Patents Assigned to Rutland Plastic Technologies, Inc.
  • Mechanically frothed plastisols
    Patent number: 5334622
    Abstract: An improved process for production and delivery of a plastisol foam is provided. By the process, plastisol foam is maintained under controlled pressures and conditioned to enhance homogeneity and percent foam. Also provided is a process for intermittently dispensing a fluid such as a plastisol foam, by which drip may be prevented. Additionally provided is novel apparatus for preventing drip.
    Type: Grant
    Filed: October 6, 1993
    Date of Patent: August 2, 1994
    Assignee: Rutland Plastic Technologies, Inc.
    Inventor: Robert C. Bergvist