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.:

US 9512628 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 06, 2016

Filed:

Jan. 30, 2015
Applicant:

Putzmeister Engineering Gmbh, Aichtal, DE;

Inventors:

Ciprian David, Böblingen, DE;

Michael Neubert, Aichtal, DE;

Peter Hasel, Filderstadt, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04G 21/04 (2006.01);
U.S. Cl.
CPC ...
E04G 21/0445 (2013.01); E04G 21/0427 (2013.01); E04G 21/0436 (2013.01);
Abstract

A concrete dispensing boom for stationary and mobile concrete pumps has a plurality of boom arms, connected to one another at joints, and a concrete conveying line consisting of a plurality of pipe segments preferably connected to one another in an articulated manner via pipe bends and rotary couplings. Said pipe segments run along the individual boom arms and are attached to these boom arms. At least one of the boom arms has a hollow chamber profile which has at least two hollow chambers separated from one another by a separating wall, at least one of which chambers is a closed chamber and one is open at the periphery. The pipe segment allocated to the boom arm concerned is disposed on the opening side outside, partially inside or inside the open hollow chamber.


Find Patent Forward Citations

David, Ciprian. (2016). Concrete dispensing boom for concrete pumps (U.S. Patent No. 9512628). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9512628

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