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Producing process for container body with seamless continuous extruding plastic wind

A production process and no welding seam technology, which is applied in the production of the container body and the production process of the container body, can solve the problems of large consumption of raw materials, complicated production process, waste of raw materials, etc., and achieve the effect of saving raw materials

Inactive Publication Date: 2004-12-08
陈伟明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the gaps and discontinuities between the wrapping tapes made by this manufacturing process, the chemical medium in the container body will often leak and waste raw materials; at the same time, the manufacturing process is complicated and the consumption of raw materials is large.

Method used

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  • Producing process for container body with seamless continuous extruding plastic wind
  • Producing process for container body with seamless continuous extruding plastic wind
  • Producing process for container body with seamless continuous extruding plastic wind

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Embodiment Construction

[0015] see figure 1 , The raw material formula is: 90% of isotactic polypropylene resin, 9.5% of filler glass fiber, 0.1% of coupling agent, and 0.4% of other additives. After weighing, put them into the kneader and mix them separately. Under the condition of 170℃, send the fully kneaded powder into the extruder for mastication. The diameter of the extruded product is 5-6 mm, and it is drawn to the The granulator cuts it into pellets with a length of about 8 mm to form pellets for use; the container body made of the pellets has high strength and can withstand a temperature of up to 120°C. It should be noted that carbon fiber can also be used as the glass fiber, and the coupling agent is used to increase the bonding force between materials; the rest of the additives can be selected to add colorants, anti-ultraviolet agents, antioxidants, and anti-oxidants according to the needs of the outer layer of the container body. Mold etc. When the container body contains flammable orga...

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Abstract

A technology for making a seamless container by continuous extruding out and winding includes such steps as preparing raw material particles, continuous extruding out by large screw extruder to obtain the shaped plastic object, drawing it to the pressing roller of winder, winding it on a mould while pressing, and demoulding. Its advantages are no seam, high strength and high utilization rate of raw material (100%).

Description

technical field [0001] The invention relates to a manufacturing process of chemical equipment, in particular to a manufacturing process of a non-welded continuous extrusion plastic winding container body, which is mainly applicable to the production of container bodies such as reaction kettles, storage tanks, and tank trucks. Background technique [0002] In the prior art, almost all chemical equipment and containers need to be assembled into products by welding, and the weld seam is often the most prone to problems during the use of equipment and containers. In recent years, there is a manufacturing process in which plastic is used as the container body, and a discontinuous winding layer of the same material as the container body is welded to the outer wall of the container body. Due to the gaps and discontinuities between the wrapping tapes produced by this manufacturing process, the chemical medium in the container body often leaks and wastes raw materials; at the same ti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C63/06
Inventor 倪永泉陈伟明
Owner 陈伟明
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