The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 1979
Filed:
Jul. 29, 1977
Hans-Peter Schabert, Erlangen, DE;
Erich Strickroth, Erlangen, DE;
Kraftwerk Union Aktiengesellschaft, Mulheim, DE;
Abstract
Nuclear reactor installation in underground construction having a tunnel extending from a location at the surface of the earth to an underground concrete tank includes an auxiliary tunnel extending from a branching location of the first-mentioned tunnel to a location at the surface of the earth different than that from which the first-mentioned tunnel extends, the auxiliary tunnel having a cross section smaller than that of the first-mentioned tunnel and having means disposed therein for blocking the auxiliary tunnel, the blocking means being openable during operation of the nuclear reactor installation, the first-mentioned tunnel being substantially rectilinear and being continuously closed during operation of the nuclear reactor installation between the branching location thereof and the location at the surface of the earth from which the first-mentioned tunnel extends.