BR102020010307A2 - FOOTWEAR PRODUCED BY FOUNDRY OF SOLE AND UPPER IN POLYURETHANE - Google Patents
FOOTWEAR PRODUCED BY FOUNDRY OF SOLE AND UPPER IN POLYURETHANE Download PDFInfo
- Publication number
- BR102020010307A2 BR102020010307A2 BR102020010307-5A BR102020010307A BR102020010307A2 BR 102020010307 A2 BR102020010307 A2 BR 102020010307A2 BR 102020010307 A BR102020010307 A BR 102020010307A BR 102020010307 A2 BR102020010307 A2 BR 102020010307A2
- Authority
- BR
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- Prior art keywords
- footwear
- polyurethane
- sole
- casting
- produced
- Prior art date
Links
- 239000004814 polyurethane Substances 0.000 title claims abstract description 22
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000005266 casting Methods 0.000 claims abstract description 15
- 230000003670 easy-to-clean Effects 0.000 claims abstract description 4
- 239000003086 colorant Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 238000009958 sewing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 16
- 238000002347 injection Methods 0.000 abstract description 7
- 239000007924 injection Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 230000019612 pigmentation Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B1/00—Footwear characterised by the material
- A43B1/10—Footwear characterised by the material made of rubber
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B9/00—Footwear characterised by the assembling of the individual parts
- A43B9/16—Footwear with soles moulded on to uppers or welded on to uppers without adhesive
- A43B9/18—Footwear with soles moulded on to uppers or welded on to uppers without adhesive moulded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D35/00—Producing footwear
- B29D35/02—Producing footwear made in one piece using a moulding technique, e.g. by injection moulding or casting
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B9/00—Footwear characterised by the assembling of the individual parts
- A43B9/16—Footwear with soles moulded on to uppers or welded on to uppers without adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING 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
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/50—Footwear, e.g. shoes or parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Abstract
calçado produzido por fundição de solado e cabedal em poliuretano. a presente invenção, pertencente ao setor de processos produtivos para calçados, consiste em um calçado ergonômico, leve, macio, confortável, resistente a impacto, de baixo custo, antiderrapante, de fácil limpeza e reciclável, sendo este caracterizado por compreender calçado composto por fundição inteiramente em um único material, o poliuretano (pu). tal processo se dá em moldes de alumínio que recebem o poliuretano líquido em alta temperatura. após a injeção o material se solidifica formando, desta maneira, por meio da fundição, o calçado.footwear produced by casting the sole and upper in polyurethane. The present invention, belonging to the sector of production processes for footwear, consists of ergonomic, light, soft, comfortable, impact-resistant, low-cost, non-slip, easy to clean and recyclable footwear, which is characterized by comprising footwear composed of casting entirely in a single material, polyurethane (pu). This process takes place in aluminum molds that receive liquid polyurethane at high temperature. After injection, the material solidifies, thus forming, through casting, the footwear.
Description
[01] A presente invenção refere-se a um calçado produzido inteiramente em poliuretano. A invenção refere-se, mais particularmente, a um método de fabricação, pertence ao campo de processos produtivos para calçados, feito por meio da fundição de um único material, o poliuretano, para criação de um artigo de calçado.[01] The present invention refers to footwear produced entirely in polyurethane. The invention relates, more particularly, to a manufacturing method, belonging to the field of production processes for footwear, made by casting a single material, polyurethane, to create an article of footwear.
[02] Atualmente os calçados existentes conjugam em limitações e problemas com os solados que descolam facilmente, com a existência de produtos pouco resistentes e, também, de pouca durabilidade e segurança, bem como na complexificação e lentidão do processo de produção ao fabricante. Isto posto, é notável a necessidade de aprimorar os calçados que são entregues ao mercado consumidor, o que influi diretamente no âmbito dos processos para fabricação de calçados das indústrias, em razão de contribuir para o cuidado, benefício e melhoria da condição integral dos usuários, no qual a presente invenção refere-se. É sabido, também, que os materiais usados para dar resistência aos mesmos precisam ser aplicados em alto volume, o que torna, comumente, o processo de produção mais demorado, exigindo mais etapas e, entregando, por fim, um produto desfavorável ao usuário.[02] Currently, the existing shoes combine limitations and problems with the soles that take off easily, with the existence of products that are not very resistant and also have little durability and safety, as well as the complexity and slowness of the production process for the manufacturer. That said, the need to improve the shoes that are delivered to the consumer market is remarkable, which directly influences the scope of the footwear manufacturing processes in the industries, in order to contribute to the care, benefit and improvement of the integral condition of users, to which the present invention relates. It is also known that the materials used to give resistance to them need to be applied in high volume, which commonly makes the production process more time-consuming, requiring more steps and, finally, delivering an unfavorable product to the user.
