Mattress apparatus and method for manufacturing the same

Details Mattress apparatus and method for manufacturing the same Mattress apparatus and method for manufacturing the same

1993-10-06

1995-10-31

Trettel, Michael F.

Beds

Bedclothing

And means to facilitate changing thereof

5978, 29 911, A47C 27045

Patent

active

054617375

ABSTRACT:
A pad is arranged on the upper and lower sides of a spring unit to provide a laminate structure. The laminate structure is covered with an outer cover body comprising top and bottom layers covering the corresponding pads and a side layer covering the laminate structure. A joining member of heat-shrinkable synthetic resin has one end width portion joined to the inner surfaces of the whole marginal edge portions of the top and bottom layers. The other end width portion of the joining member covers the corresponding outer marginal edge portions of the pads. The joining member, upon being heat shrunk, have another end width portion brought into firm engagement with the spring unit so that the pads and outer cover body are firmly held relative to the spring unit.

REFERENCES:
patent: 3040473 (1962-06-01), Wetzler et al.
patent: 3142073 (1964-07-01), Stern
patent: 3950800 (1976-04-01), Garshfield
patent: 4075721 (1978-02-01), Autrey
patent: 4463466 (1984-08-01), May et al.
patent: 4476595 (1984-10-01), Ikeda
patent: 4788731 (1988-12-01), Yokoi et al.

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