, which is provided essentially for affording to the tacker a sufficient mass to be able to drive a tack under the action of the arrangement 308. Secured to the lower portion of the block 312 are the two drivers 302 arranged side-by-side. Carried at the lower end of the mounting 304, furthermore, is a block 314 having two longitudinal (i.e. heightwise) passages 316 along each of which a driver 302 can pass and into each of which a tack supply tube 318 opens.
  • each block 314, furthermore, one aligned with each of the passages 316, are two tack-retaining devices generally designated 320, each comprising two jaws by which a tack supplied along the appropriate tack supply tube can be held in position until driven by the drivers 302 into the shoe bottom, the jaws of the device 320 opening to allow passage therebetween of both the tacks and the drivers.
  • tack-retaining devices are of conventional construction.
  • the piston-and-cylinder arrangement 308 is pneumatically operated and, in order to supply pressurised air thereto, the machine in accordance with the invention comprises a pneumatic circuit incorporating a reservoir capacity for compressed air of six litres, said capacity being provided in the present case by two containers R1,R2 (Fig. 6).
  • the pressure of compressed air thus contained is achieved from a factory source (which is usually in the order of 80psi (5.516 bar) but intensified by an intensifier I to a pressure of 100psi (6.895 bar).
  • a solenoid valve SV80, SV81, SV81A Associated with the arrangement 308, furthermore, is a solenoid valve SV80, SV81, SV81A ...
  • the machine in accordance with the invention comprises electronic control means operable, in accordance with a programmed instruction, to control all the various functions of the machine according to the style and/or size of the shoe to be operated upon.
  • the machine is provided with facilities (not shown, but conventional in machine control) for inputting the various data relating to shoe style and size.
  • a comparison value is calculated, being representative of the end position of the wiper plates, and this comparison value is then compared by the electronic control means with the output signal from the potentiometer 290, as the wiper plates are advanced under the action of piston-and-cylinder arrangement 268.
  • actuation of said arrangement 268 is discontinued, and thus the wiper plates are positioned in the correct position according to the style and size of the shoe.
  • the "back tack" position of the stud 266 is not varied in this way, and thus the amount of forward movement of the wipers remains the same, but the amount of radial movement, and thus the tack pattern, is varied under the control of the potentiometer 290 in cooperation with the electronic control means.
  • the position of the wiper head is determined by the engagement of a block (178) engaging a rearward surface of the heel band (152), thus setting the relationship between the heel seat portion of a shoe gripped by the heel band and the wiper head.
  • a lead screw 336 Connected to a rearward end of the slide 332 is a lead screw 336 in such a manner that rotation of the lead screw effects sliding movement of the slide 332.
  • an n.c. motor 338 More particularly a stepping motor, is carried on the frame portion 250 of the machine, an output shaft 340 of said motor being connected via a universal link 342 to the lead screw.
  • operation of the stepping motor 338 is effective to cause sliding movement of the block 334 to take place relative to the wiper head, so that the position of the wiper head in relation to the heel band mechanism when the rearward face of the heel band is engaged by the block 330 will be varied accordingly.
  • the electronic control means of the machine in accordance with the present invention utilises data supplied to it concerning the style and/or size of the shoe to be operated on in order to supply control signals to the stepping motor 338 in order to position the V-block 330 appropriately.
  • the electronic control means is also effective to control the operation of the tackers 300, more particularly the solenoid valves SV80, SV81, SV81A ... SV85A, whereby the insertion of tacks takes place in a sequential manner starting with the operation of the tacker 300 associated with the stud 266 and thereafter continuing with each pair of tackers 300, one at each side of the longitudinal centre line of the wiper head, away from the stud toewardly.
  • solenoid valve SV80 is associated with the "back tack" tacker and operates the piston-and-cylinder arrangement 308 of said tacker when switched under the control of the electronic control means.
  • each pair of solenoid valves SV81,81A ... SV85A there are associated with each pair of solenoid valves SV81,81A, SV82,82A ... a pair of tackers 300, one tacker at each side of said longitudinal centre line, so that they are actuated simultaneously and under substantially the same pressure upon actuation of their associated pair of solenoid valves.
  • the machine in accordance with the invention comprises the feed device, generally designated 400, which is illustrative of the invention in its feed device aspects and will now be described with reference to Figs. 4 and 5.
  • the feed device in accordance with the invention comprises two brackets 402 mounted on the machine frame and supporting therebetween a casting 404 by which a plurality of (in this case six) raceways 406 are supported; the raceways are inclined so that tacks entering from a supply (e.g. a hopper (not shown)) at the upper end can pass along the raceway to a lower, outlet, end thereof.
  • a supply e.g. a hopper (not shown)
  • a separator device mounted for sliding movement transversely of the outlet ends of the raceways 406 is a separator device generally designated 408, comprising first and second slide bars 410 and 412 (see Fig. 5).
  • the slide bars have first and second drive motors 414,416 respectively, each for moving its associated slide bar transversely of the outlet ends of the raceways 406.
  • the first slide bar 410 has four raceways 406 associated therewith, while the second slide bar 412 has the remaining two raceways 406 associated therewith.
  • a plurality of V-formed recesses 418 for receiving a tack therein.
  • the first slide bar 410 has seven such recesses, one being associated with the most outwardly disposed raceway (uppermost in Fig. 5) associated with the first slide bar, and a pair of such recesses 418 being associated with each of the remaining raceways.
  • the second slide bar 412 has four such recesses 418 arranged in pairs.
  • the slide bars are each movable, independently of the other, under the operation of their respective motors 414,416 between first and second positions; in the first position of each slide bar (shown in Fig.
  • each pair of recesses 418 is aligned with its associated raceway 406 and in the case of the most outwardly disposed raceway its associated recess is aligned therewith, while in the second position the other of each pair of recesses is aligned with its associated raceway and in the case of the most outwardly disposed raceway no recess is in opposed relationship therewith.
  • a plurality of (in this case, eleven) apertures 420 which are disposed beneath the ends of the raceways and through which tacks can pass.
  • One such aperture 420 (also forming part of the separator device 408) is associated with the most outwardly disposed raceway 406, while in the case of each other raceway two such apertures are associated therewith, one at either side; in each case, furthermore, the aperture is spaced from the outlet end of its associated raceway by a distance equal to the distance moved by the slide bars 410,412 from their first to their second positions.
  • the feed device in accordance with the invention further comprises a collector arrangement generally designated 422, which is disposed beneath the separator device 408 and comprises a fastener-receiving element 424 having a plurality of (in this case, two) rows of openings 426, each row having a plurality of (in this case, eleven) openings.
  • the element 424 is movable fore-and-aft, i.e. parallel to the direction the direction of movement of tacks along the raceways 404, thus selectively to bring one of the rows of openings 426 into alignment with the underside of the apertures 420 formed in the casting 404; to this end, the device comprises a motor 428.
  • the motor 428 is operable to move the element 424 to bring the other (or another) row of openings 426 into alignment with the apertures 420 to receive the second quantity of tacks.
  • the openings 426 further, open into the supply tubes 318 (Fig. 3) associated with the various tackers 300.
  • determining the tack pattern for a given shoe it is only necessary using the machine in accordance with the invention to determine the pattern for a model size. Thereafter, for different sizes of shoe in the same style it is possible to effect a grading operation using the electronic control means in a manner which is generally well known in shoe-making practice.
  • the comparison signal produced by the electronic control means for comparison with the signal from the potentiometer 290 will in fact be determined by "grading" rules from the data obtained using the model size for the style of shoe.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP94302744A 1993-04-22 1994-04-18 Zuführvorrichtung für Nägel Ceased EP0622162A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB939308293A GB9308293D0 (en) 1993-04-22 1993-04-22 Feed device for headed fasteners
GB9308293 1993-04-22

