EP0458881B1 - Adjustable girth shoe construction - Google Patents

Adjustable girth shoe construction Download PDF

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Publication number
EP0458881B1
EP0458881B1 EP90903671A EP90903671A EP0458881B1 EP 0458881 B1 EP0458881 B1 EP 0458881B1 EP 90903671 A EP90903671 A EP 90903671A EP 90903671 A EP90903671 A EP 90903671A EP 0458881 B1 EP0458881 B1 EP 0458881B1
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EP
European Patent Office
Prior art keywords
shoe
foot
girth
inner assembly
deformable
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.)
Expired - Lifetime
Application number
EP90903671A
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German (de)
English (en)
French (fr)
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EP0458881A1 (en
Inventor
Henri E. Rosen
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Individual
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Individual
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Publication date
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Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/26—Footwear characterised by the shape or the use adjustable as to length or size

Definitions

  • girth is defined as the transverse circumference around the foot, typically measured at the ball, waist and instep thereof, and is also used to describe the effective inside circumference of the shoe in the same regions.
  • girth is defined as the transverse circumference around the foot, typically measured at the ball, waist and instep thereof, and is also used to describe the effective inside circumference of the shoe in the same regions.
  • Adjustable girth footwear is not new.
  • Much prior art has employed visible means of girth adjustment including laces, straps, and the like, most of which are rarely adaptable to girth adjustment at the ball of the foot, where such adjustment is most needed.
  • these means are not even present in styles having typically no such girth adjustment means, such as loafers, women's dress shoes of various heel heights, and many other casual and boot styles; in addition, there are well-defined needs for footwear having means of girth adjustment that are automatic, not only to prevent improper manual adjustment, but to provide such adjustment to those who might otherwise have difficulty with other manual means, as for example, young children, the handicapped, and the elderly.
  • Adjustable girth footwear are also disclosed in U.S. Pat. Nos. 3,404,468, 3,541,708, and 3,686,777 granted this inventor. None of these proved marketable for several reasons: the latter patents were too complex to be able to be produced competitively, and were prone to malfunction as a result of dirt entrapment in the mechanism, while he embodiments of '468 suffered from similar problems, as well as durability and appearance compared to conventional shoes, and finally, the last three figures of '468 (11 through 13) failed to give sufficient girth adjustment to be worth consideration. However, despite their many shortcomings, they did serve to suggest the merit of the considerable added R&D that has led finally to the present invention.
  • U.S. Pat. Nos. 3,442,031 and 3,922,800 disclose shoes in which the girth is adjusted by raising at least part of the top surface of the insole, thereby not only changing the shoe's girth but the elevation of a foot in the shoe as well. Since, as a practical matter, such adjustment would usually take place in the forepart of the shoe to preserve a comfortable fit in the counter and backpart, there results an imbalanced adjustment that can change the effective 'tread' of the shoe, i.e. the relationship of the height of the wearer's heel to that of the ball. Moreover since proper adjustment of girth normally reflects the usual girth difference between left and right foot, another result would often be to have a person's feet at essentially different heights above the walking surface, which could over time result in serious orthopedic problems.
  • U.S. Pat. No. 3,693,270 uses deformable sponges that are secured to the inside of a boot primarily to facilitate insertion and removal of the foot without the use of a zipper or other enlarging means.
  • the heat and pressure build-up experienced with such inserts, particularly those worn over the foot in the ball area, has precluded their use in conventional dress and casual footwear.
  • U.S. Pat. No. 4,736,531 describes a shoe with a partial elastic slipper sock surrounding the forepart of the foot and fastened to the bottom assembly, free of attachment to the upper. While this structure may limit tongue misalignment in use, it affords no substantial girth adjustment as the narrower foot in such a shoe would typically experience looseness and resultant buckling when weight bearing during the stride cycle over the sensitive top area of the ball of the foot, where the foot flexes in motion.
