US 11,447,051 B2 · Manufacturing method for a child carrying device

Abstract

A manufacturing method for a child carrying device includes the following steps: providing a mold and disposing a main body of the child carrying device into the mold, and injecting a foam material into a cavity of the mold and foaming the foam material so as to form a flexible layer integrated with the main body. The manufacturing method disposes the main body into the mold and directly forms a flexible layer on the main body, so that the flexible layer ensures safety and comfort of the child carrying device while saves the necessity to dispose a seat pad or a cushion and fixing structures on the main body, and thereby reduces the cost and the work-hour of assembly, and the overall weight of the child carrying device can be reduced by omitting the fixing structures.

Claims21

Dependent claims

A manufacturing method for a child carrying device, the manufacturing method comprising:

providing a mold and disposing a main body of the child carrying device into the mold;
injecting a foam material into a cavity of the mold and foaming the foam material in the cavity of the mold so as to form a flexible layer integrated with the main body, wherein an average particle diameter of the foam material after being foamed is from 1 mm to 10 mm;
drawing the child carrying device from the mold;
disposing at least one fixing fixture into at least one hollow structure of the main body after drawing the child carrying device from the mold,
drying the child carrying device after disposing the at least one fixing fixture into the at least one hollow structure;
and
removing the at least one fixing fixture from the main body after the child carrying device is shaped.

4 more elements

Dependencies are inferred from the claim text.

Manufacturing method for a child carrying device

Life of this patent

Manufacturing method for a child carrying device

Life of this patent

Abstract

Claims21