| Patent Number |
Title Of Patent |
Date Issued |
| 4894521 |
Electric heating element for fusing thermoplastic materials |
January 16, 1990 |
| An electric heating element for electrically fusing thermoplastic materials. The heating element comprises an elongated thermoplastic insulated wire wound in a spiral configuration with adjacent surfaces of the thermoplastic insulation adhered together. |
| 4713129 |
Plastic pile protector and method of covering a pile with same |
December 15, 1987 |
| A device and method for covering pilings of piers and the like includes a plastic cover or sheet which is wrapped around the piling for protecting the piling against rot, weather and wear. The plastic sheet ends overlap as they wrap around the pile. The ends are sealed and secured by a |
| 4708527 |
Plastic pile protector and method of covering a pile with same |
November 24, 1987 |
| A device and method of covering piles and the like includes a plastic cover or sheet which is wrapped around the pile for protecting the pile against rot, weather and wear. The plastic sheet ends overlap as they wrap around the pile. The ends are sealed and secured by a heating element e |
| 4663794 |
Plastic pipe scraper |
May 12, 1987 |
| A plastic pipe scraper for scraping selected portions of the exterior surfaces of plastic pipe sections is provided. The apparatus is comprised of a frame member having a handle attached thereto adapted to fit over the plastic pipe sections, a scraper blade carrying member pivotally atta |