Publications (1)

Publication Number Publication Date
EP0622162A1 true EP0622162A1 (de) 1994-11-02

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ID=10734254

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94302744A Ceased EP0622162A1 (de) 1993-04-22 1994-04-18 Zuführvorrichtung für Nägel

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EP (1) EP0622162A1 (de)
BR (1) BR9400992A (de)
GB (1) GB9308293D0 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114246397A (zh) * 2021-12-30 2022-03-29 丽荣鞋业(深圳)有限公司 自动送钉打钉系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB346796A (en) * 1929-11-20 1931-04-20 Friedrich Wurster Improvements in mechanisms for supplying nails to box-nailing machines
FR1189111A (fr) * 1956-10-29 1959-09-29 F E R E Soc Machine à clouer automatique
GB2060464A (en) * 1979-09-20 1981-05-07 Mascetti A Camoga Sas Automatically and semiautomatically unjamming nail selection device designed particularly for machines riveting footwear heel seats onto corresponding heels
EP0318877A2 (de) * 1987-12-03 1989-06-07 Deutsche Vereinigte Schuhmaschinen Gmbh Tackszuführvorrichtung und -verfahren
EP0492037A2 (de) * 1990-12-20 1992-07-01 SCHÖN & CIE. AG Tackszuführeinrichtung an einer Schuhzwickmaschine
EP0511811A1 (de) * 1991-04-30 1992-11-04 British United Shoe Machinery Limited Maschine zum Herstellen von Schuhen

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB346796A (en) * 1929-11-20 1931-04-20 Friedrich Wurster Improvements in mechanisms for supplying nails to box-nailing machines
FR1189111A (fr) * 1956-10-29 1959-09-29 F E R E Soc Machine à clouer automatique
GB2060464A (en) * 1979-09-20 1981-05-07 Mascetti A Camoga Sas Automatically and semiautomatically unjamming nail selection device designed particularly for machines riveting footwear heel seats onto corresponding heels
EP0318877A2 (de) * 1987-12-03 1989-06-07 Deutsche Vereinigte Schuhmaschinen Gmbh Tackszuführvorrichtung und -verfahren
EP0492037A2 (de) * 1990-12-20 1992-07-01 SCHÖN & CIE. AG Tackszuführeinrichtung an einer Schuhzwickmaschine
EP0511811A1 (de) * 1991-04-30 1992-11-04 British United Shoe Machinery Limited Maschine zum Herstellen von Schuhen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114246397A (zh) * 2021-12-30 2022-03-29 丽荣鞋业(深圳)有限公司 自动送钉打钉系统
CN114246397B (zh) * 2021-12-30 2022-10-04 丽荣鞋业(深圳)有限公司 自动送钉打钉系统

Also Published As

Publication number Publication date
BR9400992A (pt) 1994-11-15
GB9308293D0 (en) 1993-06-09

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