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Hollow member for filling concrete

A hollow component and the same technology, which are applied to building components, on-site preparation of building components, building construction, etc., can solve the problem of large space occupation, high transportation cost, and increased production cost of pot-shaped formwork components. Cast-in-place reinforced concrete Hollow slab construction cost and other issues

Inactive Publication Date: 2007-09-05
湖南邱则有专利战略策划有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Equally, this pot-shaped formwork member, as an integral member, also takes up a lot of space during transportation, the quantity of each transportation is small, and the transportation cost is high, which undoubtedly increases the production cost of the basin-shaped formwork member and the cast-in-place The construction cost of the reinforced concrete hollow slab, therefore, develops a kind of new-type hollow member that fills concrete and has been urgently needed

Method used

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  • Hollow member for filling concrete
  • Hollow member for filling concrete
  • Hollow member for filling concrete

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Embodiment Construction

[0069] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0070] In the present invention, as shown in the drawings, the hollow member 1 is composed of at least five surfaces, and is characterized in that at least two panels can be folded together to form a stack, and an open hollow member is formed when opened. As shown in Fig. 1a, the hollow member 1 is composed of five sides, and the plurality of panels are folded together to form a laminate, and when opened, an open hollow member as shown in Fig. 1b is formed.

[0071] The invention is also characterized in that the same panel can be folded into two or three panels. As shown in Figure 3a, the same panel can be folded into three panels, and Figure 3b shows a schematic diagram of the opening process of Figure 3a. Figure 3c shows the open hollow member of Figure 3a formed when opened.

[0072] The invention is also characterized in that at least three panel...

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Abstract

A hollow member for filling concrete is made up of five sides, at least two panels are foldable into laminated layer; they form into enclosed hollow member while they are opened. It's simple, convenient and cheap, it saves transportation space; it has better transportation efficiency and less transportation loss. It can be used for cast-in-situ reinforced concrete or pre-stressed reinforced concrete hollow plate, hollow building roof, basic baseboard, walls and bridge.

Description

(1) Technical field [0001] The invention relates to a hollow member for concrete filling. (2) Background technology [0002] At present, in the prior art, the hole-forming member of the cast-in-place reinforced concrete hollow slab is a permanent mandrel, such as paper tubes, plastic tubes, metal bellows, hollow form shells, and lightweight materials for mandrels. These tubular mandrels or hollow components are mainly considered to evacuate the concrete and reduce the weight of the hollow slab. For example, the patent No. ZL99249798.1, which the applicant applied for on November 29, 1999, is a utility model patent named "fiber-reinforced thin-walled member for reinforced concrete filling", which discloses a thin-walled formwork member, including an upper plate, The surrounding side walls, the lower bottom, and the upper plate, the surrounding side walls and the lower bottom form a polyhedral cavity. Another example is that the application number applied by the applicant on...

Claims

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Application Information

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IPC IPC(8): E04C1/00E04G15/06E04B5/16E04B5/36
Inventor 邱则有
Owner 湖南邱则有专利战略策划有限公司