BR102017017992B1 - Forro multicamada de vestuário - Google Patents

Forro multicamada de vestuário Download PDF

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Publication number
BR102017017992B1
BR102017017992B1 BR102017017992-3A BR102017017992A BR102017017992B1 BR 102017017992 B1 BR102017017992 B1 BR 102017017992B1 BR 102017017992 A BR102017017992 A BR 102017017992A BR 102017017992 B1 BR102017017992 B1 BR 102017017992B1
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BR
Brazil
Prior art keywords
layer
lining
sublayer
multilayer
multilayer lining
Prior art date
Application number
BR102017017992-3A
Other languages
English (en)
Other versions
BR102017017992A2 (pt
Inventor
Emily Steed Ewell
Original Assignee
Ec Brand Com Imp Exp De Vest Ltda
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.)
Filing date
Publication date
Application filed by Ec Brand Com Imp Exp De Vest Ltda filed Critical Ec Brand Com Imp Exp De Vest Ltda
Priority to BR102017017992-3A priority Critical patent/BR102017017992B1/pt
Priority to CN201880053024.XA priority patent/CN111032328A/zh
Priority to PCT/BR2018/050295 priority patent/WO2019036783A1/pt
Priority to UY0001037853A priority patent/UY37853A/es
Priority to CA3073436A priority patent/CA3073436C/en
Priority to US16/496,231 priority patent/US11357269B2/en
Priority to EP18848333.3A priority patent/EP3674074A4/en
Priority to ARP180102384A priority patent/AR112743A1/es
Publication of BR102017017992A2 publication Critical patent/BR102017017992A2/pt
Priority to ZA2020/01422A priority patent/ZA202001422B/en
Publication of BR102017017992B1 publication Critical patent/BR102017017992B1/pt

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    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/04—Heat-responsive characteristics
    • D10B2401/041—Heat-responsive characteristics thermoplastic; thermosetting
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene
    • D10B2509/02—Bandages, dressings or absorbent pads
    • D10B2509/026—Absorbent pads; Tampons; Laundry; Towels

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Abstract

A presente invenção refere-se a um forro multicamada de vestuário respirável, reutilizável e à prova de vazamentos, com funções absorvente, antimicrobiana, de impermeabilização e de dispersão de vapores. Tal forro possui como finalidade evitar vazamento de fluidos corporais como suor, sangue, fluidos vaginais, fluido menstrual, urina, leite materno ou fluidos pós-cirúrgicos.

