Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Patent
1980-12-31
1983-06-14
Epstein, Henry F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
52595, 1563045, E04B 218, E04C 110
Patent
active
043883613
ABSTRACT:
An insulating element for use in building walls comprises two rigid slabs preferably of brick, and interposed insulating material preferably of expanded polyurethane. The interposed insulation projects out along the periphery of the slabs and is embedded in a complementary recessed part in the insulation of the adjacent element, leaving an interval between the slabs which is filled with mortar in order to unite the slabs. Adjacent elements are pressed against each other during installation in order to reciprocally compress the insulation along the separation plane. The slabs are fed continuously, on edge, in spaced relation, between superposed conveyor belts, thereby to form a tunnel into which the polyurethane is fed and fills by expansion. The slabs are then cut apart by grinding and the insulation is cut along the midline of the slot thus produced, after which the elements are packaged.
REFERENCES:
patent: 1156753 (1915-10-01), Carey
patent: 1282090 (1918-10-01), Lemme
patent: 1705338 (1929-03-01), Playford
patent: 1995264 (1935-03-01), Mason
patent: 3386218 (1968-06-01), Scott
patent: 3715417 (1973-02-01), Pope
patent: 3740909 (1973-06-01), Stinnes
patent: 4238544 (1980-12-01), Mullet
patent: 4299069 (1981-11-01), Neumann
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