JOHN T FRYDRYK
Engineering in Springfield, MA
License number
Massachusetts 12517
Expiration Date
Jun 30, 1984
Type
Mechanical Engineer
Address
Address
Springfield, MA 01129
Personal information
See more information about JOHN T FRYDRYK at radaris.comName
Address
Phone
962 Lowell Rd, Concord, MA 01742
Lowell, MA
20 Summer St, Chelmsford, MA 01824
23 Dalton St, Wilbraham, MA 01095
606 Parker St, Springfield, MA 01129
Professional information
See more information about JOHN T FRYDRYK at trustoria.com
Seed Bed Cover With Improved, Reinforced Edge Sections
Seed Bed Cover With Improved, Reinforced Edge Sections
US Patent:
4044501, Aug 30, 1977
Filed:
Oct 22, 1976
Appl. No.:
5/734917
Inventors:
John Frydryk - Springfield MA
Assignee:
Johnson & Johnson - New Brunswick NJ
International Classification:
B32B 304, B32B 714
US Classification:
47 26
Abstract:
An improved, reinforced edge section for use on seed bed cover fabrics. The improved edge section is formed of multiple layers of the fabric along the side of the fabric. A plurality of openings is included through the multiple layer. To strengthen the edge section and prevent tearing, flexible reinforcing bands are located on the edge section securing the layers together. At least one band lies between each of the openings and the inside border of the layers, and at least one band lies between each of the openings and the outside border of the layers.