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:
May. 04, 2010
Filed:
Oct. 18, 2004
Lassi Antero Järvinen, Valkeakoski, FI;
Aimo Tapio Seppanen, Sääksmäki, FI;
Lassi Antero Järvinen, Valkeakoski, FI;
Aimo Tapio Seppanen, Sääksmäki, FI;
Elematic Oy AB, Toijala, FI;
Abstract
A method and apparatus for casting concrete elements with varying, determined length, equipped with one or with a plurality of longitudinal hollow cores, by means of a slipforming apparatus. The apparatus is movable with respect to the bed (), said apparatus comprising forming members () for forming hollow cores. The mass is fed in the first step to the portion of the slab below the hollow cores, and in the second step the hollow-core forming members being brought onto the said portion of the slab and mass is being fed between the forming members and onto them. The forming member () for forming a hollow core comprises an attachable extension part (). The height of a hollow core is changed by changing the extension part of the hollow core forming member.