GB1564837A – Apparatus for roughing uppers
– Google Patents
GB1564837A – Apparatus for roughing uppers
– Google Patents
Apparatus for roughing uppers
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Publication number
GB1564837A
GB1564837A
GB5378076A
GB5378076A
GB1564837A
GB 1564837 A
GB1564837 A
GB 1564837A
GB 5378076 A
GB5378076 A
GB 5378076A
GB 5378076 A
GB5378076 A
GB 5378076A
GB 1564837 A
GB1564837 A
GB 1564837A
Authority
GB
United Kingdom
Prior art keywords
last
footwear
shoe
support means
arm
Prior art date
1976-12-23
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.)
Expired
Application number
GB5378076A
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.)
TOTECTORS Ltd
Original Assignee
TOTECTORS 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.)
1976-12-23
Filing date
1976-12-23
Publication date
1980-04-16
1976-12-23
Application filed by TOTECTORS Ltd
filed
Critical
TOTECTORS Ltd
1976-12-23
Priority to GB5378076A
priority
Critical
patent/GB1564837A/en
1980-04-16
Publication of GB1564837A
publication
Critical
patent/GB1564837A/en
Status
Expired
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
A43D37/00—Machines for roughening soles or other shoe parts preparatory to gluing
Description
(54) IMPROVEMENTS IN AND RELATING TO APPARATUS FOR
ROUGHING UPPERS
(71) We, ToTEc-roRs LIMITED, a
British Company of Totector House, Rushton, Northants, NNl0 9SW, do hereby declare the invention for which we pray that a patent be granted to us, and the method by which it is to be performed, to be par- ticularly described in and by the following statement:- The invention relates to apparatus serving to facilitate the roughing of edgeportions of footwear uppers prior to application of a sole and heel assembly.
For some years it has been conventional practice in the footwear industry to vulcanize sole and heel assemblies to the upper of an article of footwear. This construction requires that the material of the sole and heel assembly shall overlap a lower edge or margin portion of the upper of the article of footwear and it is of course essential that the vulcanizing action shall be effective throughout the life of the article of footwear, to prevent the upper becoming detached from the sole and heel assembly.
It has been found as a matter of experience that if an attempt is made to vulcanize or otherwise adhere the material of the sole and heel assembly to the upper by simple application of the sole and heel by simple application of the sole and heel material to the material of the outside of the upper, the adherence is less than adequate and the flexing which the material of an article of footwear is liable to undergo in use causes failure of the join and rapid deterioration of the article as a whole. To overcome this difficulty it has been common practice to roughen an edge or margin portion of the upper around its whole periphery and this has involved a hand operation which requires a high degree of skill. Despite that skill there is a high risk that the roughing operation will not be confined to the desired limits or alternatively that the area of roughing will be inadequate.Further, a careless operation of the roughing tool can result in the material of the upper being damaged so that at the best the article can only be sold as “seconds”.
According to the present invention there is provided apparatus for use in the roughening of footwear uppers comprising a frame carrying support means for supporting a last carrying an upper from below the last in a working position with the footwear inverted, clamping means for clamping the last and upper to the support means from above the last and a guard member to surround the last to allow access of a roughening tool to the lower surface of the upper but to prevent application of the roughening tool to the upper part of the upper. Throughout this specification and in claims, the terms “lower surface” and “upper surface” as applied to a shoe upper refer respectively to those parts of the surface which are lowermost or uppermost in the normal orientation of the footwear as worn.
Preferably one of said means takes up a predetermined location in the clamped condition to define the position of the last and the other of said means is resiliently yieldable to cooperate with the first means in defining the position of the last. The support means may be resiliently yieldable in which case the clamping means takes up the predetermined position.
The support means may be a last pin for supporting the rear part of the last and a pad for supporting the front part of the last.
Preferably the guard member is in two parts which are separable laterally to provide access to the support means for mounting a last thereon.
