FASTENING DEVICES FOR ATTACHMENT OF FASTENING SHEETS Russian patent published in 2005 - IPC

FIELD: equipment used for attachment of fastening sheets to one another and to floor.

SUBSTANCE: blind floor designed for forming of surface for laying of detachable decorative floor covering has plurality of fastening sheets, each comprising first upper surface substantially covered with detachable attachment means, plurality of fastening sheets arranged so as to substantially cover floor for forming of blind floor with upper surface. Blind floor has plurality of passages defined completely or partly in at least one sheet and oriented from blind floor upper surface to floor, passages having part made flush with blind floor upper surface and defining first supporting surface arranged lower than blind floor surface, plurality of fastening devices, each comprising second upper surface substantially covered with devices for detachable attachment means. Blind floor has plurality of fastening devices shaped to conform to passages for introducing into passages. Fastening devices have wider upper part for defining second supporting surface, plurality of fastening parts for insertion into passages so that second supporting surface faces first supporting surface, and at least several fastening devices attached to floor. Various versions of fastening sheets, assembly methods and construction of fastening devices are described. Fastening devices, which may be inserted into fastening sheet portion of reduced thickness are preferably used, said portion surrounding slot in fastening sheet.

EFFECT: increased efficiency by providing laying of fastening sheets for loose movement with respect to one another and, as a result, free expansion and shrinkage of modular sheets.

39 cl, 7 dwg