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US 4,055,928 AGranted
Casing brick, and a method and apparatus for making the same
OwnerOtto Magerleinventor
Life of this patent
Estimating the term…
Abstract
A casing brick comprising a hollow insulating insert, and a two-part concrete shell which substantially encloses the insert, two projections extending from the insert and positioned between the two parts of the shell and interlocking projections and grooves for connecting the shell and the insert together.
Claims8
A casing brick, comprising:
- a hollow and unitary insulating insert;
- a concrete shell consisting of two separate parts having a spacing therebetween and substantially enclosing said insert, said two separate parts being free of contact over the entire periphery thereof, said insert having two projections thereon received in the spacing between said two parts of said shell;
- and
- interlocking means for connecting each shell part to said insert.
1 more element
Dependencies are inferred from the claim text.