An embodiment of the invention will now be described by way of example only with reference to the accompanying drawings in which;
FIGURE 1 is a plan view of a part of the apparatus according to the invention; and
FIGURE 2 is a sectional side elevation of the apparatus showing an item of footwear and a last installed in the apparatus.
The apparatus as shown has two operating stations arranged side by side, one for the right shoe and the other for the left shoe of a pair of shoes. Although this embodiment is being described in relation to a pair of shoes, other forms of footwear such as boots could be treated in the same way.
The apparatus includes a frame 10 and for each station two guard plates are provided one of which, 12 is fixed and the other of which, 13, is movable generally in its own plane under the action of a pneumatic actuator 14. Both the fixed and movable plates 12, 13 carry a respective wear plate 16, 17 having an internal periphery complementary to one longitudinallyextending edge or margin portion 11 of a shoe upper to be roughened. Two wear plates 16, 17 form a guard to shield the upper part of the upper. Conveniently, as indicated in Figure 1, a single fixed plate 12 is common to both stations. Each movable plate 13 and its corresponding wear plate 17 is arranged to move in a direction transverse to the longitudinal direction of the shoe between an operative position and a retracted position.With a plate 13 in the retracted position the last and shoe can be mounted on or removed from a mounting means to be described subsequently. For certain types of footwear having a substantially raised instep portion the wear plates 16, 17 would not be flat but would be shaped to conform to the edge portion of the item which has to be roughened.
In order to locate a last and shoe upper at each station a support means is provided below the level of the plate. The support means comprises a resilient upper engaging foam plastics pad 22 on a carrier 23 for the front part of the last and shoe and a last pin 24 arranged to engage in a conventional thimble in the rear part of the last. A carrier 26 for the last pin is mounted by a resilient base 27 which incorporates a central peg 28 to enable the degree of movement of the carrier as a whole to be limited.
The pin 24 carries a collar-30 to limit the degree of insertion of the pin into the thimble. Both carriers 23 and 26 are adjustable for example by being screw jacks, to bring the desired location of a last and shoe upper within the range of resilience provided by pad 22 and resilient base 27.
A clamping means completes the location of the last and shoe upper. The clamping means comprises an arm 31 pivotal about a member 32 upstanding from the frame 10
and pivoted by an actuator 34 through a
plate 36. This arm carries two clamping
pins 40, 42, one of which, 40, cooperates
with the shoe upper opposite the toe-pad 22
and the other of which, 42, lies opposite and
cooperates with the shoe upper opposite the
last pin 24. The pivotal movement of the
arm 31 is limited by a stop formed between
an upright portion 33 of the arm 31 and the
upper part of upstanding member 32. The
clamping pins 40 and 42 are adjustable so
that they define the final location of the last
and upper.
Suitable controls are provided in order to
operate the pneumatic actuators 14 and 31.
A single control member may be used to
effect both movements simultaneously.
The operation of the apparatus involves
the insertion of a last 20 and shoe upper
into each station while the arm 31 and wear
plates are retracted. The wear plates are
then moved to the operative position and
arm 31 is operated to bring the clamping
pins 40 and 42 into contact with the under
surface of the upper (in the normal orienta
tion of footwear). The upper is then ready
for the roughening operation over the mar
gin or edge portion required – for adhesive
action. The roughening operation can be
carried out by a powered wire brush, the
wear plates restricting the effect of the brush
to areas which it is desired to roughen. The
wear plates 16, 17 should not clamp the item
of footwear, and to provide for good flexi- bility in operation a number of different
sizes, for example 2 or 3, may be used
with a given size of wear plates.
As the apparatus ensures that the area of
upper roughened corresponds with that re
quired and the skill required by the operator
is limited to avoidance of removing an ex
cessive depth of the material of the upper.
To accommodate different styles and/or
sizes of footwear the length of the pins 40,
42 can be adjusted and their positions along
the length of the item of footwear may also
be adjustable.
