Static structures (e.g. – buildings) – Machine or implement
Patent
1979-07-31
1981-05-26
Friedman, Carl D.
Static structures (e.g., buildings)
Machine or implement
52744, E04D 1500
Patent
active
042690145
ABSTRACT:
A device is disclosed which fastens and retains a bonding and sealing device in a drilled hole in construction parts or in buildings by forcing injection material, such as snythetic resins into cracks and flaws present on the construction parts or on the building component. A sealing bushing encases a portion of a sleeve. The sleeve is expanded from its inside thereby sealingly clamping the sealing bushing between the walls of the drilled hole and the encased portion of the sleeve.
REFERENCES:
patent: 1883196 (1932-10-01), Wertz
patent: 3492827 (1970-02-01), Stevens
patent: 3572956 (1971-03-01), Liscum
patent: 3986536 (1976-10-01), Janson
patent: 4103498 (1978-08-01), Steinborn et al.
patent: 4120128 (1978-10-01), Pauls
Friedman Carl D.
IPA Bauchemie GmbH
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