[03] A figura 1 apresenta uma vista em perspectiva isométrica de calçado em concordância com a presente invenção;[03] Figure 1 shows an isometric perspective view of footwear in accordance with the present invention;
[04] A figura 2 apresenta uma vista isométrica com plano de corte de calçado em concordância com a presente invenção;[04] Figure 2 shows an isometric view with a cutting plane of footwear in accordance with the present invention;
[05] A figura 3 apresenta uma vista isométrica em corte de calçado em concordância com a presente invenção;[05] Figure 3 shows an isometric sectional view of footwear in accordance with the present invention;
[06] Em conformidade com o quanto ilustram as figuras acima relacionadas, segue o descritivo para compreensão da invenção de calçado fabricado por fundição inteiramente de poliuretano.[06] In accordance with what the above-related figures illustrate, the description for understanding the invention of footwear manufactured by casting entirely of polyurethane follows.
[07] A presente invenção consiste um artigo de calçado caracterizado por compreender em seu processo de produção a fundição de um único material, o poliuretano. O poliuretano (PU), material que compõem o produto da invenção, é um polímero formado por poliol e isocianato pelo processo de fundição. Com a fundição, a partir de um molde de artigo de calçado, entre partes compostas inteiramente de PU, é formada uma peça única, que entrega conforto ao usuário, tanto em ambiente casual quanto profissional, sendo suas principais funções ser ergonômico, leve, seguro, confortável, resistente a impacto, de baixo custo, antiderrapante, de fácil limpeza e, ainda, podendo ser reciclado.[07] The present invention consists of an article of footwear characterized by comprising in its production process the casting of a single material, polyurethane. Polyurethane (PU), the material that makes up the product of the invention, is a polymer formed by polyol and isocyanate by the casting process. With the casting, from a footwear article mold, between parts composed entirely of PU, a single piece is formed, which provides comfort to the user, both in casual and professional environments, with its main functions being ergonomic, light, safe. , comfortable, impact resistant, low cost, non-slip, easy to clean and even recyclable.
[08] Neste contexto, o que pode ser comparado ao calçado em poliuretano (PU) são os calçados fabricados com material em E.V.A, com propostas variadas de modelos e tamanhos com solados em borracha, de interior e exterior em E.V.A, que são colados, unindo cabedal e solado, para fabricar os produtos com propósitos semelhantes. Entretanto, nenhum se compara ao conceito da invenção em questão, em que a estrutura de um artigo de calçado é inteiramente composta de PU, onde o produto é constituído pela fundição do próprio material, não existindo procedimento de colagem entre as partes que compõem o calçado.[08] In this context, what can be compared to shoes made of polyurethane (PU) are shoes made of EVA material, with varied proposals of models and sizes with rubber soles, inside and out in EVA, which are glued, joining upper and sole, to manufacture the products with similar purposes. However, none compares to the concept of the invention in question, in which the structure of an article of footwear is entirely composed of PU, where the product is constituted by the casting of the material itself, with no gluing procedure between the parts that make up the footwear. .
[09] Com o intuito de solucionar tais problemas e beneficiar tanto o mercado consumidor quando produtor, desenvolveu-se a presente invenção, por meio da qual o artigo de calçado é produzido por um molde de alumínio que recebe o material, o PU, com pigmentação para colorir e finalizar o produto no molde com design selecionado para fabricação.[09] In order to solve such problems and benefit both the consumer and producer markets, the present invention was developed, through which the footwear article is produced by an aluminum mold that receives the material, the PU, with pigmentation to color and finish the product in the mold with a design selected for manufacturing.
[10] Uma vez que o PU pode ser pigmentado, o artigo de calçado fabricado por meio de fundição em poliuretano, independente do design definido para fabricação em série, permite a criação de diferentes cores do produto para agradar, também esteticamente, o mercado consumidor.[10] Since the PU can be pigmented, the footwear article manufactured through polyurethane casting, regardless of the design defined for serial manufacturing, allows the creation of different product colors to please, also aesthetically, the consumer market. .