A single installation may include several
stations, each for a different range of sizes
of footwear so that a wide range of sizes
can be handled on the single installation.
WHAT WE CLAIM IS:
1. Apparatus for the use in the roughen
ing of footwear uppers comprising a frame
carrying support means for supporting alast carrying an upper from below the last in a
working position with the footwear inverted, clamping means for clamping the last and
upper to the support means from above the
last and a guard member arranged to sur
round the last to allow access of a roughen
ing tool to the lower surface (as herein de
fined) of the footwear upper but to prevent
application of the roughening tool to the
upper surface of the upper.
**WARNING** end of DESC field may overlap start of CLMS **.
Claims (6)
**WARNING** start of CLMS field may overlap end of DESC **.
FIGURE 1 is a plan view of a part of the apparatus according to the invention; and
FIGURE 2 is a sectional side elevation of the apparatus showing an item of footwear and a last installed in the apparatus.
The apparatus as shown has two operating stations arranged side by side, one for the right shoe and the other for the left shoe of a pair of shoes. Although this embodiment is being described in relation to a pair of shoes, other forms of footwear such as boots could be treated in the same way.
The apparatus includes a frame 10 and for each station two guard plates are provided one of which, 12 is fixed and the other of which, 13, is movable generally in its own plane under the action of a pneumatic actuator 14. Both the fixed and movable plates 12, 13 carry a respective wear plate 16, 17 having an internal periphery complementary to one longitudinallyextending edge or margin portion 11 of a shoe upper to be roughened. Two wear plates 16, 17 form a guard to shield the upper part of the upper. Conveniently, as indicated in Figure 1, a single fixed plate 12 is common to both stations. Each movable plate 13 and its corresponding wear plate 17 is arranged to move in a direction transverse to the longitudinal direction of the shoe between an operative position and a retracted position.With a plate 13 in the retracted position the last and shoe can be mounted on or removed from a mounting means to be described subsequently. For certain types of footwear having a substantially raised instep portion the wear plates 16, 17 would not be flat but would be shaped to conform to the edge portion of the item which has to be roughened.
In order to locate a last and shoe upper at each station a support means is provided below the level of the plate. The support means comprises a resilient upper engaging foam plastics pad 22 on a carrier 23 for the front part of the last and shoe and a last pin 24 arranged to engage in a conventional thimble in the rear part of the last. A carrier 26 for the last pin is mounted by a resilient base 27 which incorporates a central peg 28 to enable the degree of movement of the carrier as a whole to be limited.
The pin 24 carries a collar-30 to limit the degree of insertion of the pin into the thimble. Both carriers 23 and 26 are adjustable for example by being screw jacks, to bring the desired location of a last and shoe upper within the range of resilience provided by pad 22 and resilient base 27.
A clamping means completes the location of the last and shoe upper. The clamping means comprises an arm 31 pivotal about a member 32 upstanding from the frame 10
and pivoted by an actuator 34 through a
plate 36. This arm carries two clamping
pins 40, 42, one of which, 40, cooperates
with the shoe upper opposite the toe-pad 22
and the other of which, 42, lies opposite and
cooperates with the shoe upper opposite the
last pin 24. The pivotal movement of the
arm 31 is limited by a stop formed between
an upright portion 33 of the arm 31 and the
upper part of upstanding member 32. The
clamping pins 40 and 42 are adjustable so
that they define the final location of the last
and upper.
Suitable controls are provided in order to
operate the pneumatic actuators 14 and 31.
A single control member may be used to
effect both movements simultaneously.
The operation of the apparatus involves
the insertion of a last 20 and shoe upper
into each station while the arm 31 and wear
plates are retracted. The wear plates are
then moved to the operative position and
arm 31 is operated to bring the clamping
pins 40 and 42 into contact with the under
surface of the upper (in the normal orienta
tion of footwear). The upper is then ready
for the roughening operation over the mar
gin or edge portion required – for adhesive
action. The roughening operation can be
carried out by a powered wire brush, the
wear plates restricting the effect of the brush
to areas which it is desired to roughen. The
wear plates 16, 17 should not clamp the item
of footwear, and to provide for good flexi- bility in operation a number of different
sizes, for example 2 or 3, may be used
with a given size of wear plates.
