Method and apparatus for manufacturing innerspring assemblies

Details Method and apparatus for manufacturing innerspring assemblies Method and apparatus for manufacturing innerspring assemblies

2007-05-01

2007-05-01

Ward, Jessica (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C156S539000, C156S556000, C156S578000, C005S716000, C005S720000, C118S220000, C118S225000, C118S255000, C118S313000, C118S315000

Reexamination Certificate

active

09936457

ABSTRACT:
A method for the manufacture of an innerspring assembly, suitable for a mattress, cushion, or the like, is disclosed. In one aspect, the method involves the steps of: positioning a first string of pocketed coil springs in juxtaposition with a plurality of adhesive applicators disposed in mutually fixed relation on an axis parallel to a longitudinal axis of the first string; applying adhesive from the adhesive applicators to the first string of pocketed coil springs; and bringing the first string of pocketed coil springs into adhesive contact with a second string of pocketed coil springs. An apparatus for carrying out the method, and innerspring assemblies produced by the method, are also disclosed.

REFERENCES:
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patent: 5637178 (1997-06-01), Suenens et al.
patent: 5792309 (1998-08-01), Eto
patent: 6143122 (2000-11-01), Mossbeck et al.
patent: 6159319 (2000-12-01), Mossbeck
patent: 421495 (1991-04-01), None
patent: WO 96/07345 (1996-03-01), None
patent: WO 97/37569 (1997-10-01), None
patent: WO 02/44076 (2002-06-01), None
patent: WO 2004/014783 (2004-02-01), None

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