US 2024/0306755 A1 · OPTIMIZED PLASTIC HELMET SHELL STRUCTURE

Abstract

An optimized plastic helmet shell structure includes a preform made of a composite material produced from at least one fiber layer attached to an outer surface of a thin sheet shell consisting of at least one piece of thin sheet plastic material. The preform is hot formed in a forming module to form a helmet-shaped shell assembly. During the hot forming, the thin sheet shell has at least a part of its surface structure combined with or permeated into the fiber layer and the fiber layer is stretched on along the outer surface of the thin sheet shell into a tensed state. Therefore, the whole helmet-shaped shell assembly has reinforced but thin and light structure, and the fiber layer is smoothly and fitly attached to the outer surface of the shell assembly and can be colorized or printed with patterns.

Claims16

Dependent claims

An optimized plastic helmet shell structure, comprising:

a thin sheet shell (100) and a highly hydrophilic fiber layer (50), which are hot pressed to produce a composite material with the fiber layer (50) attached to an outer side of the thin sheet shell (100) for forming a shell assembly (99);
and
the thin sheet shell (100) having at least a part of its surface structure combined with or permeated into the fiber layer (50) to form a bonding state between the thin sheet shell (100) and the fiber layer (50);
and the fiber layer (50) being pushed and stretched on along the outer side of the thin sheet shell (100) into a tensed state when the fiber layer (50) is hot pressed to integrate with the thin sheet shell (100).

1 more element

Dependencies are inferred from the claim text.

Optimized plastic helmet shell structure

Life of this patent

Optimized plastic helmet shell structure

Life of this patent

Abstract

Claims16