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(12) Patent: | (11) CA 1153576 |
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(21) Application Number: | 372783 |
(54) English Title: | PROCESS FOR MAKING A THERMAL INSULATION BUILDING BLOCK |
(54) French Title: | PROCEDE DE FABRICATION DE BLOCS DE CONSTRUCTION, THERMO-ISOLANTS |
Status: | Expired |
(52) Canadian Patent Classification (CPC): |
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(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : | |
(74) Agent: | GOUDREAU GAGE DUBUC |
(74) Associate agent: | |
(45) Issued: | 1983-09-13 |
(22) Filed Date: | 1981-03-11 |
Availability of licence: | N/A |
(25) Language of filing: | English |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | None |
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ABSTRACT OF THE DISCLOSURE
The disclosure herein describes a process for
making a thermal insulation load or non-load supporting
building block for wall construction which comprises the
steps of first pouring a layer of a wet mixture
consisting of concrete containing expanded polystyrene
beads or other beads of similar cellular lightweight
insulating material, laying a board of expanded poly-
styrene over the wet mixture and then pouring over the
board a second layer of a similar wet mixture of concrete
containing expanded polystyrene beads or the like; the
board of expanded polystyrene is cut from a block of
expanded polystyrene so that the opposite cut surfaces
may define small cavities into which the wet cement
impregnates so that, once the concrete has set, a solid
bond is formed between the concrete layers and the board
of polystyrene.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
Sorry, the representative drawing for patent document number 1153576 was not found.
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Title | Date |
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Forecasted Issue Date | 1983-09-13 |
(22) Filed | 1981-03-11 |
(45) Issued | 1983-09-13 |
Expired | 2000-09-13 |
There is no abandonment history.
Fee Type | Anniversary Year | Due Date | Amount Paid | Paid Date |
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Application Fee | $0.00 | 1981-03-11 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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CANADA CEMENT LAFARGE LTD. |
Past Owners on Record |
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None |