  • U.S. Pat. No. 4,038,762 discloses use of viscous flowable materials within closures, primarily for use in alpine ski boots having rigid soles, and as described, is not applicable to conventional footwear which optimally requires girth adjustability at the ball of the foot, where the MP (metatarsal/phalange) joints flex during the gait cycle.
  • This, and similar approaches using air, gels, gas, plastic foam, and other mechanical means, while useful in rigid-soled footwear particularly when used rearward of the ball have generally been precluded from use at or over the ball, primarily for comfort and foot health considerations in this relatively sensitive and critical fitting area.
  • the present invention has as its principal object the construction of a shoe containing a substantially concealed girth adjustment means for use with a wide variety of shoe styles, including those having conventional bottom elements.
  • the shoe of the present invention comprises a deformable upper, the lower margins of which are inelastically fastened to a sole or sole assembly, and a girth adjustment means disposed within the cavity defined by said upper and sole elements.
  • the girth adjustment means is preferably in the form of an inner liner assembly. It is attached to an uppermost interior portion of the upper, and includes elastic means that enable it to adjust its girth to that of a foot therein, while deforming the sides of the upper as may be needed to accommodate this adjustment.
  • such deformation in the upper occurs only when the shoe is weight-bearing, and mostly when it is in motion and thus least noticeable visually.
  • the inner assembly includes relatively non-stretchable lining elements around the sides of the foot, attached to a panel of stretchable material under the foot, with a floating insole between the foot and the panel.
  • the functions of the inner assembly elements are essentially reversed, with the stretchable material being located along the sides of the shoe and the nonstretchable material comprising the bottom panel.
  • a stretchable liner assembly extends fully around the sides and under the bottom of the foot.
  • Such a construction is particularly suitable for footwear of the so-called 'tubular' construction.
  • the girth adjustment means include an inner assembly having relatively non-stretchable upper liner elements attached to similarly non-stretchable bottom panel and insole elements, with both preferable attached to a transversely adjustable frame assembly.
  • the frame assembly preferably, but not necessarily, is interconnected by hinge-like bridging portions, and has attached thereto any of the various adjustment means including springs, other elastic materials, cables, cams and the like. Transverse motion in the frame assembly results in a rolling adjustment to the side margins of the liner elements and consequent effective girth dimensional change of the inner liner assembly.
  • the insole portion of the unweighted inner assembly is at least partially suspended within the shoe, with deformation of the upper occurring only at such times as the shoe becomes weightbearing. At all other times, the upper will retain the original lasted contours of the shoe, irrespective of the girth of the foot therein.
  • the concealed girth adjustment means comprises stretchable lining elements, partially attached directly to the uppers in such a fashion as to allow the uppers to assume, when needed, somewhat different transverse contours as compared to those of the inside stretchable adjustable surface of the lining elements as they adjust to conform and adjust girthwise to the contours and dimensions of a foot therein.
  • stretchable lining elements partially attached directly to the uppers in such a fashion as to allow the uppers to assume, when needed, somewhat different transverse contours as compared to those of the inside stretchable adjustable surface of the lining elements as they adjust to conform and adjust girthwise to the contours and dimensions of a foot therein.
  • Figure 1 is a side-elevational cross-sectional view of a shoe embodying the principles of the present invention.
  • Figure 2 is a transverse cross-sectional view of the shoe of Fig. 1 taken along line 2-2 in the latter, with the shoe off the foot.
  • Figure 3 is a view of the embodiment of Fig. 2, shown as if the shoe is on the foot, and at least partly weight-bearing.
  • Figure 4 is a side-elevational cross-sectional view of another embodiment of a shoe incorporating principles of the present invention.
  • Figure 5 is a cross-sectional view of the shoe of Fig. 4, taken along the line 5-5 in the latter, when off the foot.
  • Figure 6 is a view of the embodiment of Fig. 5, taken with the shoe on the foot and at least partially weight-bearing.
  • Figure 7 is a side-elevational cross-sectional view of an alternative version of a shoe embodying the principles of the current invention.
  • Figure 8 is a side-elevational cross-sectional view of another preferred embodiment of the shoe incorporating principles of the present invention.
  • Figure 9 is a cross-sectional view of the shoe of Fig. 8 taken along line the line 9-9 thereof and showing the shoe as it would appear off the foot.
