作者: Keller Gottfried
DOI:
关键词: Mold 、 Block (telecommunications) 、 Core (manufacturing) 、 Materials science 、 Layer (electronics) 、 Welding 、 Composite material
摘要: Core element (1) for use in a mold (7) the production of hollow block moldings, especially concrete, consists core holder (2) and at least one (5) constructed from support plate (3, 3a, 3b) welded onto panel (4) fixed on forming outer sleeve core. The is neutral zone which no distortion occurs during welding. Independent claims are also included for: Alternative element; Production element. Preferred Features: coated with plastic layer.