[11] O corpo do artigo de calçado é produzido passando pelo processo de produção com a utilização do PU virgem na cor branca ou com pigmentação, que o caracteriza, tornando solado e cabedal um único componente, por meio de injeção do material em alta temperatura, de 120° C, no molde, solidificando o poliuretano líquido, com a fundição do solado ao corpo, sem emendas ou cola, proporcionando um produto com acabamento leve, macio e elegante, de caráter ergonômico, confortável, resistente a impacto, seguro e de baixo custo, antiderrapante e fácil limpeza ao usuário e, ainda, reciclável.[11] The body of the footwear article is produced by going through the production process using virgin PU in white or with pigmentation, which characterizes it, making sole and upper a single component, through injection of the material at high temperature. , of 120° C, in the mold, solidifying the liquid polyurethane, with the fusion of the sole to the body, without seams or glue, providing a product with a light, soft and elegant finish, of an ergonomic, comfortable, impact resistant, safe and low cost, non-slip and easy to clean for the user and also recyclable.
[12] Tem-se em questão, portanto, um calçado que consiste em um produto tecnológico e funcional, desenvolvido e testado com protótipos funcionais no campo em que se situa, o que possibilitou a comprovação das afirmações sobre o uso favorável de um artigo de calçado em concordância com a presente invenção, tanto em uso profissional quanto casual, pois o mesmo se caracteriza por ser de extremo conforto, além de sua segurança e ergonomia que agradam e beneficiam os usuários.[12] In question, therefore, is a footwear that consists of a technological and functional product, developed and tested with functional prototypes in the field in which it is located, which made it possible to prove the statements about the favorable use of an article of footwear in accordance with the present invention, both in professional and casual use, as it is characterized by being extremely comfortable, in addition to its safety and ergonomics that please and benefit users.
[13] Idealizado como um produto inovador, a presente de invenção, de aspecto, material e processo de produção característico benéfico ao mercado de produção, resulta em um conjunto harmônico e singular, que se destaca principalmente pelo seu projeto, qualidade e composição entregue ao mercado consumidor.[13] Conceived as an innovative product, the present invention, with a characteristic appearance, material and production process beneficial to the production market, results in a harmonic and singular set, which stands out mainly for its design, quality and composition delivered to the consumer market.
[14] O processo é feito primeiro pela produção do solado, a partir da injeção de PU no molde de alumínio, formando o mesmo. Em seguida, com a injeção do mesmo material, ocorre a produção do cabedal já unido ao solado, onde ocorre a fundição do polímero, tornando solado e cabedal uma única peça.[14] The process is done first by the production of the sole, from the injection of PU in the aluminum mold, forming the same. Then, with the injection of the same material, the production of the upper, already joined to the sole, takes place, where the polymer melts, making the sole and upper a single piece.
[15] O artigo de calçado produzido por fundição de poliuretano pode ser realizado tendo por molde diversos modelos de calçados diferentes, por exemplo: sandálias, chinelos, botas, o que oferece ao fabricante a possibilidade de fabricação de variadas opções de calçados, para utilização em diferentes âmbitos, focados em contextos tanto casuais quanto profissionais, que entregam as vantagens da invenção em foco, como baixo custo, conforto, segurança e fácil limpeza, características fundamentais na escolha de compra do mercado consumidor.[15] The footwear article produced by polyurethane casting can be made using several different footwear models as a mold, for example: sandals, flip-flops, boots, which offers the manufacturer the possibility of manufacturing varied footwear options for use in different scopes, focused on both casual and professional contexts, which deliver the advantages of the invention in focus, such as low cost, comfort, safety and easy cleaning, fundamental characteristics in the purchase choice of the consumer market.
[16] É importante ressaltar a peculiaridade de um artigo de calçado produzido em concordância com a presente invenção, dado que o material pode ser reciclado. Tal fator, além de reduzir o custo, tanto para fabricante quanto usuário, contribui para a preservação do meio ambiente, bem como pode ser um ponto positivo para decisão do usuário no ato de compra.[16] It is important to emphasize the peculiarity of an article of footwear produced in accordance with the present invention, since the material can be recycled. This factor, in addition to reducing the cost, both for the manufacturer and the user, contributes to the preservation of the environment, as well as being a positive point for the user's decision at the time of purchase.