  • Figure 10 is a cross-sectional view of the shoe of Fig. 8 taken along the line 10-10 thereof, and showing the shoe as it would appear when on a wearer's at least partially weight-bearing foot.
  • Figure 11 is a plan view of the insole assembly of Fig. 9, including a transversely deformable frame, insole and socklining cover for same, as well as typical widthwise adjusting mechanism for deforming said frame.
  • Figure 12 is a side-elevational, cross-sectional view of still another version of a shoe with a deformable frame embodying principles of the present invention.
  • Figure 13 is a cut-away plan view of the insole assembly of the shoe of Fig. 12.
  • Figure 14 is a side-elevational cross-sectional of another preferred embodiment of the shoe incorporating principles of the present invention.
  • Figure 15 is a transverse cross-sectional view of the shoe of Fig. 14, taken along the line 15-15 in the latter, and showing the section as it would appear, on a foot of a lesser girth in the girth range accommodated by this shoe.
  • Fig. 16 is a transverse cross-sectional view of the shoe of Fig. 14, taken along the line 16-16 thereof, and showing the section as it would appear, on a foot of the greatest girth accommodated by this shoe.
  • Shoe 20 comprises a typical flexible upper 22, preferably composed of leather, including vamp 24 and plug 26 joined together by a suitable means such as stitching so as to form a seam 28 extending around the forepart of the shoe.
  • the back portion of the shoe has the usual counter pocket or back tab 30 over vamp 24, a collar or cuff 32 preferably stitched to cover the adjacent top edges of tab 30, upper 22 and liner 46.
  • Shoe 20 also includes a typical conventional sole assembly 34 having a heel 42 instep 43, waist 49, ball 45 and toe 47.
  • Sole assembly 34 in this embodiment is composed of a conventional rubber unitsole 36 preferably cut from a so-called "blocker", and a rubber midsole 38, attached on its bottom surface to the top surface of unitsole 36 by adhesive cement, or other suitable attachment means.
  • Midsole 38 is joined, preferably by stitching about its periphery to the bottom portion of vamp 24.
  • Shoe 20 also contains an adjustable inner assembly 48 comprising a liner 46 and a socklining 50.
  • liner 46 is composed of a non-stretchable material, preferably Cambrelle R , a non-woven nylon fabric supplied by the Faytex Corp. of Braintree, MA, but any other suitable substantially non-stretchable material may also be used.
  • Liner 46 is attached at its uppermost margin to the matching edge margins of vamp 24, and lies otherwise free of vamp 24, except at the heel end where it has been optionally included in the handsewn backpart seam 31 fastening tab 30 and top and bottom sections of vamp 24 together.
  • the elasticized socklining 50 is fastened by stitching within its bottom surface to liner 46 and together liner 46 and socklining 50 form the inner assembly 48 which surrounds the sides and bottom of the foot.
  • Socklining 50 is preferably constructed of a stretch-knit fabric of the type known generally as spandex, although any other suitable elastic sheet material may be employed.
  • an insole 44 lies loosely above the lower marginal edges of liner 46 and socklining 50.
  • Insole 44 preferably extends the length of the shoe interior, and is of a pattern matching the bottom of the maximum width last acceptable by the shoe; i.e., the last on which the shoe was made. In addition, insole 44, is unattached to the inner assembly 48 and is easily removable for cleaning and removal of any foreign matter that may have accumulated inside the shoe.
  • Fig. 2 shows shoe 20 with socklining 50 unstressed and insole 44 in suspension.
  • socklining 50 is at its minimum width, and consequently holds the bottom margins of liner 46 at their closest proximity to each other.
  • the contours of upper 22 tend to remain substantially as they were when on the last on which the shoe was made.
  • socklining 50 stretches to allow liner 46 to exactly fit the foot, particularly in the important fitting region between and including ball, waist and instep.
  • the inner assembly 48 increases to adapt itself to the girth of the foot, it becomes primarily responsible for the fit of the shoe on that foot.
  • Figs. 4-7 show an embodiment similar to that shown in Fig. 1-3, except that here the action has been essentially reversed, in that the stretch material surrounds the sides and optionally also the top of the foot, while the non-stretch elements are underfoot.
  • Fig. 4 shows a simulated moccasin construction with upper 22 lasted over a permanent fixed insole 58, of Texon R , or similar conventional insole material with an inner assembly 56 comprising a spandex or similar stretch liner 51 attached, preferably by stitching, to a non-stretch socklining 44 of Cambrelle R or the like, which supports a non-stretchable insole 44.
