Patent ID: 7708917
Filing Date: 2010-05-04
Classification: B28B

Abstract:
1. A method for casting at least two batches of (1) multiple beams with determined length that may vary between batches or (2) a hollow core slab with a determined length that may vary between batches, said slab having more than one longitudinal hollow core, the method comprising: (a) using a slipforming apparatus movable with respect to a bed, said apparatus comprising: (b) preparing a first batch by: (c) modifying the forming members by detaching only one or more extension parts of the forming members and attaching one or more extension parts with a different size, (d) preparing a second batch by: wherein the second batch has a difference in the height(s) of the hollow cores or the height(s) and/or form of the beams resulting from the changed one or more extension parts of the forming members.