Integrated molding safety helmet and method for producing the same

A production method and safe technology, which can be applied to helmets, helmet caps, caps and other directions, can solve the problems of high production cost, uneven stress dispersion, increase the overall weight, etc., and achieve the effect of increasing material cost and significant safety effect.

Inactive Publication Date: 2009-07-22
王泽平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The manufacturing method of the above-mentioned motorcycle or race car safety helmet is mostly filled with polystyrene inside the outer helmet, that is, the polystyrene particles are formed into a shell-shaped inner helmet by heating and pressing, and then the polystyrene inner helmet is wrapped with electrical tape. Then cover the hard outer helmet, and cover the inner surface of the styrofoam inner helmet with soft cotton, so that the head does not come into contact with the rough styrofoam, and can protect the styrofoam from damage. The process is complicated, so

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0019] Example 1

[0020] The molded hard ABS outer helmet shell is set on the upper mold, and then the upper and lower molds are closed in sequence, and the mold is heated to 110°C, and the styrofoam pellets are injected and emitted in the inner cavity after the mold is closed. Soak and pressurize to 0.8-0.95Bar, complete the forming action of the inner helmet in 386 seconds, and release the mold after cooling with cold water for 10 seconds.

Example Embodiment

[0021] Example 2

[0022] The molded hard PC outer helmet shell is made on the upper mold, and then the upper and lower molds are closed in sequence, and the mold is heated to 110°C, and the styrofoam particles are injected into the inner cavity after the mold is closed. Foam, pressurize to 0.8-0.95Bar, complete the formation of the inner helmet in 386 seconds, and release it after cooling with cold water for 10 seconds.

Example Embodiment

[0023] Example 3

[0024] Set the formed hard carbon fiber composite outer helmet shell on the upper mold, and then close the upper and lower molds in sequence, and heat the mold to 110 ℃-360 ℃ to soften the composite outer helmet and press it to 1.2 Bar In order to discharge the excess resin in the composite outer helmet, the temperature is cooled down to 110°C, and the styrofoam particles are injected, foamed, and pressurized to 0.8-0.95 Bar in the inner cavity after the mold is closed, in a time of 386 seconds Finish the forming action of the inner helmet, cool down with cold water for 10 seconds, and then demold.

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PUM

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Abstract

The invention provides an integral safety helmet. A precasting hard outer helmet is directly injected with poly-long particles to form a soft inner helmet through heating and pressurizing, and both helmets are integrally formed and closely and firmly jointed into the safety helmet without gap. The making steps of the integral safety helmet comprise: sheathing a formed shell of the hard outer helmet onto an upper mould; matching the upper mould and a lower mould according to the sequence, heating the moulds to soften the outer helmet made of compound materials, pressurizing the outer helmet to discharge redundant resin in the outer helmet made of the compound materials, ejecting, foaming, pressurizing and cooling the poly-long particles in an inner concave cavity of the matched moulds after reducing the temperature and cooling, and then demoulding to make the soft inner helmet integrally formed in the hard outer helmet.

Description

technical field [0001] The invention relates to an integrally formed helmet and a manufacturing method thereof, in particular to a motorcycle or racing car safety helmet and a manufacturing method thereof. Background technique [0002] The structure of safety helmets for motorcycles or racing cars is similar at present, and its outer helmet is a harder shell (mostly composite materials such as PC, ABS, carbon fiber, glass fiber, Kung Fu Dragon). A light and soft material layer is filled inside the hard shell to form the inner helmet in contact with the head. When a collision occurs, the lightweight and soft inner helmet will act as a shock-absorbing cushion. [0003] The manufacturing method of the above-mentioned motorcycle or race car safety helmet is mostly filled with polystyrene inside the outer helmet, that is, the polystyrene particles are formed into a shell-shaped inner helmet by heating and pressing, and then the polystyrene inner helmet is wrapped with electrical...

Claims

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Application Information

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IPC IPC(8): A42B3/00A42C2/00B29C44/00
Inventor 王泽平
Owner 王泽平
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