  • Fig. 4 shows a simulated moccasin construction with upper 22 lasted over a permanent fixed insole 58, of Texon R , or similar conventional insole material with an inner assembly 56 comprising a spandex or similar stretch liner 51 attached, preferably by stitching, to a non-stretch sock
  • seam 28 is a simulated seam, heat-formed in the one piece vamp 22 that now includes plug portion 26 therein.
  • Such construction of seams or pleats can be carried out with equipment supplied by the Geo. Knight Co. of Brockton, MA, and others.
  • the simulated seam 28 is stitched to liner 51 under essentially zero tension and in a non-extended condition.
  • Fig. 6 shows the seam 28 and liner 51 to which it is sewn now in an expanded condition as would occur in a load-bearing condition with a relatively wide foot in the shoe.
  • the upper 22 is deformed along its sides as shown in Fig.
  • Fig. 5 shows the shoe off the foot, with the inner assembly 56 under zero or minimal tension.
  • the simulated seam may be used together with the aforementioned girth adjustable inner assembly or alone to effect girth adjustment or left out as shown in Fig. 7, in which all girth adjustment results from the elasticity of the vamp lining assembly, together with the accompanying vamp side deformation previously described.
  • Figs. 8-11 describe another embodiment of this invention.
  • the inner assembly comprises liner 46, socklining 50, and the frame assembly 60.
  • Fig. 8 shows a side view of the shoe, with the non-stretch Cambrelle R not only used in liner 46 but in socklining 50 as well, which is in turn supported by a nonstretchable insole 62 and filler block 68, with upper 22 having been lasted over permanent conventional insole 70.
  • the frame assembly 60 comprises an articulated frame 61 which forms the base of the means for girth adjustment.
  • Frame 61 is made of a suitable material such as plastic, preferably extruded polypropylene of about 0.03" (.0762 cm) to about 0.04" (.1016 cm) thickness, notched at 69 to allow the narrow bridging areas resulting from such notching to act as hinges to allow the frame to deform or distort transversely against tension supplied by a preferably stainless steel spring 72 attached thereto by means of fasteners 70 and 71, all of which comprise the frame assembly.
  • the bridging area can be omitted and the frame segmented with spaces therebetween and/or substantially shortened or limited in number.
  • Spring 72 is optionally also attached to socklining supporting insole 62 and filler block 68 at a central position by fastener 74, to help keep frame deformation transversely in balance.
  • Socklining 50 is provided with an extending peripheral margin, which is wrapped over the underlying frame 61, and joined to the underside thereof by a suitable means such as adhesive cement or a radiation bonding means. Then, with the upper 22 on a last, and a temporary jig holding the frame in its outermost position, the liner 46 is preferably cement lasted to the bottom side of the socklining 50 so as to attach it to the frame assembly, and the jig removed. As shown the liner 46 is also attached to the upper 22 by a suitable means such as stitching or a cement adhesive.
  • Fig. 9 shows the shoe construction of Fig. 8 in a non-loadbearing condition
  • Fig. 10 shows the same shoe in a loadbearing condition, as it would appear on a foot of somewhat less than the maximum girth said shoe is designed to accommodate.
  • Figs. 12 and 13 show a further embodiment of the invention, which functions as that in Figs. 8-11, except that the adjustment means shown in Figs. 12-13 includes a cam 78, manually rotationally adjustable from inside of the shoe for adjusting the tension of the spring 87, the back end of which leads through cam follower 82 and is attached to insole 44 at fastening point 43. Cables from the forward end of the spring will cause the girth of the lining assembly and thereby the shoe to self-adjust to fit feet of differing girths, while turning cam 78 by screw 76 causes the cam follower 82 to move according to the varying radius of cam groove 80 to adjust the effective tension exerted by spring 87.
  • cam 78 manually rotationally adjustable from inside of the shoe for adjusting the tension of the spring 87, the back end of which leads through cam follower 82 and is attached to insole 44 at fastening point 43. Cables from the forward end of the spring will cause the girth of the lining assembly and thereby the shoe to
  • the cam follower 82 also engages a longitudinally oriented metal plate fastened to the underside of the insole to limit the cam follower to longitudinal movement.
  • this plate could be designed to extend to grommet 74 and thereby stiffen the insole between follower 82 and grommet 74 to prevent longitudinal buckling of insole 44 during girth adjustment.
  • transverse spring 72 shown in Figure 11, could be included in this embodiment, to allow automatic girth adjustment together with manual adjustment.
  • a similar adjustment spring and/or cam could be placed in the waist area to eliminate the cables.
