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Method for manufacturing reserved concrete hole of floor and mold

A technology of reserving openings and manufacturing methods, which is applied to the preparation of formwork/formwork/work frame, building components on site, construction, etc. It can solve the problems of easy positioning deviation, pollute the environment, waste materials, etc., and achieve convenient operation , Easy molding, material saving effect

Inactive Publication Date: 2012-07-18
吴强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The positioning of the mold is realized by the combination of nails and iron wires, and the positioning is easy to shift
The second is that the production of the mold and the operation of taking the mold are cumbersome and labor-intensive
The third is that the mold material cannot be taken out intact after the concrete solidifies and is discarded. It is only used once, which not only wastes materials, but also pollutes the environment.

Method used

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  • Method for manufacturing reserved concrete hole of floor and mold
  • Method for manufacturing reserved concrete hole of floor and mold
  • Method for manufacturing reserved concrete hole of floor and mold

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Embodiment Construction

[0015] The invention discloses a method for making a reserved hole in floor concrete and a mold, which is composed of a mold cylinder 1, a cover plate 2, a support plate 3, and positioning nails 4. Take the preparation of a concrete hole with a minimum diameter of 143 mm as an example. PE mold cylinder 1, the thickness of the pipe wall is 5mm, and the height is 150mm. The mold cylinder runs through the slit along the vertical direction, and the surface of the slit is smooth. The angle between the line connecting the tangent points of the inner and outer walls of the slit and the extension line of the diameter of the inner wall tangent point 11b is 75 degrees. The diameter of the inner edge of the cover plate 2 is 136 mm, and the outer edge of the support plate is 133 mm. Lifting beams are arranged on the cover plate and the baffle. The positioning iron nail has a nut on its head, the length of the nail is 200mm, the diameter is 6mm, and the tip of the nail is angular.

[001...

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Abstract

The invention relates to a method for manufacturing a reserved concrete hole of a floor and a mold. The mold comprises a PE (polyethylene) mold barrel, a cover plate, a supporting plate and a positioning iron nail. During usage, the iron nail penetrates through circle centers of the cover plate and the supporting plate, the mold barrel is supported by the inner edge of the cover plate and the outer edge of the supporting plate, the mold barrel is nailed on a formwork of the floor by the iron nail, and then concrete pouring can be realized. When the mold is detached, the iron nail is taken out in a rotating manner at first, then the cover plate and the supporting plate are lifted up, and finally the mold is taken out. The mold has the advantages of simple structure, accurate positioning, convenience in operation, and reusability. In addition, the mold saves materials and working hours, and is suitable for batch production.

Description

technical field [0001] The invention relates to a building mold, in particular to a method for making a reserved opening for floor concrete and a mold that is accurate in positioning, reusable and convenient in operation. Background technique [0002] Known storey concrete reserves hole making method and mould, adopts PVC pipe to do formwork mostly, seals and fixes mold with sealant, nail and iron wire. There are deficiencies in the existing devices and methods. The one is that iron wires and nails need to be cut off and the formwork is crushed when taking the mold. The positioning of the mold is realized by the combination of nails and iron wires, and the positioning is easy to shift. The 2nd, the making of mold and mold taking operation are complex and labor-intensive. The 3rd, mold material can't take out intact after concrete solidifies and discards, only one-time use, not only waste material, and pollute environment. Contents of the invention [0003] The object of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G15/06
Inventor 吴强
Owner 吴强
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