Kaj Bjerre

Title: Kaj Bjerre: Innovator in Contact Lens Technology

Introduction

Kaj Bjerre is a notable inventor based in Ballerup, Denmark. He has made significant contributions to the field of ophthalmic lens production, holding a total of 11 patents. His work focuses on innovative methods and apparatuses for the manufacturing of contact lenses.

Latest Patents

Among his latest patents, Bjerre has developed a method for mold clamping and precure of a polymerizable hydrogel. This invention includes an apparatus designed for partially curing a polymerizable monomer or monomer mixture to create soft contact lenses. The system features a transport device that moves multiple contact lens molds to a precure station in a low oxygen environment. Each mold consists of a first and second half, with the polymerizable mixture sandwiched in between. A clamping member secures the mold halves together under predetermined pressure and time, while exposing the mixture to a radiant energy source for polymerization.

Another significant patent is the contact lens production line pallet system. This system is designed to transport contact lens mold materials throughout a production facility. It includes a pallet that carries one or more contact lens mold assemblies, featuring recesses for receiving the mold halves. A conveyor device facilitates the movement of the pallet from station to station, ensuring precise positioning at various manufacturing stations.

Career Highlights

Bjerre has worked with prominent companies in the industry, including Johnson & Johnson Vision Products Inc. and Johnson & Johnson Vision Care, Inc. His experience in these organizations has allowed him to refine his expertise in contact lens technology and production processes.

Collaborations

Throughout his career, Bjerre has collaborated with notable professionals such as Svend Christensen and Ture Kindt-Larsen. These partnerships have contributed to the advancement of innovative solutions in the field of ophthalmic lenses.

Conclusion

Kaj Bjerre's contributions to contact lens technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the production of ophthalmic lenses, showcasing the importance of innovation in improving everyday products.