Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1988-12-27
1990-09-25
Epstein, Henry F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
220456, 220457, 220458, 428 344, 428 345, 428 346, 428149, 428195, 428209, 428210, 428212, 428213, 428220, 428324, 428363, 428406, 428426, 428428, 428432, 428433, 428469, B32B 1904, B32B 1706
Patent
active
049592564
ABSTRACT:
A cooking utensil having an enamel coating of a first enamel layer (7) covered in the zone of the bottom (1) of the utensil with a second enamel layer (3) which is in turn covered with a non-continuous third enamel layer (4) constituting a decoration and applied by screen process after drying of the first layer, these three layers (7, 3, 4) being obtained from an enamel frit and being fired simultaneously.
The two enamel layers (3, 4) contain glass beads (5, 6), at least a certain number of which have a diameter of greater value than the thickness of these enamel layers and project from the surface of the layers, a certain number of beads (6) of the non-continuous third layer (4) being applied on beads (5) of the second layer (3). The second layer also contains heat-conducting flakes.
The enamel coating offers enhanced resistance to wear and high thermal conductivity.
REFERENCES:
patent: 3497376 (1970-02-01), Weiser
patent: 3627560 (1969-01-01), Morgan
patent: 3788513 (1974-01-01), Racz
patent: 3922458 (1975-11-01), Lynch
patent: 4043824 (1977-08-01), Wager
patent: 4250215 (1982-02-01), Mayer
patent: 4361622 (1982-11-01), Theisen et al.
patent: 4591530 (1986-05-01), Lui
patent: 4704328 (1987-11-01), Imao et al.
"Abrasion by Lamellar Solid Lubricants", Ceramics, vol. 67, No. 4, July, 1967, 14535y, by J. Lancaster et al., page 1399.
Epstein Henry F.
Seb S.A.
Turner Archene A.
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