Apparatus for making carpet underlay

Details Apparatus for making carpet underlay Apparatus for making carpet underlay

1975-06-26

1976-06-08

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Means casting fluent stock operably associated with shaping...

425385, B29H 300

Patent

active

039618757

ABSTRACT:
A carpet underlay and an apparatus for and method of making same is provided wherein the carpet underlay is comprised of a sponge rubber body having a load-carrying surface defined by a plurality of cooperating closed-area coplanar portions which define the major part of the area of a plan view of such body.

REFERENCES:
patent: 2575813 (1951-11-01), Hutchins
patent: 3536014 (1970-10-01), Kuchuris
patent: 3649151 (1972-03-01), Matthews

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