Duncan J McCallum

Title: Duncan J McCallum: Innovator in Transportation Safety

Introduction

Duncan J McCallum is a notable inventor based in Hinsdale, IL (US). He has made significant contributions to the field of transportation safety, particularly through his innovative designs for cylindrical containers. With a total of 2 patents, McCallum's work is recognized for its practicality and effectiveness.

Latest Patents

One of McCallum's latest patents is the "Transportation Safety Ring for Cylindrical Containers." This invention is a unitary, removable transportation ring designed to retain the lid or cover on cylindrical containers, such as metal paint cans. The ring is molded from rigid plastic material and features a generally inverted U-shape cross-section. It includes a raised planar platform that forms a stacking ring on the upper side, along with two parallel annular limbs. The outer limb has a locking bead that secures the ring in place, while the inner limb fits into a recess on the container's lid, effectively preventing leakage under abnormal hydrostatic pressures.

Career Highlights

Duncan J McCallum is associated with Armstrong Containers, Inc., where he has applied his expertise in developing innovative solutions for container safety. His work has contributed to enhancing the reliability and safety of transporting various materials.

Collaborations

Throughout his career, McCallum has collaborated with notable colleagues, including John P Williams and Robert C Jack. These partnerships have fostered a creative environment that encourages innovation and the development of practical solutions.

Conclusion

Duncan J McCallum's contributions to transportation safety through his innovative patents demonstrate his commitment to improving the functionality and safety of cylindrical containers. His work continues to influence the industry and enhance safety standards.