EP0806155A1 - Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine - Google Patents

Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine Download PDF

Info

Publication number: EP0806155A1
Authority: EP; European Patent Office
Prior art keywords: folding; last; rig according; insole; over
Prior art date: 1996-05-07
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

EP96830263A

Other languages

English (en)

French (fr)

Other versions

EP0806155B1 (de

Inventor

Giuseppe Molina

Carlo Bianchi

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.)

Officine Meccaniche Molina and Bianchi SpA

Original Assignee

Officine Meccaniche Molina and Bianchi SpA

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.)

1996-05-07

Filing date

1996-05-07

Publication date

1997-11-12

1996-05-07 Application filed by Officine Meccaniche Molina and Bianchi SpA filed Critical Officine Meccaniche Molina and Bianchi SpA

1996-05-07 Priority to EP19960830263 priority Critical patent/EP0806155B1/de

1996-05-07 Priority to DE69623442T priority patent/DE69623442T2/de

1996-05-07 Priority to PT96830263T priority patent/PT806155E/pt

1996-05-07 Priority to ES96830263T priority patent/ES2180723T3/es

1997-11-12 Publication of EP0806155A1 publication Critical patent/EP0806155A1/de

2002-09-04 Application granted granted Critical

2002-09-04 Publication of EP0806155B1 publication Critical patent/EP0806155B1/de

2016-05-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 5
238000004873 anchoring Methods 0.000 claims description 5
239000004568 cement Substances 0.000 description 4
230000007246 mechanism Effects 0.000 description 2
230000006978 adaptation Effects 0.000 description 1
238000007792 addition Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
230000003100 immobilizing effect Effects 0.000 description 1

Images

Classifications

- 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

Definitions

the present invention relates to a rig for folding the edge of the upper over a last in a footwear manufacturing machine.
machines which provide for the cementing of the edge of the upper to the insole in the area of the forepart of the shoe.
Such machines comprise a support on which is positioned a shoemaker's last, to which the insole is applied and over which the upper is tautened, a series of clasps which grip and stretch the upper, members which secure the last on the support, devices which deposit cement on the insole in the area of the forepart of the shoe, and two articulated plates which provide in said fore-region for the folding of the upper, released by the clasps, over the insole of the shoe for cementing.
the articulated plates have inner edges which interfere with the upper on the last in order to perform the folding.
To assist the plates there are provided two opposing lateral pads which are brought against the upper laterally in the middle part of the shoe and which hold the upper pressed against the last in order to aid the folding of the upper by the plates in proximity to this middle region.
the reason for this is that the folding of the upper in proximity to this middle region is very critical for the profile which the shoe has in this region and that, especially in certain types of footwear, the rear part is fairly rigid and adversely affects the folding.
the object of the present invention is to overcome the aforesaid drawbacks.
a rig for folding the edge of the upper over a last in a footwear manufacturing machine which provides for supporting the last, to which the insole is applied, and over which the upper is tautened, for gripping and stretching the upper and for keeping the last secured, comprising means for folding the upper over the insole in the area of the forepart of the shoe in order to fix the upper to the insole, characterized in that it furthermore comprises flexible elements arranged on opposite sides of the last in the vicinity of a middle part of the shoe which are movable between a retracted position in which they are withdrawn from the last and an advanced position in which they embrace the flanks of the last, thereby folding the upper under the insole, below the level of the folding means.
the folding rig illustrated operates in a machine for making footwear of the type indicated in the introduction, that is, one comprising a support on which is positioned a shoe last to which the insole is applied and over which the upper is tautened, a series of clasps which grip and stretch the upper, members which secure the last on the support, and devices which deposit cement on the insole in the area of the forepart of the shoe.
the folding rig comprises two plates 10 which articulate around a common centre of rotation and which are actuated by suitable mechanisms, partially visible in the figures, in such a way as to move and rotate, and thus to operate on the forepart of the shoe.
each plate 10 has a wedge 11.
the folding rig moreover comprises two auxiliary devices 20 arranged on opposite sides with respect to the support on which the last A is positioned.
Each device 20 is mounted on a bed 21 of the machine, visible in Fig. 1 only, on which is mounted a pneumatic actuator 22 fitted with an actuating rod 23 operating along a direction X substantially perpendicular to the axis Y of the last A positioned on the support, and in the vicinity of a middle part of the shoe.
the rod 23 is integral with a substantially "C"-shaped support 24 mounted perpendicularly to the rod.
the bottom arm of the support 24 is fixed to the rod 23, while the top arm of the support 24 carries, elastically, a further arm 25 which extends parallel to the rod 23 towards the last A; in particular, the arm 25 is hinged at 36 in a block 37 at the end of the top arm of the support 24, and a spring 38 mounted on a screw 39 screwed into the block 37 keeps the arm 25 elastically in position.
the rod 23 and the arm 25 carry two respective anchoring heads 26 and 27 integrally at their free ends.
the ends of a flexible tape 28 are fixed to the heads 26 and 27 in such a way that the tape is tensioned between the said heads.
the forward or backward movement of the rod 23 clearly involves an identical movement of the tape 28.
a bar 29 parallel to the rod 23 and fitted, in proximity to its other end, with a tooth 30, is fixed to the bottom arm of the "C"-shaped support 24, at one end.
an arresting contrivance 31 comprising a pawl 32 intended to interfere with the tooth 30 of the bar 29, actuated by a pneumatic actuator 33 and restored to the rest position by a spring 34.
An electronic facility 35 shown diagrammatically in Fig. 1 only, is also envisaged and provides for coordinating the movements of the plates 10, of the auxiliary devices 20 controlling the actuating of the actuators 22 and 33, and of the other members, not illustrated, of the machine.
the two tapes 28 are firstly moved forward by the actuators 22, followed by the plates 10, so as to reach, starting from the initial position illustrated in Figs. 1 and 4, an intermediate position illustrated in Figs. 2 and 5.
the tapes 28 reach this intermediate position by virtue of the immobilizing of the teeth 30 against the pawls 32. After these operations cement is placed on the insole B.
the devices 20 are obviously simple and hence highly reliable.
tapes 28 can adapt to lasts of various shape, given their flexibility.
the elastic connection of the arms 25 to the "C"-shaped supports 24 makes it possible to compensate for excessive tensions in the tapes 28 during folding.
the screws 39 enable the elastic loading of the springs 38 on the arms 25 to be adjusted.
the position of the devices 20 on the bed 21 in a direction parallel to the axis Y can be adjusted, by for example connecting the devices to the bed via suitable guides and securing the devices in the preselected position by means of suitable securing members. This adjustment allows adaptation, in addition to that seen earlier, of the devices to lasts of different shapes.
the arresting devices 31 turn out to be particularly advantageous for synchronizing the movements of the devices 20 with the movements of the plates 10.
tapes can be replaced with flexible elements which fulfil equivalent functions, supported and propelled in any manner.
the tapes can be supported by structures of a layout other than those shown.
the structures illustrated turn out however to be particularly simple and effective.
actuators may be used, for example hydraulic, electric or other actuators.
the tapes can also be elastic and in this case the elastic connection of the arms to the "C"-shaped supports can be dispensed with.
the arresting devices can also be omitted in the case in which the electronic facility has suitable sensors to enable it to regulate the movement of the tapes with the movement of the plates.
Such securing devices turn out however to be particularly simple and effective.