Description

CAMPO DA INVENÇÃO
[001] Trata-se de um forro multicamada de vestuário respirável, reutilizável e à prova de vazamentos, com funções absorvente, antimicrobiana, de impermeabilização e de dispersão de vapores.
FUNDAMENTOS DA INVENÇÃO
[002] Roupas com funcionalidades provem soluções para os consumidores e são capazes de aumentar o bem-estar e a saúde. Atualmente, existem diversas soluções para os problemas relativos à liberação dos fluidos corporais como suor, sangue, fluidos vaginais, fluido menstrual, urina, leite materno ou fluidos pós-cirúrgicos.
[003] Porém, muitas dessas soluções para a liberação de fluidos corporais não refletem soluções práticas, uma vez que requerem aplicação diária e reaplicação. Ademais, o descarte após o uso pode refletir em outros problemas técnicos para o consumidor.
[004] Desta maneira, produtos laváveis e reaproveitáveis para solucionar os problemas de liberação de fluidos corporais são desejáveis pelo consumidor. Adicionalmente, a alta durabilidade de tais produtos também é um fator desejável.
[005] A presente invenção refere-se a um forro multicamada de vestuário respirável, reaproveitável e à prova de vazamentos. Tal forro possui como finalidade principal evitar vazamento de fluidos corporais como suor, sangue, fluidos vaginais, fluido menstrual, urina, leite materno ou fluidos pós-cirúrgicos. O forro pode ser costurado ou colado à peça de vestuário visando aumentar a qualidade de vida e o bem-estar dos consumidores. Os ditos vestuários nos quais o forro pode ser aplicado incluem: roupas íntimas femininas e masculinas, shorts, bermudas, saias, calças, sutiãs, camisas, camisetas, macacões, modeladores corporais, vestidos, roupas de dormir femininas masculinas e outras.
[006] O presente forro multicamada para vestuário possui pelo menos quatro camadas, dentre as quais pelo menos uma possui funcionalidade antimicrobiana, que é fundamental para garantir a saúde e o bem-estar do usuário.
[007] O fato do referido forro ser reutilizável garante que a presente invenção seja uma solução econômica e higiênica para o usuário, além de contribuir positivamente para o meio ambiente.
[008] A respirabilidade do forro multicamada para vestuário é essencial para manter a estabilidade da temperatura e do conforto da peça para o usuário durante o seu uso. Ademais, o forro possui função antimicrobiana com durabilidade de até 60 lavagens utilizando máquina de lavar roupa. Para a preservação de sua característica antimicrobiana após diversas lavagens, o forro deve ser higienizado sem amaciante de roupa ou alvejante, de forma a garantir as suas funções.
[009] O pedido de patente americano US 2013006288 revela diversas modalidades de forros multicamada de vestuário. Em uma de suas modalidades é revelado um forro com uma primeira camada com função de absorção e drenagem; uma segunda camada antimicrobiana; uma terceira camada impermeável e respirável de politetrafluoretileno (PTFE); uma quarta camada externa de tecido, que protege a terceira camada e auxilia na difusão de umidade e uma quinta camada de material de acabamento externo.
[010] Cumpre ressaltar que a camada impermeável do presente pedido de patente é composta por poliuretano termoplástico respirável (TPU), enquanto que a camada respirável do pedido americano em questão é composta por PTFE. O uso do TPU na camada impermeável proporciona vantagens ao forro multicamada da presente invenção, uma vez que possui as características de ser respirável, de promover dispersão de vapores e impermeabilização. Além disso, a camada de TPU utilizada no forro multicamada pleiteado é adicionada ao forro sem o uso de tratamentos químicos, caracterizando-se como uma opção menos custosa, de rápida produção e, ainda, mais salubre, principalmente aos usuários com problemas alérgicos, por exemplo. Diante das características descritas acima, o forro multicamada da presente invenção trata-se de uma solução técnica diferenciada daquela descrita pelo documento de patentes americano supracitado.
BREVE DESCRIÇÃO DA INVENÇÃO
[011] A presente invenção refere-se a um forro multicamada de vestuário respirável, reutilizável e à prova de vazamentos. Tal forro possui como finalidade evitar vazamento de fluidos corporais como suor, sangue, fluidos vaginais, fluido menstrual, urina, leite materno ou fluidos pós-cirúrgicos. Adicionalmente, o referido forro multicamada possui funções absorvente, antimicrobiana, de impermeabilização e de dispersão de vapores.
[012] O forro multicamada pode ser costurado ou colado à peça de vestuário, as quais incluem, mas não se limitam à: roupas íntimas femininas e masculinas, shorts, bermudas, saias, calças, sutiãs, camisas, camisetas, macacões, modeladores corporais, vestidos, roupas de dormir femininas e masculinas.
BREVE DESCRIÇÃO DAS FIGURAS
[013] A presente invenção será, a seguir, descrita com referência às modalidades representadas nas figuras.
