Inner springs for use in furniture and bedding and a...

Details Inner springs for use in furniture and bedding and a... Inner springs for use in furniture and bedding and a...

A - Human Necessities

47

C

A47C 27/06 (2006.01) B21F 33/02 (2006.01) B68G 9/00 (2006.01)

Patent

CA 2258713

An inner spring, for use in furniture and bedding, comprising coil springs which are cased, with their axes arranged in parallel, in cylindrical spring casings having a predetermined number of spring casing portions continuously arranged in parallel, is characterized by that at least a part of the coil springs cased in the spring casing portions are set at different repulsion by varying their pitches and are set in place in the cylindrical spring casings to form a row of inner springs.

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