| 摘要 |
PROBLEM TO BE SOLVED: To provide a simplified coating material forced feeding coating device by remodeling a hand pump type pressure tank for chemical spray to a coating material forcibly feeding tank for coating to forcibly feed a coating material to a roller or a brush. SOLUTION: In order to adopt the hand air pump part of the pressure tank for chemical spray to the coating material, the pump cylinder part thereof is covered with a cylindrical or bag-like thin film member and a safety valve and a pressure indicating means are attached to the pressure tank through a cock as a check valve for the coating material.
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