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:
Jan. 13, 1981
Filed:
May. 17, 1978
Applicant:
Inventors:
Frank Baumgart, Ratingen, DE;
Joachim Jorde, Essen, DE;
Karl Opitz, Essen, DE;
Heinrich Rywalski, Essen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ; F16L / ; F16L / ;
U.S. Cl.
CPC ...
220-3 ; 138142 ; 138143 ; 138147 ; 138151 ; 220468 ; 228184 ;
Abstract
A multi-layer container which includes a container forming a body of rotation in a tubular or at least partially spherical or conical shape, and having a plurality of layers of weldable sheet metal therewith. The first one of these layers is wrapped directly upon and around the container and the other layers are wrapped around the first layer and one upon the other. Each layer includes at least one joint extending in the longitudinal direction of the container; at least some are only partially filled with welded material.