Landscapes

Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

EP19960830263 1996-05-07 1996-05-07 Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine Expired - Lifetime EP0806155B1 (de)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
EP19960830263 EP0806155B1 (de)	1996-05-07	1996-05-07	Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine
DE69623442T DE69623442T2 (de)	1996-05-07	1996-05-07	Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine
PT96830263T PT806155E (pt)	1996-05-07	1996-05-07	Aparelho para dobrar o bordo da gaspea sobre uma forma de metal numa maquina de fabrico de calcado
ES96830263T ES2180723T3 (es)	1996-05-07	1996-05-07	Dispositivo para doblar el borde de la parte superior del zapato sobre una horma de una maquina para la fabricacion de calzado.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP19960830263 EP0806155B1 (de)	1996-05-07	1996-05-07	Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine

Publications (2)

Publication Number	Publication Date
EP0806155A1 true EP0806155A1 (de)	1997-11-12
EP0806155B1 EP0806155B1 (de)	2002-09-04

Family

ID=8225903

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19960830263 Expired - Lifetime EP0806155B1 (de)	1996-05-07	1996-05-07	Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine

Country Status (4)

Country	Link
EP (1)	EP0806155B1 (de)
DE (1)	DE69623442T2 (de)
ES (1)	ES2180723T3 (de)
PT (1)	PT806155E (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1517297A (en) *	1921-05-31	1924-12-02	United Shoe Machinery Corp	Lasting machine
GB1154871A (en) *	1965-09-03	1969-06-11	British United Shoe Machinery	Improvements in or relating to Shoe Upper Conforming Machines
US3940816A (en) *	1974-08-08	1976-03-02	Leonhardt Horst M	Side lasting apparatus
DE2459101A1 (de) *	1974-12-13	1976-06-24	Ver Schuhmasch Gmbh	Verfahren zum zwicken von aufgeleistetem schuhwerk im seitlichen bereich des schuhs
EP0123471A2 (de) *	1983-04-25	1984-10-31	British United Shoe Machinery Limited	Zwicken mit Täcken der Seitenbereiche von Schuhen
EP0330982A2 (de) *	1988-03-03	1989-09-06	British United Shoe Machinery Limited	Maschine zum Zwicken der Seitenteile von Schuhen

