Title:
MANUFACTURING METHOD OF PERMEATION SEAL
Document Type and Number:
Japanese Patent JP2023022803
Kind Code:
A
Abstract:
To provide a manufacturing method of a permeation seal which can obtain the seal impression with the high resolution.SOLUTION: A manufacturing method of a permeation seal comprises the steps of: printing a negative sheet 14 of desired seal impression data with a laser printer; pressing a printing surface 141 of the negative sheet 14 to a seal surface 111 of a seal die 11 made of a thermoplastic silicone resin-made open cell porous body or urethane resin-made open cell porous body; emitting flash light 17 in this state; and transferring toner printed on the negative sheet 14 to the seal surface 11. A portion of a mark of a heart on the center to which the toner is not transferred becomes an oozing portion of permeation seal ink, and other portions to which the toner is transferred become a non-oozing portion of permeation seal ink.SELECTED DRAWING: Figure 1
Inventors:
MATSUSHITA IKUZO
Application Number:
JP2022017354A
Publication Date:
February 15, 2023
Filing Date:
February 07, 2022
Export Citation:
Assignee:
TAIYOTOMAH CO LTD
HUIZHOU WANXI TECH CO LTD
HUIZHOU WANXI TECH CO LTD
International Classes:
B41K1/50
Attorney, Agent or Firm:
Patent Attorney Corporation Tokoshie Patent Office