Company Filing History:
Years Active: 1987-2001
Title: The Innovative Contributions of Grantland A. Craig
Introduction
Grantland A. Craig is a notable inventor based in Green Bay, Wisconsin. He has made significant contributions to the field of paper converting technology, holding a total of four patents. His work has focused on enhancing the efficiency and functionality of products in the paper industry.
Latest Patents
One of Craig's latest patents is titled "Stack formed from connected groups of interfolded sheets." This invention describes a stack of interfolded sheets formed from multiple groups, where adjacent groups are secured together. The design allows for the bottom sheet of each group to pull the top sheet of the next group, facilitating easier withdrawal. In one embodiment, the bond strength allows the top sheet to be released after partial withdrawal, while in another, the top sheet remains secured for complete withdrawal. The sheets can be bonded using either adhesive or non-adhesive methods.
Another significant patent is the "Method and apparatus for forming fluff pads for diapers and the like." This invention outlines a method where fluff material webs are introduced into separate hammermills and delivered through ducts under vacuum. The ducts feature reverse bends to densify the particle stream, ensuring effective deposition on a moving screen.
Career Highlights
Grantland A. Craig is currently employed at Paper Converting Machine Company, where he continues to innovate and develop new technologies. His work has had a lasting impact on the industry, improving product design and manufacturing processes.
Collaborations
Throughout his career, Craig has collaborated with notable colleagues, including James E. Hertel and Gary E. Johnson. These partnerships have contributed to the advancement of their shared projects and innovations.
Conclusion
Grantland A. Craig's inventive spirit and dedication to improving paper converting technologies have led to significant advancements in the industry. His patents reflect a commitment to innovation and efficiency, making him a valuable contributor to the field.