As the apparatus ensures that the area of
upper roughened corresponds with that re
quired and the skill required by the operator
is limited to avoidance of removing an ex
cessive depth of the material of the upper.
To accommodate different styles and/or
sizes of footwear the length of the pins 40,
42 can be adjusted and their positions along
the length of the item of footwear may also
be adjustable.
A single installation may include several
stations, each for a different range of sizes
of footwear so that a wide range of sizes
can be handled on the single installation.
WHAT WE CLAIM IS:
1. Apparatus for the use in the roughen
ing of footwear uppers comprising a frame
carrying support means for supporting alast carrying an upper from below the last in a
working position with the footwear inverted, clamping means for clamping the last and
upper to the support means from above the
last and a guard member arranged to sur
round the last to allow access of a roughen
ing tool to the lower surface (as herein de
fined) of the footwear upper but to prevent
application of the roughening tool to the
upper surface of the upper.
2. Apparatus as claimed in Claim 1 in
which one of said means takes up a predetermined location in the clamped condition to define the position of the last and the other of said means is resiliently yieldable to cooperate with the first means in defining the position of the last.
3. Apparatus as claimed in Claim 2 in which the support means is resiliently yieldable and the clamp means takes up a predetermined position.
4. Apparatus as claimed in any preceding claim wherein the support means is a last pin for supporting the rear part of the last and a pad for supporting the front part of the last.
5. Apparatus as claimed in any preceding claim wherein the guard member is formed in two parts which are separable laterally to provide access to the support means for mounting a last
6. Apparatus for use in the roughening of footwear uppers substantially as described with reference to and as illustrated by the accompanying drawings.
GB5378076A
1976-12-23
1976-12-23
Apparatus for roughing uppers
Expired
GB1564837A
(en)
Priority Applications (1)
Application Number
Priority Date
Filing Date
Title
GB5378076A
GB1564837A
(en)
1976-12-23
1976-12-23
Apparatus for roughing uppers
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
GB5378076A
GB1564837A
(en)
1976-12-23
1976-12-23
Apparatus for roughing uppers
Publications (1)
Publication Number
Publication Date
GB1564837A
true
GB1564837A
(en)
1980-04-16
Family
ID=10468957
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB5378076A
Expired
GB1564837A
(en)
1976-12-23
1976-12-23
Apparatus for roughing uppers
Country Status (1)
Country
Link
GB
(1)
GB1564837A
(en)
Cited By (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2192782A
(en)
*
1986-07-23
1988-01-27
Maxi Calzaturificio Srl
An insole
EP0410368A2
(en)
*
1989-07-28
1991-01-30
Calzaturificio F.lli DANIELI S.p.A.
Machine for the roughing of uppers for items of footwear before the operation of injection-molding the sole
1976
1976-12-23
GB
GB5378076A
patent/GB1564837A/en
not_active
Expired
Cited By (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
GB2192782A
(en)
*
1986-07-23
1988-01-27
Maxi Calzaturificio Srl
An insole
EP0410368A2
(en)
*
1989-07-28
1991-01-30
Calzaturificio F.lli DANIELI S.p.A.
Machine for the roughing of uppers for items of footwear before the operation of injection-molding the sole
EP0410368A3
(en)
*
1989-07-28
1992-11-04
Calzaturificio F.Lli Danieli S.P.A.
Machine for the roughing of uppers for items of footwear before the operation of injection-molding the sole
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Legal Events
Date
Code
Title
Description
1980-07-02
PS
Patent sealed
1985-11-20
PCNP
Patent ceased through non-payment of renewal fee
