Multi-colored Hand Tool Grip Mold with Replaceable Submodules

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Solution Overview

Problem

The high cost of mold making and manufacturing for hand tool grips with multiple colors and patterns is increased due to the need for various molds and pouring holes, making it inefficient and costly to produce grips with different trademarks and designs.

Innovation Solution

The method involves using replaceable submodules in mold sets to injection mold lids and grips with different colors and patterns, reducing mold making costs by allowing for interchangeable submodules to create multi-colored hand tool grips with various designs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If various molds are made for forming lids with different trademarks, then different trademarks can be produced, but mold making cost increases

Engineering Contradiction:

Improveability to produce different trademarksVSAvoidmold making cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The mold is divided into a fixed mold body and replaceable submolds. Each submodule contains a specific trademark pattern and can be independently installed or removed from the combining groove in the mold body, allowing different trademarks to be produced without replacing the entire mold.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The fixed mold body is designed with a standard combining groove that can accommodate multiple different submolds. This universal interface allows a single mold body to serve multiple functions by simply changing the submodule, reducing the need for multiple complete molds.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If shaping molds are provided with multiple pouring holes and pouring grooves for different colored raw materials, then multi-colored grips can be produced, but manufacturing cost increases

Engineering Contradiction:

Improveability to produce multi-colored gripsVSAvoidmanufacturing cost

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The injection molding process is segmented into multiple sequential steps, with each step introducing a different colored raw material through a single pouring hole. The mold cavity is divided into different regions that are filled in sequence, allowing multi-colored effects without requiring multiple simultaneous pouring holes.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The first colored raw material is injected and partially solidified to form a base layer before the second colored raw material is injected. This preliminary action of forming one color layer first enables the subsequent color to be added without requiring complex multi-hole injection systems.

Inventive Principle:

Principle #10Preliminary action

3Ease of manufacture

If replaceable submodules are used for injection molding lids, then mold making cost is reduced, but mold structure complexity increases

Engineering Contradiction:

Improvemold making costVSAvoidmold structure

Core Design Contradiction:

Ease of manufactureVSDevice complexity

Solution Approach 1:

The mold structure is segmented into a fixed body and detachable submolds connected via a simple combining groove interface. This segmentation allows the complex pattern-forming function to be isolated in replaceable subcomponents rather than requiring the entire mold to be complex.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The trademark pattern-forming portion is extracted as a separate submodule that can be independently manufactured and replaced. This extraction simplifies the main mold body design while allowing flexibility in pattern variations through the removable submolds.

Inventive Principle:

Principle #2Taking out (Extraction)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach reduces mold making costs and allows for the efficient production of multi-colored hand tool grips with different patterns and designs, enhancing the visibility of trademarks and labels while maintaining a stable and integrated pattern layer.

Implementation Method 1

raw material of a grip is poured into the grip cavity to be solidified therein to form the grip

Methodology Applied

Scientific EffectInjection molding:

Implementation Method 2

raw material of a grip is poured into the grip cavity to be solidified therein to form the grip

Methodology Applied

Scientific EffectSolidification:

Implementation Method 3

raw material of a grip is poured into the grip cavity to be solidified therein to form the grip

Methodology Applied

Scientific EffectCooling:

Data Source

PatentUS9862086B2Method of manufacturing multicolored hand tool grips

Publication Date: 2018.01.09 CHEN HSIU MAN YU

AI summary

A method of manufacturing a multi-colored hand tool grip includes a step of forming a grip, a step of forming a lid and a step of completing a finished product. In the step of forming a lid, replaceable submodules are employed to form the lid, able to lower cost of mold making. In the step of completing a finished product, after the grip and the lid are combined together and received in the mold cavity of a third mold set, raw material of a holding portion is poured into the mold cavity to form a different-colored holding portion. By so designing, the lid and the holding portion of different colors can be formed on the grip to let patterns presented more clearly, thus forming a multi-colored hand tool grip.