Expansion material holder for in-situ casting device

Abstract

1. The name of the design product: expansion material holder of in-situ casting device. 2. The use of the design product: the whole of the design product is used as an in-situ casting or pouring device for forming a space for pipeline passage in advance when casting or pouring cement, concrete, etc.; the part of the product is used for holding or fixing the expansion material inside the in-situ casting device. 3. The design points of the design product: in shape. 4. The picture or photo best indicating the design points: Fig. 1. 5. Other circumstances needing explanation Other explanations: the product design does not request protection for the part indicated by the dotted line.

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