Method of producing waterproof foam mattresses

Metal working – Upholstered article making – Method

Reexamination Certificate

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Details

C029S091700, C029S557000, C029S558000, C005S699000, C005S704000, C005S724000, C427S346000, C427S541000

Reexamination Certificate

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07065849

ABSTRACT:
Production process for waterproofed foam mattresses, starting from a foam material body (1) in which a plurality of passing through holes (2) are carried out in the bigger faces and some passing through holes (3) with a smaller diameter are carried out along the body (1), through which holes (3) some rods (4) are incorporated to be fastened on a supporting frame (5), and to spray the body (1) in this position with the waterproofing material, letting the latter drip off in a sloped position till the mentioned waterproofing material is gelled.

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