Larry R Holmes, Jr. is an accomplished inventor based in Peach Bottom, PA (US). He has made significant contributions to the field of three-dimensional printing through his innovative patents. With a total of 4 patents, Holmes has focused on developing advanced thermoplastic filaments that enhance the capabilities of 3D printing technology.

Latest Patents

Holmes' latest patents include a process for creating a polymer filament suitable for use in three-dimensional printing. This thermoplastic filament comprises multiple polymers of differing flow temperatures arranged in a regular geometric pattern. The unique property of these polymers allows for a temperature range where one polymer remains mechanically stable while the other is flowable. This characteristic is crucial for producing thermoplastic monofilament feedstock for 3D printed parts. The mechanically stable polymer ensures geometric stability, while the flowable polymer fills gaps and provides strong bonding between deposited material lines and layers. Additionally, these multimaterial filaments can be produced via thermal drawing from a thermoplastic preform, which can also be three-dimensionally printed with complex geometries. This innovation enables the creation of monofilament and fiber with unique decorative or functional properties.

Another notable patent involves a thermoplastic filament that contains an interior channel with a structural or functional thread. This design allows for the incorporation of reinforcement or functional properties, such as electrical conductivity or optical waveguiding, into the filament. The method for producing this filament also emphasizes the importance of the differing flow temperatures of the polymers, which facilitate the creation of advanced 3D printing materials.

Career Highlights

Larry R Holmes, Jr. is currently employed by the US Government as represented by the Secretary of the Army. His work focuses on developing innovative materials and processes that enhance the capabilities of 3D printing technology. His contributions have been instrumental in advancing the field and improving the functionality of printed parts.

Collaborations

Holmes has collaborated with notable coworkers, including Eric Dean Wetzel and Ricardo X Rodriguez. Their combined expertise has contributed to the successful development of innovative solutions in the realm of 3D printing.

Conclusion

Larry R Holmes, Jr. is a pioneering inventor whose work in thermoplastic filaments has significantly impacted the field of three-dimensional printing. His innovative patents demonstrate a commitment to advancing technology and improving the capabilities of 3D printed materials

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