[17] Analisando a Figura 1 tem-se uma vista isométrica de um artigo calçado produzido em um único material, o poliuretano, sendo composto pelo item (01) cabedal, e item (02) solado, convertidos em um único corpo pelo processo de fundição. O artigo de calçado em questão, visualizado na Figura 2, é produzido em duas etapas no que diz respeito a fundição, sendo estas: (1) produção do solado por injeção no molde, levando aproximadamente de 1 a 3 minutos, e (2) a produção do calçado por meio da segunda injeção e, sequencialmente, da fundição do solado ao cabedal, levando aproximadamente de 1 a 3 minutos, que se solidifica formando, no processo, o corpo do calçado, que pode ser visualizado na Figura 3. É importante ressaltar que não há necessidade de palmilha no calçado, uma vez que este seja usado com meia, pois o material caracteriza-se pelo conforto.[17] Analyzing Figure 1, there is an isometric view of a footwear article produced in a single material, polyurethane, consisting of item (01) upper, and item (02) sole, converted into a single body by the process of foundry. The footwear article in question, visualized in Figure 2, is produced in two stages with regard to casting, which are: (1) production of the sole by injection in the mold, taking approximately 1 to 3 minutes, and (2) the production of the footwear through the second injection and, sequentially, the casting of the sole to the upper, taking approximately 1 to 3 minutes, which solidifies, forming, in the process, the body of the footwear, which can be seen in Figure 3. It is important to emphasize that there is no need for an insole in the shoe, once it is used with a sock, as the material is characterized by its comfort.
[18] O artigo de calçado, que respalda-se pela injeção de poliuretano líquido em moldes de alumínio e fundição do material, requer aproximadamente de 3 a 6 minutos para conceber o produto final e é finalizado após o resfriamento veloz do produto em temperatura ambiente.[18] The footwear article, which is supported by the injection of liquid polyurethane into aluminum molds and casting of the material, requires approximately 3 to 6 minutes to design the final product and is finished after rapid cooling of the product at room temperature. .
Claims (1)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR102020010307-5A BR102020010307A2 (en) | 2020-05-22 | 2020-05-22 | FOOTWEAR PRODUCED BY FOUNDRY OF SOLE AND UPPER IN POLYURETHANE |
| PCT/BR2020/050314 WO2021232120A1 (en) | 2020-05-22 | 2020-08-12 | Footwear made by polyurethane sole and upper footwear foundry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR102020010307-5A BR102020010307A2 (en) | 2020-05-22 | 2020-05-22 | FOOTWEAR PRODUCED BY FOUNDRY OF SOLE AND UPPER IN POLYURETHANE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR102020010307A2 true BR102020010307A2 (en) | 2021-12-07 |
Family
ID=78708818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR102020010307-5A BR102020010307A2 (en) | 2020-05-22 | 2020-05-22 | FOOTWEAR PRODUCED BY FOUNDRY OF SOLE AND UPPER IN POLYURETHANE |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR102020010307A2 (en) |
| WO (1) | WO2021232120A1 (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10222897B4 (en) * | 2002-05-23 | 2017-10-26 | Adidas International Marketing B.V. | shoe |
| DE102010052783B4 (en) * | 2010-11-30 | 2013-04-04 | Puma SE | Method of making a shoe and shoe |
| WO2012149458A1 (en) * | 2011-04-29 | 2012-11-01 | Crocs, Inc. | Footwear with dual molded piece construction |
| US20150150339A1 (en) * | 2013-12-03 | 2015-06-04 | Nike, Inc. | Article of Footwear |
| US11589650B2 (en) * | 2017-08-04 | 2023-02-28 | Stefanie Miller Kwiatkowski | Slip resistant shoe |
| EP3545783B1 (en) * | 2018-03-29 | 2023-06-07 | Dunlop Protective Footwear B.V. | Article of footwear, and method for manufacturing such an article |
| US10849385B2 (en) * | 2018-03-29 | 2020-12-01 | Lacrosse Footwear, Inc. | Footwear assembly having a vulcanized rubber layer and polyurethane layer |
-
2020
- 2020-05-22 BR BR102020010307-5A patent/BR102020010307A2/en unknown
- 2020-08-12 WO PCT/BR2020/050314 patent/WO2021232120A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021232120A1 (en) | 2021-11-25 |
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| B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |