US3362091A - Seamless ski shoes and method of making same - Google Patents

Seamless ski shoes and method of making same Download PDF

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Publication number
US3362091A
US3362091A US557013A US55701366A US3362091A US 3362091 A US3362091 A US 3362091A US 557013 A US557013 A US 557013A US 55701366 A US55701366 A US 55701366A US 3362091 A US3362091 A US 3362091A
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US
United States
Prior art keywords
layer
rubber
seamless
last
shoe
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
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US557013A
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English (en)
Inventor
Drago Vittorio
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.)
Superga SpA
Original Assignee
Superga SpA
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Filing date
Publication date
Application filed by Superga SpA filed Critical Superga SpA
Application granted granted Critical
Publication of US3362091A publication Critical patent/US3362091A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14Multilayered parts
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0405Linings, paddings or insertions; Inner boots
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/28Adapting the inner sole or the side of the upper of the shoe to the sole of the foot
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00Skis or snowboards
    • A63C5/12Making thereof; Selection of particular materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D35/00Producing footwear
    • B29D35/12Producing parts thereof, e.g. soles, heels, uppers, by a moulding technique
    • B29D35/14Multilayered parts
    • B29D35/146Uppers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00Use of unspecified rubbers as moulding material

Definitions

  • the invention relates to methods of manufacturing seamless ski shoes and shoes obtained by the method.
  • Seamless ski shoes which comprise and upper formed from layers of vulcanized rubber, the said layers differing in rigidity. Such shoes are lined on the inside with a layer of expanded rubber covered by a layer of wool fabric. A rigid rubber sole and an insole, usually of the so-called orthopaedic type are secured to the said upper.
  • the profile of the last is arranged to match the profile of a foot, that is to say, the last surface is formed with projections and recesses corresponding to the instep.
  • the rubber layers froming the outer wall of the upper tend to become loosened from the last surface at the said recesses during vulcanizing. This is despite thef act that they are pressed against the last during lasting and means that the outer wall of the upper of the finished shoe does not match the foot which it is intended to fit.
  • the upper adheres to the projecting foot parts only, and more particularly to the instep where the fastening action of the shoe clips tends to be concentrated.
  • An object of the present invention is to shape the upper in accordance with the profile of the last during manufacture and to maintain the said profile after vulcanization and unlasting.
  • a further object of the invention is to provide a shoe having a rigid upper which uniformly compresses the foot.
  • a further object is to provide a method of manufacturing seamless ski shoes, wherein an upper, an insole and a sole are placed on a last having the shape of a foot, the said upper comprising a lining, a layer of expanded rubber extending over the said lining and at least one rubber-cloth layer forming the wall of the upper, a layer of heat-setting synthetic resin is then fixed to the surface of the upper wall and a layer of rubber applied thereto, at least one portion of the upper at the instep is then compressed by means of a divided mold having its inner surface conjugated with the anatomic surface of the last, the layer of heat-setting resin heated while the upper is maintained pressed between the last and mold to cause the synthetic resin to harden, the mold removed and the lasted shoe vulcanized.
  • a still further object is to provide a seamless ski shoe comprising an upper, an insole and a sole interconnected by vulcanization, the upper having from the inside towards the outside a layer of lining, a layer of expanded rubber extending over the said lining, and at least one 3,362,091 Patented Jan. 9, 1968 rubber-cloth layer having a Shore hardness of between 50 and and forming the outer wall of the upper, a layer of heat-setting synthetic resin exceeding in hardness the rubber layer forming the outer wall of the upper having been applied to the outer surface of the wall of the upper.
  • FIGURE 1 is a perspective view of a ski shoe according to the invention.
  • FIGURE 2 is a sectional view taken along the line II-II of FIGURE 1;
  • FIGURE 3 is a detail view of FIGURE 2 on an enlarged scale
  • FIGURE 4 is a sectional view taken along the line IV1V of FIGURE 2 and showing the shoe lasted on a last which has the profile of a foot;
  • FIGURES 5 and 6 are sectional views similar to FIG. 4, showing the lasted shoe and a mold in two operational positions.
  • the ski shoe will be seen to comprise an upper 1 provided with a tongue 2 and fastening means in the form of clips 3.
  • the upper is secured by vulcanization to an insole 4 and a pre-molded sole 5.
  • the upper 1 comprises one or two layers of rubbercloth 6 sealed together by vulcanization and having applied to their outer surface a layer 7 of a heat-setting synthetic resin mix.
  • the layer 7 substantially covers the surface of the said layers 6.
  • the upper is shaped to fit a foot but is formed on both shoe sides with projections 8 in the regions above the instep and with adjacent recesses 9 behind them.
  • the layer 7 is externally covered by a rubber layer 7a and this layer forms the outer coating of the upper 1.
  • the rubber layers 6 are covered on their inner surface with a layer of expanded rubber 10 and a suitable lining 11, for instance of woolly material.
  • the rubber mix for the layers 6 is of a Shore hardness ranging between 50 and 75 and the heat-setting resin employed for the layer 7 is of the type marketed by Chemische Werke Huele A.G., Marl, Western Germany, under the name Duranite 30B, the said synthetic resin having a butadiene base with a high styrene content and exhibiting, after heat treatment, a Shore hardness of -95.
  • the layer 7 is thus stiffer then the internal layers 6.
  • the latter, as well as the layer 7a, the expanded rubber layer 10 and the lining 11, are arranged in accordance with the foot profile and include recesses 12 and projections 13 situated respectively opposite the projections 8 and recesses 9. In this way, when the shoe is fastened by r means of the clips 3, the pressure from the upper on the foot is uniformly distributed, and the shoe is comfortable III use.
  • FIGURES 4 to 6 The main steps of manufacturing ski shoes of the type described above are shown in FIGURES 4 to 6.
  • the first step (FIG. 4) is carried out on a suitably shaped last 14 provided at the region of the instep with projections 15 and recesses 16.
  • the insole 4, upper 1 and sole 5 are lasted in a manner known per se.
  • the upper 1 comprises a plurality of layers sequentially glued to the last 14 and including an inner lining 11 a of wool, a layer of expanded rubber 10, one or two layers 6 of rubber having a Shore hardness of between 50 and 75, alternated with one or two cloth layers and a layer 7 of a mix having a base of heat-setting resin of the Duranite 30B type.
  • the surface of the layer 7 is covered by a layer 7a formed from a rubber having a Shore hardness of between 50 and 60. Owing to the resiliency of the layers forming the upper 1, the latter does not adhere to the surface of the last 14 throughout, and tangentially engages the projections 15. As a result hollows 17 are formed adjacent the recesses 16.
  • the still-lasted upper is laterally compressed by a heated mold made of two halves 18, 19.
  • the said mold halves are each formed with recesses 20 and projections 21 respectively matching the projections 15 and recesses 16 in the last 14.
  • the layer 7 hardens and is, at the end of the treatment, of a Shore hardness of 90-95. This exceeds the hardness of the internal layers of the upper.
  • the layer 7 maintains the layers 6 of lower hardness, the layer of expanded rubber 10 and the lining 11 in a deformed state in accordance with the shape of the last 14. In this way the upper is internally formed at the instep with recesses 12 and projections 13.
  • a method of making seamless ski shoes comprising the steps of:
  • the said upper including a lining, a layer of expanded rubber extending over the said lining and at least one rubber-cloth layer forming the wall of the upper,
  • a method according to claim 1 wherein the synthetic resin has a Shore hardness, when set, of between 90 and 95.
  • the upper including a first and inner lining layer, a second layer of expanded rubber extending over said first layer, at least one rubber cloth third layer of Shore hardness between and 75, a fourth layer of a mix having a base of heatsetting synthetic resin and a fifth layer of rubber forming an outer coating, the said resin of the said mix, when set, exceeding in hardness the rubber of the said third layer and thus serving to maintain a desired shoe shape.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
US557013A 1965-06-25 1966-06-13 Seamless ski shoes and method of making same Expired - Lifetime US3362091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1454665 1965-06-25

Publications (1)

Publication Number Publication Date
US3362091A true US3362091A (en) 1968-01-09

Family

ID=11145213

Family Applications (1)

Application Number Title Priority Date Filing Date
US557013A Expired - Lifetime US3362091A (en) 1965-06-25 1966-06-13 Seamless ski shoes and method of making same

Country Status (6)

Country Link
US (1) US3362091A (de)
AT (1) AT283953B (de)
CH (1) CH437768A (de)
DE (1) DE1685717A1 (de)
ES (1) ES328182A1 (de)
FR (1) FR1484462A (de)

Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529369A (en) * 1968-02-21 1970-09-22 Superga Spa Sports boots such as ski boots
US3530596A (en) * 1969-03-12 1970-09-29 Raichle Boot Co Ltd Ski boot
US3593435A (en) * 1969-01-06 1971-07-20 Robert B Lange Plastic ski boot
US3657827A (en) * 1969-05-21 1972-04-25 Justus Rieker Pressure distribution element for boots
US3975840A (en) * 1975-01-24 1976-08-24 Garcia Corporation Molded athletic boot and method of making same
EP0391752A1 (de) * 1989-02-03 1990-10-10 Sport Maska Inc. Schuhwerk aus nachformbaren mehrschichtigen Lagen und Herstellungsverfahren für dieses Schuhwerk
US5673448A (en) * 1992-11-04 1997-10-07 Intuition Sports Incorporated Sport boot liner and method for making same
US5694707A (en) * 1994-06-09 1997-12-09 Roces S.R.L. Sports shoe with improved safety
EP0842619A2 (de) * 1996-10-16 1998-05-20 Dolomite S.P.A. Verfahren zur Herstellung von Sportschuhen mit einem weichen, nachgebenden Oberleder, sowie ein Snowboardschuh oder vergleichbare, und Schuhe die mit diesem Verfahren hergestellt werden
US5785909A (en) * 1996-08-21 1998-07-28 Nike, Inc. Method of making footwear with a pourable foam
US5885500A (en) * 1995-12-20 1999-03-23 Nike, Inc. Method of making an article of footwear
US5964047A (en) * 1997-10-20 1999-10-12 Columbia Insurance Company Waterproof footwear
US6338205B2 (en) * 1999-12-29 2002-01-15 Georgia Boot Llc Footwear with molded web platform for attaching outsole
US20020047228A1 (en) * 2000-10-02 2002-04-25 Sport Maska Inc. Method and apparatus for pressure molding multi-layer footwear
US6460274B1 (en) * 1997-07-11 2002-10-08 Holy International Footwear part of a boot or equipment involving a footwear component
US20100084083A1 (en) * 2008-10-03 2010-04-08 Nike, Inc. Method of Customizing an Article and Apparatus
US20110083340A1 (en) * 2009-10-14 2011-04-14 Reebok International Ltd. Form-Fitting Articles and Method for Customizing Articles to be Form-Fitted
US20110192537A1 (en) * 2009-06-24 2011-08-11 Nike, Inc. Method Of Customizing An Article And Apparatus Including An Inflatable Member
US8984776B2 (en) 2011-11-30 2015-03-24 Lacrosse Footwear, Inc. Polyurethane injected boot assembly and associated manufacturing method
US9185946B2 (en) 2009-10-14 2015-11-17 Reebok International Limited Form-fitting articles and method for customizing articles to be form-fitted
US20150374070A1 (en) * 2014-06-25 2015-12-31 Fuerst Group, Inc. Strobel lasted injected footwear
US9259877B2 (en) 2013-02-22 2016-02-16 Nike, Inc. System and method for applying heat and pressure to three-dimensional articles
US9351540B2 (en) 2013-02-14 2016-05-31 Nike, Inc. Last with retractable pins
US9585438B2 (en) 2013-02-22 2017-03-07 Nike, Inc. System and method for forming an article
US9713361B2 (en) 2013-02-22 2017-07-25 Nike, Inc. Bottom-down last for 3D forming
US9788611B2 (en) 2009-06-24 2017-10-17 Nike, Inc. Method of using an inflatable member to customize an article
US9844243B2 (en) 2008-10-03 2017-12-19 Nike, Inc. Protective cover and graphic transfer assembly
USD891043S1 (en) 2015-10-15 2020-07-28 LaCrosse Footwear Boot
USD895235S1 (en) 2011-11-30 2020-09-08 Lacrosse Footwear, Inc. Boot

