| 摘要 |
THE OBJECT OF THE INVENTION IS TO PROVIDE A PAINT ROLLER WHICH CAN BE MANUFACTURED EASILY, SHORTENED MANUFACTURING TIME AND HAS HIGH PERFORMANCE OF SOLVENT RESISTANCE. THEREFORE, THE PAINT ROLLER IS SUCH THAT A ROLLER MAIN BODY IS FORMED BY THE STEPS OF: FORMING A CONTINUOUS CORE PORTION BY SPIRALLY WINDING SAID THERMOPLASTIC SHEET ON THE MANDREL; FORMING SAID COATING FOR BONDING WITH A SPECIFIC THICKNESS BY EJECTING THE MELTED THERMOPLASTIC MATERIAL ONTO SAID CONTINUOUS CORE PORTION; FORMING A CONTINUOUS ROLLER MAIN BODY BY SPIRALLY WINDING SAID SHEET WITH THE CONSTRUCTION FOR IMPREGNATING PAINT ONTO SAID CONTINUOUS CORE PORTION VIA SAID COATING FOR BONDING ; AND CUTTING SAID CONTINUOUS ROLLER MAIN BODY AT A SPECIFIC LENGHT.(FIG.2)
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