Injection anchors for placement in pre-drilled holes

Details Injection anchors for placement in pre-drilled holes Injection anchors for placement in pre-drilled holes

1987-03-16

1988-09-27

Friedman, Carl D.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405259, 52704, E21D 2002, E04B 138

Patent

active

047737948

ABSTRACT:
An injection anchor designated for masonry or the like consists of a tube (1) closed at its rear end and of an elastically expandable jacket (2) that surrounds the tube.
In order produce an injection anchor as a reasonably priced mass production article, the tube (1) is provided with a number of diametrically opposing, rounded-off indentations (9, 10) and the elastic jacket (2) is designed as a hose, which extends over the entire length of the tube (1), the ends of the hose being tucked into the tube ends and clamped solidly to the tube (1) by means of rivet-like fasteners (5, 6).

REFERENCES:
patent: 1564947 (1925-12-01), Copeman
patent: 3108404 (1963-10-01), Lamb
patent: 3395625 (1968-08-01), Blanchette et al.
patent: 4001989 (1977-01-01), Fischer
patent: 4096672 (1978-06-01), Fischer et al.
patent: 4253781 (1981-03-01), Fischer et al.
patent: 4322183 (1982-03-01), Ciavatta
patent: 4413929 (1983-11-01), Kigawa et al.
patent: 4461600 (1984-07-01), Norkus et al.
patent: 4487528 (1984-12-01), Skoberg

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