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH337762A (de) * 1955-12-02 1959-04-15 Rieter Joh Jacob & Cie Ag Streckwerk mit einem Oberriemchen-Käfig
DE1058886B (de) * 1956-03-28 1959-06-04 Zinser Textilmaschinen Gmbh Doppelriemchen-Streckwerk, insbesondere fuer Wolle und langstapelige Chemiefasern
DE1098417B (de) * 1957-11-15 1961-01-26 Skf Kugellagerfabriken Gmbh Spannvorrichtung fuer ein in einem Riemchenkaefig mit starrer Wendeschiene gefuehrtes Oberriemchen fuer Spinnereimaschinen-Streckwerke
DE1114417B (de) * 1958-03-31 1961-09-28 Wuerttembergische Spindelfabri Doppelriemchenstreckwerk fuer Spinnereimaschinen
FR2348665A1 (fr) * 1976-04-22 1977-11-18 Salomon & Fils F Procede de fabrication d'une chaussure comportant une coque adaptable a la morphologie du pied du porteur
AT386324B (de) * 1985-08-09 1988-08-10 Fischer Gmbh Verfahren zum versteifen von skischuhen und nach dem verfahren versteifter skischuh
NL193628C (nl) * 1989-06-24 2000-05-04 Jacob Havekotte Sportschoen, meer in het bijzonder schaatsschoen, alsmede werkwijze voor het vervaardigen van een schoenschaal als drager voor het bovenwerk van een dergelijke schoen.
DE69018485T2 (de) * 1990-10-19 1995-07-27 Canstar Sports Group Inc Verfahren zum herstellen in formen gefertigten schuhwerks in verschiedenen weiten.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982033A (en) * 1958-03-04 1961-05-02 Cambridge Rubber Co Plastic footwear having contrasting color effects
US3050874A (en) * 1960-09-21 1962-08-28 Superga Societa Per Azioni Rubber ski shoe

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982033A (en) * 1958-03-04 1961-05-02 Cambridge Rubber Co Plastic footwear having contrasting color effects
US3050874A (en) * 1960-09-21 1962-08-28 Superga Societa Per Azioni Rubber ski shoe

