Company Filing History:
Years Active: 1994
Title: Innovations of Douglas R Callihan
Introduction
Douglas R Callihan is an accomplished inventor based in Lebanon, PA (US). He has made significant contributions to the field of casting technology, particularly with his innovative designs that enhance manufacturing processes. His work is characterized by a focus on efficiency and precision.
Latest Patents
Douglas R Callihan holds a patent for a Vacuum-assisted gravity pour casting apparatus. This apparatus features a vacuum housing with a fixed top portion and a moveable bottom portion. The design includes a filling vessel that extends through an opening in the top portion, effectively sealing it against leakage. The bottom housing portion is supported by a scissors-lift mechanism, allowing for the opening and closing of the chamber to cycle molds in and out. A stopper rod controls the flow of molten metal through a bottom nozzle into the mold, showcasing Callihan's innovative approach to casting.
Career Highlights
Callihan is associated with Cmi International, Inc., where he applies his expertise in casting technology. His work has contributed to advancements in manufacturing processes, making them more efficient and reliable.
Collaborations
Throughout his career, Douglas has collaborated with notable colleagues, including Mark A Cassel and Charles H Kinloch. These partnerships have fostered a creative environment that encourages innovation and the development of new technologies.
Conclusion
Douglas R Callihan's contributions to the field of casting technology exemplify the spirit of innovation. His patented vacuum-assisted gravity pour casting apparatus is a testament to his dedication to improving manufacturing processes. His work continues to influence the industry and inspire future inventors.