PATENT ASSIGNEE'S COUNTRY | Japan |
UPDATE | 05.00 |
PATENT ASSIGNEE | YKK Corp |
PATENT CLAIMS |
Method for mfg regenerated polyester - Prepg primary pellets by granulating waste polyester mate rial with a rotary blade, heating & melting said granulated material & deaerating & extruding the hot molten polyester to obtain a strand, & then pelletizing the extruded strand - Prepg regenerated pellets by subjecting said primary pellets to solid-phase polymn in vacuum at 185-200C - Forming said regenerated pellets into a prescribed shape |
PATENT PHOTOCOPY | Available on request |
Want more information ? Interested in the hidden information ? Click here and do your request. |