METHOD AND DEVICE FOR WATERPROOFING GAP BETWEEN HOLLOW CYLINDRICAL MEMBERS OF BUILDING STRUCTURE DURING EXPLOITATION THEREOF Russian patent published in 2004 - IPC

Abstract RU 2230862 C1

FIELD: building industry, particularly for performing waterproofing during structure exploitation.

SUBSTANCE: device for waterproofing gap between hollow cylindrical members having different diameters and arranged at least partly one inside another during exploitation and maintenance thereof has shell of polymeric material, for instance of rubber reinforced by elastic fabric. Shell surrounds cylindrical members and has the shape of truncated cone with overlapped ends. Shell is created by bending member formed as circle sector. Member perimeter is bounded at least along part thereof by congruent circular arcs and elements of truncated cone. Shell length is not less than 5 perimeters of cylindrical member.

EFFECT: increased operational reliability under interruption of alignment between cylindrical members and under change of relative cylindrical member lengths as a result of temperature gradient from -40^oC to +50^oC in different climatic zones or under axial displacement of cylindrical members during mounting or exploitation thereof.

7 cl, 7 dwg

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RU 2 230 862 C1

Authors

Kolganov V.I.

Bekkuzhev N.G.

Mikhaleva N.V.

Dates

2004-06-20—Published

2003-04-24—Filed