  • Figs. 14 through 16 show a still further embodiment of the invention, which functions in a manner similar to those of the previous embodiments but with some differences in construction designed to allow this embodiment to be produced at somewhat lower cost for use when the cost factor is a critical and determining issue.
  • Fig. 14 shows shoe 90, typically but not limited to a moccasin loafer style of tubular construction, having an upper 92 of leather or other suitable upper material, comprising a plug or tip 94, preferably attached by handsewn overlap seam 96 to vamp 100, vamp lining 98 and optional plug lining 98a.
  • the linings are constructed of a suitable material which is stretchable girthwise such as spandex, or other like materials, particularly the heavier and more durable Spandura R products distributed by H.L. Warshow & Sons, Inc. of New York, NY.
  • the linings 98 and optional 98a are preferably firmly fastened to upper 92 at a number of locations in the shoe. As shown, fastening occurs at plug stitching 91, optional plug lining stitching 91a, cuff stitching 91b, kicker handsewn seam 91c, and also, where lining 98 is fastened, together with vamp 100 to midsole 102 by the conventional Littleway R stitching 106.
  • Unitsole 104 is attached to midsole 102 by the customary adhesive cement, with both midsole 102 and unitsole 104 composed of the conventional sheet or molded materials used for such members such as leather, plastic or rubber. Finally, a sock 106 is removably inserted into shoe 90, to improve the comfort and durability of the final product.
  • Figure 15 shows the shoe as it would appear when worn on a foot requiring little or no girth adjustment of the shoe.
  • the upper 100 and linings 98 and 98a are in close contact at and near their mutual points of attachment, allowing the sides of the upper, and optionally the top of the upper to deform in both height and width to accommodate the foot of the wearer.
  • lining 98 and 98a are preferably composed of elastically stretchable fabric materials optionally other materials, or mechanisms may be used to create variable and adjustable volumes between foot and upper, operating as girthwise adjustment means at least in the ball region of the shoe.
  • These include sealed or sealable plastic or similar bladders for containment of varying amounts of air and/or other gasses, gels, 'flo' materials or resilient plastic foams.
  • foams include the closed cell heat-moldable polyester based polyurethane foams distributed by United Foam Products Corp. of Georgetown, MA, and others, and are preferably of low density, i.e. 2#/cubic foot or less. Alternatively, such foams can be used to contribute to the elasticity of the girth adjustment means.
  • the foam is preferably lined with a somewhat elastic inner lining of fabric or even a flocking material.
  • a somewhat elastic inner lining of fabric or even a flocking material Such linings to function properly for appreciable girthwise adjustability should provide at least one full standard 'width' adjustment which means at least about 1/4" (.635 cm) of girth adjustability at the ball, waist, and instep of the foot.
  • the linings should be thicker than the 1/16" (.15875 cm) and 1/8" (.3175 cm) fabric-to-foam lining materials often used in vamp linings; i.e. initially in the about 3/8" (.9525 cm) to 1/2" (1.27 cm) thickness range.
  • Such thickness would usually cause unacceptable gaping or open space between the topline of the shoe and the foot adjacent thereto, but this gaping tendency however, can be minimized or even eliminated by proper contouring of the thick foam, reducing the thickness at the topline thereof in the ball, waist, and instep areas for a better appearance and closer fit between shoe and foot. It is a further embodiment of the invention to provide such contouring means for foam lining elements used in shoes.
  • Still another optional embodiment comprises the use of small leaf springs, inserted between lining and upper in the sides of the waist area of the shoe, to facilitate the adjustment of the girth of the shoe.
  • Such springs stamped out of thin, e.g. about .010 inches (.0254 cm) thick, flat spring shim stock can be pre-formed or bent to hold the plug (top of the upper) in a lower position with the sides of the upper deformed outward from that foot, as would be required by a foot of lesser girth.
  • a foot of greater girth would urge the plug up, and the sides inward to a less extreme contour, against the gentle restraint of the spring means.
  • shoes so made will automatically compensate for differences from the norm in girth relationships between ball and instep.
  • This offers significant fit advantages over conventional constructions, particularly for styles not having conventional girth adjustment means, e.g. loafers, boots, slip-on casuals, and the like.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP90903671A 1989-02-17 1990-02-13 Adjustable girth shoe construction Expired - Lifetime EP0458881B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31266889A 1989-02-17 1989-02-17
US312668 1989-02-17
PCT/US1990/000817 WO1990009113A1 (en) 1989-02-17 1990-02-13 Adjustable girth shoe construction

