Composite anchor

Details Composite anchor Composite anchor

1994-12-08

1996-08-20

Friedman, Carl D.

Static structures (e.g., buildings)

Assembled in situ-type anchor or tie

E04B 138

Patent

active

055467253

ABSTRACT:
The composite anchoring device consists of an anchoring rod (7) and a cartridge (3) capable of being crushed by the anchoring rod (7). The inner container (5) extends over the length (1) of the cartridge (3) and advantageously includes a central section (8), end sections (10) at each end of the inner container and conical sections (9) connecting each end section (10) with the central section (8). The inner container sections are crushable in succession as the anchoring rod is driven in. The individual container sections (10,9,8) have different volumes and are designed with first breakpoints (11) and second breakpoints (9') of graded resistance so that they are crushed in succession from the ends of the inner container towards the middle starting with the first breakpoints (11) in the end sections (10), and release water held in the respective inner container sections to the surrounding hardenable bonding agent to provide a stronger fixing.

REFERENCES:
patent: 3108443 (1963-10-01), Schuermann et al.
patent: 3324663 (1967-06-01), McLean
patent: 3925996 (1975-12-01), Wiggill

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