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2 is an end view of the covering shown in FIG. 1 shows a plan of a single section of the concrete covering This invention relates generally to devices used for the protection against erosion of various types of soils which are located adjacent to flowing waters or which are exposed to wave action or heavy rains, and particularly to concrete coverings for such soils.mats, strips mainly consisting of stone, concrete or similar stony material E02B3/123- Flexible prefabricated covering elements, e.g.E02B3/122- Flexible prefabricated covering elements, e.g.E02B3/12- Revetment of banks, dams, watercourses, or the like, e.g.E02B3/04- Structures or apparatus for, or methods of, protecting banks, coasts, or harbours.E02B3/00- Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites Sealings or joints for engineering works in general.E02- HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING.Assignors: CROW ROBERT Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links reassignment CHASE, CHARLES ASSIGNMENT OF ASSIGNORS INTEREST. Assigned to CHASE, CHARLES, ARVAI LOUIS, JR. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Crow Robert Q, Hansen David H filed Critical Crow Robert Q Priority to US06/177,849 priority Critical patent/US4375928A/en Application granted granted Critical Publication of US4375928A publication Critical patent/US4375928A/en Assigned to CROW, ROBERT reassignment CROW, ROBERT ASSIGNMENT OF ASSIGNORS INTEREST. Original Assignee Crow Robert Q Hansen David H Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Hansen Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/177,849 Inventor Robert Q. Google Patents Flexible concrete for soil erosion preventionÄownload PDF Info Publication number US4375928A US4375928A US06/177,849 US17784980A US4375928A US 4375928 A US4375928 A US 4375928A US 17784980 A US17784980 A US 17784980A US 4375928 A US4375928 A US 4375928A Authority US United States Prior art keywords blocks concrete sections soil cable Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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Google Patents US4375928A - Flexible concrete for soil erosion prevention US4375928A - Flexible concrete for soil erosion prevention