Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1977-07-08
1979-04-03
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
5344, 272109, 428310, 428315, B32B 326
Patent
active
041478282
ABSTRACT:
A lightweight exercise and tumbling mat comprises a core composed of a closed-cell foamed synthetic material with soft elastic properties. A textile sheet and/or film is disposed on the top surface of the core and a nonskid sheeting of rubber or synthetic material is disposed on the underside of the core.
Heckel Klaus
Klaffke Friedemann
Umann Walter
Firma Carl Freudenberg
Van Balen William J.
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