Making Load-Optimized Parts by Combining Injection Molding with Fiber Reinforcement

Simple SummaryContent extracted from patent full text and abstract with AI.

This patent describes a method for creating load-adapted structures using a combination of injection molding and internal high-pressure forming. A fiber-reinforced insert is placed inside the mold, which includes predetermined breaking points designed to allow plastic melt to carry fibers from the insert into specific cavities, producing parts that can be reinforced exactly where additional strength is needed.

Use CasesContent extracted from patent full text and abstract with AI.

• Manufacturing lightweight automotive components with tailored reinforcement
• Production of structural parts for aerospace with optimized strength-to-weight ratio
• Manufacturing of sporting goods (e.g., bicycle frames, protective gear) where specific areas require reinforcement
• Industrial production of customized housings or enclosures that withstand particular mechanical stresses
• Innovative consumer products requiring selective reinforcement for durability

BenefitsContent extracted from patent full text and abstract with AI.

• Allows precise placement of fiber reinforcements only where needed, saving material and weight
• Enables production of parts with higher mechanical strength in stress-critical areas
• Streamlines the manufacturing process by integrating fiber insertion and molding in one step
• Reduces waste and production costs compared to traditional methods
• Facilitates the use of complex geometries and optimized designs not possible with conventional techniques

Technical Classifications (CPCs)

Inventors & Applicants

Patent Abstract

The invention relates to a method for producing load-appropriate structures, with a process combination of injection molding and internal high-pressure forming, wherein a plastic melt is introduced into an injection molding tool with a secondary cavity for producing a component by means of injection molding. Inside the tool, a fiber-reinforced insert structure is arranged, which is supported at least partially on the wall of the tool, wherein the fiber-reinforced insert structure has predetermined breaking points in the region of the secondary cavity, which is positioned in front of the secondary cavity, and wherein the plastic melt flows along the fiber-reinforced insert structure and in the region of the predetermined breaking points of the fibers, these are broken by an applied pressure on the fibers and flow into the secondary cavity while carrying along fibers from the fiber-reinforced insert structure.