FIELD: mechanical engineering. SUBSTANCE: method of making spiral springs placed in pockets for use in constructions with inner springs for mattresses comes to forming spiral spring from wire, treatment of spiral spring to reduced stresses, placing the springs in pockets to form extended rows of spiral springs fitted in pockets and connecting indicated extended rows for creating constructions with inner springs. Proposed method is implemented by special device for forming pocket fitting-in spiral springs. Description of invention depicts construction of pocket fitted-in spiral springs for use in constructions with inner springs. EFFECT: increased life and enhanced convenience in use of ready article. 37 cl, 10 dwg
Authors
Dates
1999-05-20—Published
1994-12-30—Filed