Hobert C Sweatman

Title: Hobert C Sweatman: Innovator in Dyeing Techniques

Introduction

Hobert C Sweatman is a notable inventor based in Soddy, TN (US). He has made significant contributions to the field of dyeing techniques, holding a total of 3 patents. His innovative methods have improved the quality and efficiency of dyeing processes for various materials.

Latest Patents

One of Sweatman's latest patents is a method of producing dyed nylon walk-off mats with improved washfastness. This method involves dyeing nylon yarn or a tufted nylon mat in a fiber reactive dye solution with a pH ranging from about 0.5 to about 2.5. The yarn is then heated above 200°F and treated with an alkaline solution, followed by a heat treatment. A backing, such as rubber or vinyl, is applied to the mat at an elevated temperature, which can be done simultaneously with the heat treatment.

Another significant patent is a method of dyeing polypropylene fiber with more than one color. This process allows for the creation of areas of different colors on the fiber. A first dye solution is applied to cover the fiber with a first color, and while still wet, a second dye solution is applied to selected areas. The fiber is then subjected to elevated temperatures to fix the dyes, ensuring vibrant and durable colors.

Career Highlights

Throughout his career, Hobert C Sweatman has worked with several companies, including Rossville Yarn, Inc. and DKE Incorporated. His experience in these organizations has contributed to his expertise in dyeing technologies and innovations.

Collaborations

Sweatman has collaborated with notable coworkers such as Robert R Hixson and David R Kelly. Their combined efforts have likely led to advancements in the dyeing industry and the development of new techniques.

Conclusion

Hobert C Sweatman is a distinguished inventor whose work in dyeing techniques has made a lasting impact on the industry. His innovative methods continue to influence the production of high-quality dyed materials.