[014] A figura 1 é uma vista esquemática que mostra o forro multicamada para vestuário composto pelas camadas A, B, C e D.
[015] A figura 2 é uma vista esquemática que mostra uma modalidade do forro multicamada para vestuário composto pelas camadas A, B, C, D1 e D2.
DESCRIÇÃO DETALHADA DA INVENÇÃO
[016] A presente invenção refere-se a um forro multicamada de vestuário que pode ser usado em peças de vestuário, preferencialmente, em roupas íntimas femininas e masculinas em geral.
[017] O forro multicamada da presente invenção compreende pelo menos 4 (quatro) camadas, sendo uma primeira camada A de material de acabamento externo, preferencialmente selecionado de material do grupo compreendendo algodão, modal, bambú, viscose, poliéster, microfibra, nylon, incluindo combinações com elastano, com lycra e com spandex.
[018] Uma segunda camada “B” de material natural ou sintético selecionado do grupo compreendendo algodão, poliéster, bambú, viscose, tinsel, modal e nylon com peso entre 60 e 350 g/m2 e pode possuir estrutura de mala, de tecido trançado, de fleece, de felpa ou de microfibra. A referida camada é tratada quimicamente com produto antimibrocrobiano, particularmente com produto que contém íons de prata, como por exemplo Silpure (produto da Thomson Research associates).
[019] A terceira camada do forro multicamada, a camada “C” é composta por poliuretano termoplástico respirável de 0, 015-0, 020mm que é aplicado sem o uso de produtos químicos nocivos, como aqueles presentes nos forros já conhecidos no estado da técnica.
[020] Uma quarta camada interna, a camada “D”, é a camada de contato com a pele e pode ser composta de qualquer tecido que contenha meios apropriados para absorção, higiene, drenagem etc.
[021] A camada “C”, terceira camada, é fixada na segunda camada, camada “B” por meio de um processo de laminação, com aplicação de calor. As demais camadas são unidas por meio de processo de costura específico.
[022] A combinação da camada impermeável “C” e da camada antimicrobiana “B” promove maior efetividade antimicrobiana pelo fato da camada “C” se encontrar na parte inferior do forro multicamada, de modo que a maior parte do líquido absorvido não fica em contato com o tecido antimicrobiano. Além disso, a organização das camadas “B” e “C” gera maior flexibilidade durante o vestuário que contenha o forro multicamadas. Além disso, devido à disposição das camadas, o forro da presente invenção não possui grandes espessuras e, por essa razão, trata-se de i, forro mais confortável para o usuário.
[023] Em uma outra modalidade da presente invenção, a camada “D” é substituída pelas camadas “D1” e “D2”. A camada “D2” é uma camada opcional e com função absorvente, enquanto que a camada “D1” é a camada interna.
[024] A camada “D1” é a camada interna do forro que pode ser composta por 51% dos seguintes materiais: modal, viscose, bambu, carbono ou algodão com 90-300gsm. Além disso, a camada “D1” pode ser tricotada ou tecida com um padrão especial a ser criado com: (1) aberturas maiores ou canais para o líquido em que os referidos canais facilitam a passagem mecânica do líquido, por capilaridade, para a próxima camada. O referido líquido inclui, mas não se limita à, líquidos com alta viscosidade e/ou menos polarizados do que a água e com (2) textura 3D que proporciona uma maior superfície de contato em direção ao corpo - permitindo uma secagem mais rápida e um toque mais seco se comparado a um tecido de Jersey de malha simples ou dupla de peso comparável e denier.
[025] A camada “D2” da presente invenção é uma camada absorvente composta por pelo menos 90% de poliéster ou microfibra com fibra coolplus incorporada com tecnologia de rápida absorção, secagem rápida e propriedades resfriantes, com 100-300gsm. As fibras coolplus são fibras distintas das tecnologias comumente utilizadas para se obter roupas com rápida absorção e secagem, uma vez que as referidas tecnologias utilizam produtos químicos que podem evadir do tecido devido as lavagens por terem sido desenvolvidas com funções de rápida absorção e secagem. Adicionalmente, as fibras coolplus por serem incorporadas diretamente no tecido são mais resistentes e não danificam ou saem com o passar do tempo. Tais características auxiliam na regulação da temperatura, prevenindo o aumento de temperatura no forro.
[026] Dependendo da finalidade do forro multicamada para vestuário, esta camada pode ser opcional ou estar em maiores quantidades no forro.
[027] O forro multicamada para vestuário possui resistência até 60 lavagens em máquina, guardados os devidos cuidados, está em conformidade com a norma IS20743, possui resistência por 12 h ao teste de impermeabilidade aplicando 500 ml de fluido e é permeável ao ar.
[028] Os versados na arte valorizarão os conhecimentos aqui apresentados e poderão reproduzir a invenção nas modalidades apresentadas e em outras variantes, abrangidas no escopo das reivindicações anexas.

