Spring core for mattress, has spring elements e.g. pocketed springs, arranged in series and fixed to each other at sides along respective directions, where one of directions deviate from other direction

摘要

The core (1) has spring elements (3, 3', 3'', 6, 6', 6'') e.g. pocketed springs, arranged in series and fixed to each other at sides along respective directions, where one of directions deviate from other direction. A layer (5) on certain spring elements (6, 6', 6'') is arranged over another layer (2) on other spring elements (3, 3', 3''), where height of the latter layer is smaller than or equal to height of the former layer that includes zones with the former spring elements with different hardness.