DOUBLE-SPRING MATTRESS AND METHOD OF ITS MANUFACTURE Russian patent published in 2003 - IPC

Abstract RU 2217370 C2

FIELD: furniture. SUBSTANCE: invention relates to spring mattress with two combined layers of springs enclosed in cases and to method of manufacture of such mattress. Springs of upper layer are arranged practically directly over corresponding springs of lower layer and cases are interconnected so that upper springs of upper layer act onto springs of lower layer at least in some degree, irrespective of neighbor springs. EFFECT: improved comfort in use, enlarged operating capabilities. 14 cl, 3 dwg

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RU 2 217 370 C2

Authors

Sherna Nil'S Ehrik

Dates

2003-11-27—Published

1998-12-10—Filed