Claims (10)

1. Forro multicamada para roupas, o forro multicamadas caracterizado por compreender: uma primeira camada (A), uma segunda camada (B), uma terceira camada (C) e uma quarta camada (D), a primeira camada (A) é uma camada externa, a segunda camada (B) está localizada entre a primeira (A) e a terceira camada (C), a terceira camada (C) está localizada entre a segunda camada (B) e a quarta camada (D), a quarta camada (D) é uma camada interna e a segunda camada (B) e a terceira camada (C) estão localizadas entre a primeira camada (A) e a quarta camada (D), a primeira camada (A) compreende uma camada de material de acabamento externo, a segunda camada (B) compreende uma camada de material natural ou sintético que é tratada com um produto antimicrobiano; a terceira camada (C) compreende uma camada impermeável de poliuretano termoplástico respirável; e a quarta camada (D) compreende uma camada absorvente e drenável que é posicionada para estar em contato com a pele de um usuário, em que a segunda camada (B) e a terceira camada (C) são laminadas a quente uma com a outra, e a primeira camada (A) e a quarta camada (D) são conectadas uma à outra por meio de costura e a quarta camada (D) contém um padrão de malha ou tecido que inclui a) condutos que facilitam a passagem mecânica do líquido e b) uma textura tridimensional.
2. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que a camada (A) de material de acabamento externo compreende um material que é selecionado do grupo compreendendo algodão, modal, bambu, viscose, poliéster, microfibra, nylon, incluindo combinações com elastano e spandex.
3. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que o material natural ou sintético possui peso entre 60 e 350 g/m2.
4. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que o material natural ou sintético compreende um material que é selecionado do grupo compreendendo algodão, poliéster, bambu, viscose, tinsel, modal e nylon.
5. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que o material natural ou sintético compreende uma estrutura que é selecionada a partir de malha, tecido trançado, fleece, felpa ou microfibra.
6. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que a camada (B) de material natural ou sintético é tratada quimicamente com um produto antimicrobiano contendo íons de prata.
7. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que a camada impermeável (C) possui espessura de 0,015-0,020mm.
8. Forro multicamada, de acordo com a reivindicação 1, caracterizado pelo fato de que a quarta camada (D) compreende uma primeira subcamada (D1) e uma segunda subcamada (D2), a primeira subcamada (D1) está posicionada interiormente à segunda subcamada (D2) e a segunda subcamada (D2) está posicionada entre a terceira camada (C) e a primeira subcamada (D1).
9. Forro multicamada, de acordo com a reivindicação 8, caracterizado pelo fato de que a primeira subcamada (D1) é tricotada ou tecida e compreende até 51% de modal, viscose, bambu, carbono ou algodão com 90- 300 g/m2.
10. Forro multicamada para vestuário, de acordo com a reivindicação 8, caracterizado pelo fato de que a segunda subcamada (D2) compreende pelo menos 90% de poliéster ou microfibra com fibra de rápida absorção e secagem e tem um peso entre 100 e 300 g/m2.
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CN201880053024.XA CN111032328A (zh) 2017-08-22 2018-08-21 用于服装的多层衬里
PCT/BR2018/050295 WO2019036783A1 (pt) 2017-08-22 2018-08-21 Forro multicamada de vestuário
UY0001037853A UY37853A (es) 2017-08-22 2018-08-21 Forro multicapa para prendas de vestir
CA3073436A CA3073436C (en) 2017-08-22 2018-08-21 Multi-layer garment lining
US16/496,231 US11357269B2 (en) 2017-08-22 2018-08-21 Multilayer lining for clothing
EP18848333.3A EP3674074A4 (en) 2017-08-22 2018-08-21 MULTI-LAYER APPLIQUE FOR CLOTHING
ARP180102384A AR112743A1 (es) 2017-08-22 2018-08-22 Forro multicapa para prendas de vestir
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BR102017017992A2 (pt) 2019-03-19
CN111032328A (zh) 2020-04-17
AR112743A1 (es) 2019-12-04
CA3073436A1 (en) 2019-02-28
EP3674074A4 (en) 2021-05-26
CA3073436C (en) 2024-01-09
WO2019036783A1 (pt) 2019-02-28
US20200170309A1 (en) 2020-06-04
US11357269B2 (en) 2022-06-14
ZA202001422B (en) 2022-06-29
UY37853A (es) 2019-03-29

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