1996
- 1996-05-07 ES ES96830263T patent/ES2180723T3/es not_active Expired - Lifetime
- 1996-05-07 DE DE69623442T patent/DE69623442T2/de not_active Expired - Fee Related
- 1996-05-07 PT PT96830263T patent/PT806155E/pt unknown
- 1996-05-07 EP EP19960830263 patent/EP0806155B1/de not_active Expired - Lifetime

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1517297A (en) *	1921-05-31	1924-12-02	United Shoe Machinery Corp	Lasting machine
GB1154871A (en) *	1965-09-03	1969-06-11	British United Shoe Machinery	Improvements in or relating to Shoe Upper Conforming Machines
US3940816A (en) *	1974-08-08	1976-03-02	Leonhardt Horst M	Side lasting apparatus
DE2459101A1 (de) *	1974-12-13	1976-06-24	Ver Schuhmasch Gmbh	Verfahren zum zwicken von aufgeleistetem schuhwerk im seitlichen bereich des schuhs
EP0123471A2 (de) *	1983-04-25	1984-10-31	British United Shoe Machinery Limited	Zwicken mit Täcken der Seitenbereiche von Schuhen
EP0330982A2 (de) *	1988-03-03	1989-09-06	British United Shoe Machinery Limited	Maschine zum Zwicken der Seitenteile von Schuhen

Also Published As

Publication number	Publication date
DE69623442D1 (de)	2002-10-10
ES2180723T3 (es)	2003-02-16
EP0806155B1 (de)	2002-09-04
DE69623442T2 (de)	2003-04-30
PT806155E (pt)	2003-01-31

Legal Events

Date	Code	Title	Description
1997-09-26	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1998-01-28	RBV	Designated contracting states (corrected)	Designated state(s): BE CH DE ES FR GB IT LI NL PT
1998-04-08	17P	Request for examination filed	Effective date: 19980212
1999-08-18	17Q	First examination report despatched	Effective date: 19990702
2001-11-14	RTI1	Title (correction)	Free format text: RIG FOR FOLDING THE EDGE OF THE UPPER ONTO A LAST IN A FOOTWEAR MANUFACTURING MACHINE
2001-11-19	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2001-11-28	RTI1	Title (correction)	Free format text: RIG FOR FOLDING THE EDGE OF THE UPPER ONTO A LAST IN A FOOTWEAR MANUFACTURING MACHINE
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Publication	Publication Date	Title
EP0806155A1 (de)	1997-11-12	Vorrichtung zum Falten einer Kante des Oberleders auf einer Leiste von einer Schuhherstellungsmaschine
US4095302A (en)	1978-06-20	Manufacture of shoes
EP1374709A1 (de)	2004-01-02	Verfahren zum Aufbringen von Klebstoff auf eine Innensohle
US2754529A (en)	1956-07-17	Breast line lasting machines
CA1063753A (en)	1979-10-09	Shoe lasting machines
EP0162696B1 (de)	1990-01-31	Maschine zum Zwicken von Schuhen im Seiten- und Fersenbereich
EP0338722A2 (de)	1989-10-25	Schere für Schuhzwickmaschine
US2925613A (en)	1960-02-23	Toe lasting machines
US3775797A (en)	1973-12-04	Method and machine for lasting
EP1036516A1 (de)	2000-09-20	Maschine zur Herstellung von Schuhen
EP0330982A2 (de)	1989-09-06	Maschine zum Zwicken der Seitenteile von Schuhen
US3852841A (en)	1974-12-10	Shoe support for welt lasting machine
US1280613A (en)	1918-10-01	Pulling-over and lasting machine.
EP0247831B1 (de)	1993-11-03	Seiten- und Fersenzwickmaschine
EP0124229B1 (de)	1989-07-26	Zwickmaschine für Schuhoberleder
US2337093A (en)	1943-12-21	Machine for applying pressure to shoe bottoms
US3660857A (en)	1972-05-09	Automatically lasting machines
EP0553734A1 (de)	1993-08-04	Greiferanordnung
EP0118243B1 (de)	1988-06-22	Schuhzwicken unter Anwendung eines Klebemittels
US3596302A (en)	1971-08-03	Machine for shaping and wiping uppers over a last
WO1992008385A1 (en)	1992-05-29	Molded sole shoe assembling device
US4392266A (en)	1983-07-12	Molded shanks
DE69613958T2 (de)	2002-04-04	Schuhherstellungsmaschine, insbesondere zur Verbindung von einem Schaft mit einer Brandsohle
EP0512863B1 (de)	1997-04-16	Träger einer Sohlen- und Absatzeinheit
USRE26860E (en)	1970-04-21	Method and apparatus for clamping an end of a shoe assembly