Publications (2)

Publication Number Publication Date
EP0458881A1 EP0458881A1 (en) 1991-12-04
EP0458881B1 true EP0458881B1 (en) 1994-07-13

Family

ID=23212472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90903671A Expired - Lifetime EP0458881B1 (en) 1989-02-17 1990-02-13 Adjustable girth shoe construction

Country Status (17)

Country Link
EP (1) EP0458881B1 (fi)
JP (1) JPH0685721B2 (fi)
KR (1) KR0147304B1 (fi)
CN (1) CN1026056C (fi)
AT (1) ATE108312T1 (fi)
AU (1) AU634215B2 (fi)
BG (1) BG60024B2 (fi)
BR (1) BR9007128A (fi)
CA (1) CA2048659C (fi)
CZ (1) CZ287684B6 (fi)
DE (1) DE69010674T2 (fi)
FI (1) FI92793C (fi)
HU (1) HU211219B (fi)
NO (1) NO176863C (fi)
PL (1) PL164004B1 (fi)
RO (1) RO107812B1 (fi)
WO (1) WO1990009113A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5241762A (en) * 1992-03-31 1993-09-07 Rosen Henri E Adjustable fit shoe construction
ITPO20020001A1 (it) * 2002-01-07 2003-07-07 Calzaturificio Dover Srl Scarpa a calzata variabile e procedimento per la sua fabbricazione
ITBG20020039A1 (it) 2002-11-27 2004-05-28 Benetton Group S P A Ora Benetton Trading Usa In Struttura di calzatura.
EP1952710B1 (de) 2007-02-01 2012-10-03 Caprice Schuhproduktion GmbH & Co. KG Schuh mit variabler Weite und Verfahren zu seiner Herstellung
PL240185B1 (pl) * 2017-10-09 2022-02-28 Bartek Spolka Akcyjna Warstwa zewnętrzna powiększającego się obuwia, zwłaszcza dla dzieci
CN113749348A (zh) * 2021-07-27 2021-12-07 浙江中胤时尚股份有限公司 一种可调松紧的鞋和该鞋的加工方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442031A (en) * 1965-02-04 1969-05-06 Joseph Antell Shoe and method and last for making same
US3404468A (en) * 1967-01-26 1968-10-08 Rosen Henri Elliott Moccasin shoe
US3436842A (en) * 1968-03-11 1969-04-08 Maxwell Sachs Footwear sole with bridging parts and resilient parts and footwear sole with adjustable parts
CA913364A (en) * 1970-07-17 1972-10-31 P. White Thomas Transversely adjustable boot
US3686777A (en) * 1970-11-23 1972-08-29 Henri Elliott Rosen Shoe construction

Also Published As

Publication number Publication date
PL164004B1 (pl) 1994-06-30
PL283819A1 (en) 1991-02-25
NO913217L (no) 1991-08-16
KR920700566A (ko) 1992-08-10
NO176863B (no) 1995-03-06
FI913877A0 (fi) 1991-08-16
AU5153490A (en) 1990-09-05
CA2048659A1 (en) 1990-08-18
AU634215B2 (en) 1993-02-18
NO913217D0 (no) 1991-08-16
FI92793B (fi) 1994-09-30
NO176863C (no) 1995-06-14
BG60024B2 (bg) 1993-07-30
DE69010674T2 (de) 1995-02-16
CZ287684B6 (cs) 2001-01-17
CS74790A3 (en) 1991-07-16
EP0458881A1 (en) 1991-12-04
JPH04502566A (ja) 1992-05-14
DE69010674D1 (de) 1994-08-18
KR0147304B1 (ko) 1998-08-17
JPH0685721B2 (ja) 1994-11-02
HU211219B (en) 1995-11-28
CA2048659C (en) 1997-09-02
CN1044896A (zh) 1990-08-29
HU902150D0 (en) 1992-01-28
WO1990009113A1 (en) 1990-08-23
ATE108312T1 (de) 1994-07-15
BR9007128A (pt) 1991-11-12
CN1026056C (zh) 1994-10-05
FI92793C (fi) 1995-01-10
RO107812B1 (ro) 1994-01-31
HUT67350A (en) 1995-03-28

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