(19)
(11) EP 4 233 623 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
20.09.2023 Bulletin 2023/38

(43) Date of publication A2:
30.08.2023 Bulletin 2023/35

(21) Application number: 23177674.1

(22) Date of filing: 10.12.2018
(51) International Patent Classification (IPC): 
A43B 7/12(2006.01)
A43B 23/04(2006.01)
A43D 3/02(2006.01)
A43B 5/04(2006.01)
 A43B 23/02(2006.01)
A43B 23/07(2006.01)
A43D 3/08(2006.01)
A43B 19/00(2006.01)
(52) Cooperative Patent Classification (CPC):
A43B 5/0405; A43B 7/125; A43B 19/00; A43B 23/022; A43B 23/0235; A43B 23/026; A43B 23/042; A43B 23/07; A43D 3/02; A43D 3/024; A43D 3/025; A43D 3/08
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(62) Application number of the earlier application in accordance with Art. 76 EPC:
18816049.3 / 3893685

(71) Applicant: W. L. Gore & Associates GmbH
85640 Putzbrunn (DE)

(72) Inventors:
  • HEIDENFELDER, Jens
    85604 Zorneding (DE)
  • KOBAISY ALI, Amr Mahmoud Hamdy
    81541 Munich (DE)
  • Hauer, Stefan
    83707 Bad Wiessee (DE)
  • MUTH, Maximilian
    82008 Unterhaching (DE)

(74) Representative: Schmitt-Nilson Schraud Waibel Wohlfrom Patentanwälte Partnerschaft mbB 
Pelkovenstraße 143
80992 München
80992 München (DE)

   


(54) METHOD FOR PERMANENTLY WATERPROOFING FOOTWEAR


(57) A method for waterproofing footwear (2), the footwear (2) including an upper assembly (4) having an outer construction (6) and a sole (8), includes providing a waterproof, breathable bootie (10) having a waterproof, breathable laminate construction, the waterproof, breathable laminate construction comprising a functional layer (54) and at least one textile layer (56, 58); inserting the waterproof, breathable bootie (10) into an inner space (12) of the outer construction (6) and the sole (8), when the outer construction (6) and the sole (8) are in an assembled state; and fixing the waterproof, breathable bootie (10) in position in the inner space (12) of the outer construction (6) and the sole (8).







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Search report