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08-25-2010

Internal ventilation system applicable to footwear with sole made through direct injection or pouring onto the upper

Internal ventilation system that can be applied to footwear with sole made through the injection or pouring of plastic material directly onto the upper characterized by a type of upper 2, a ventilation chamber 4 composed of spongy, open-cell material isolated with non-absorbing material on its side that touches the sole, a sole 1 obtained through the injection or pouring of plastic material directly onto the upper in such way as to compose an unbroken whole with the shoe itself, a non-return valve for the expulsion of the air inside the shoe, inserted either at the side 5 or the base 5a ) of the shoe, and an insole 3 with ventilation holes 6. To greater advantage, the expulsion valve 5/5 a ) can be prepared and provided in the mould for the sole or inserted subsequently in the sole after moulding by injection or pouring with adequate housing for the valve in mind.

Document: EP2220954A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 10-02-2007
Publication date: 08-25-2010
Applicant: CALZATURIFICIO ORION S P A, IT
Inventor: MENEGHIN MARIA ANTONIETTA, IT


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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