Cited By (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3529369A (en) * 1968-02-21 1970-09-22 Superga Spa Sports boots such as ski boots
US3593435A (en) * 1969-01-06 1971-07-20 Robert B Lange Plastic ski boot
US3530596A (en) * 1969-03-12 1970-09-29 Raichle Boot Co Ltd Ski boot
US3657827A (en) * 1969-05-21 1972-04-25 Justus Rieker Pressure distribution element for boots
US3975840A (en) * 1975-01-24 1976-08-24 Garcia Corporation Molded athletic boot and method of making same
EP0391752A1 (de) * 1989-02-03 1990-10-10 Sport Maska Inc. Schuhwerk aus nachformbaren mehrschichtigen Lagen und Herstellungsverfahren für dieses Schuhwerk
US4964229A (en) * 1989-02-03 1990-10-23 Sport Maska, Inc. Method and apparatus for vacuum molding multi-layer footwear
US5673448A (en) * 1992-11-04 1997-10-07 Intuition Sports Incorporated Sport boot liner and method for making same
US5694707A (en) * 1994-06-09 1997-12-09 Roces S.R.L. Sports shoe with improved safety
US5885500A (en) * 1995-12-20 1999-03-23 Nike, Inc. Method of making an article of footwear
US5785909A (en) * 1996-08-21 1998-07-28 Nike, Inc. Method of making footwear with a pourable foam
EP0842619A2 (de) * 1996-10-16 1998-05-20 Dolomite S.P.A. Verfahren zur Herstellung von Sportschuhen mit einem weichen, nachgebenden Oberleder, sowie ein Snowboardschuh oder vergleichbare, und Schuhe die mit diesem Verfahren hergestellt werden
EP0842619A3 (de) * 1996-10-16 1999-02-03 Dolomite S.P.A. Verfahren zur Herstellung von Sportschuhen mit einem weichen, nachgebenden Oberleder, sowie ein Snowboardschuh oder vergleichbare, und Schuhe die mit diesem Verfahren hergestellt werden
US6460274B1 (en) * 1997-07-11 2002-10-08 Holy International Footwear part of a boot or equipment involving a footwear component
US5964047A (en) * 1997-10-20 1999-10-12 Columbia Insurance Company Waterproof footwear
US6338205B2 (en) * 1999-12-29 2002-01-15 Georgia Boot Llc Footwear with molded web platform for attaching outsole
US20020047228A1 (en) * 2000-10-02 2002-04-25 Sport Maska Inc. Method and apparatus for pressure molding multi-layer footwear
US6994532B2 (en) * 2000-10-02 2006-02-07 Sport Maska Inc. Method and apparatus for pressure molding multi-layer footwear
US9844243B2 (en) 2008-10-03 2017-12-19 Nike, Inc. Protective cover and graphic transfer assembly
US9259903B2 (en) 2008-10-03 2016-02-16 Nike, Inc. Protective member for graphic transfer process
US8162022B2 (en) 2008-10-03 2012-04-24 Nike, Inc. Method of customizing an article and apparatus
US8293054B2 (en) 2008-10-03 2012-10-23 Nike, Inc. Method of customizing an article and apparatus
US8574387B2 (en) 2008-10-03 2013-11-05 Nike, Inc. Protective member for graphic transfer process
US8851135B2 (en) 2008-10-03 2014-10-07 Nike, Inc. Method of customizing an article and apparatus
US9809015B2 (en) 2008-10-03 2017-11-07 Nike, Inc. Method of customizing an article using a graphic transfer assembly
US9120296B2 (en) 2008-10-03 2015-09-01 Nike, Inc. Method of customizing an article and apparatus
US20100084083A1 (en) * 2008-10-03 2010-04-08 Nike, Inc. Method of Customizing an Article and Apparatus
US20110192537A1 (en) * 2009-06-24 2011-08-11 Nike, Inc. Method Of Customizing An Article And Apparatus Including An Inflatable Member
US8961723B2 (en) 2009-06-24 2015-02-24 Nike, Inc. Method of customizing an article and apparatus including an inflatable member
US9788611B2 (en) 2009-06-24 2017-10-17 Nike, Inc. Method of using an inflatable member to customize an article
US9854877B2 (en) 2009-06-24 2018-01-02 Nike, Inc. Method of customizing an article including an inflatable member
US9339078B2 (en) * 2009-10-14 2016-05-17 Reebok International Limited Form-fitting articles and method for customizing articles to be form-fitted
US9295299B2 (en) 2009-10-14 2016-03-29 Reebok International Limited Form-fitting articles and method for customizing articles to be form-fitted
US20110083340A1 (en) * 2009-10-14 2011-04-14 Reebok International Ltd. Form-Fitting Articles and Method for Customizing Articles to be Form-Fitted
US9185946B2 (en) 2009-10-14 2015-11-17 Reebok International Limited Form-fitting articles and method for customizing articles to be form-fitted
US10912347B2 (en) 2011-11-30 2021-02-09 Lacrosse Footwear, Inc. Polyurethane injected boot assembly and associated manufacturing method
US11666114B2 (en) 2011-11-30 2023-06-06 Lacrosse Footwear, Inc. Polyurethane injected boot assembly and associated manufacturing method
USD895235S1 (en) 2011-11-30 2020-09-08 Lacrosse Footwear, Inc. Boot
US9204685B2 (en) 2011-11-30 2015-12-08 Lacrosse Footwear, Inc. Polyurethane injected boot assembly and associated manufacturing method
US8984776B2 (en) 2011-11-30 2015-03-24 Lacrosse Footwear, Inc. Polyurethane injected boot assembly and associated manufacturing method
US9351540B2 (en) 2013-02-14 2016-05-31 Nike, Inc. Last with retractable pins
US10010140B2 (en) 2013-02-14 2018-07-03 Nike, Inc. Last with retractable pins
US10582742B2 (en) 2013-02-14 2020-03-10 Nike, Inc. Last with retractable pins
US9961964B2 (en) 2013-02-14 2018-05-08 Nike, Inc. Method of making an article of footwear with a last having retractable pins
US9259877B2 (en) 2013-02-22 2016-02-16 Nike, Inc. System and method for applying heat and pressure to three-dimensional articles
US9862160B2 (en) 2013-02-22 2018-01-09 Nike, Inc. System and method for applying heat and pressure to three-dimensional articles
US9585438B2 (en) 2013-02-22 2017-03-07 Nike, Inc. System and method for forming an article
US10897962B2 (en) 2013-02-22 2021-01-26 Nike, Inc. System and method for forming an article
US9713361B2 (en) 2013-02-22 2017-07-25 Nike, Inc. Bottom-down last for 3D forming
US10362835B2 (en) * 2014-06-25 2019-07-30 Fuerst Group, Inc. Strobel lasted injected footwear
US20150374070A1 (en) * 2014-06-25 2015-12-31 Fuerst Group, Inc. Strobel lasted injected footwear
USD891043S1 (en) 2015-10-15 2020-07-28 LaCrosse Footwear Boot
USD940439S1 (en) 2015-10-15 2022-01-11 Lacrosse Footwear, Inc. Boot
USD988648S1 (en) 2015-10-15 2023-06-13 Lacrosse Footwear, Inc. Boot

Also Published As

Publication number Publication date
CH437768A (it) 1967-06-15
FR1484462A (de) 1967-09-15
ES328182A1 (es) 1967-04-01
DE1685717A1 (de) 1972-04-27
AT283953B (de) 1970-08-25

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