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3. 发明专利

JPS63171284A MANUFACTURE OF LASER BEAM WELDED CAN 失效
公开(公告)号：JPS63171284A
公开(公告)日：1988-07-15
申请号：JP302287
申请日：1987-01-09
申请人： TOYO SEIKAN KAISHA LTD
发明人： MIHASHI MINORU , KOBAYASHI SEISHICHI
IPC分类号： B23K26/21 , B23K26/18
摘要： PURPOSE:To obtain a welded can with a narrow welding width without having the difference in the level of a joint by providing a resin coating film with the heat-resistant decomposing property having a specific thermogravimetric reduction rate in the vicinity of a welded zone. CONSTITUTION:In the case of welding the can by the welding of metal raw material, at the time of providing the resin coating film in the vicinity of the welded zone, coating material to obtain the resin coating film with the temperature >=470 deg.C where the thermogravimetric reduction rate is made to 50% is coated in the thermogravimetric analysis (TGA) measurement under the condition of the temperature raising speed 20 deg.C/min in gaseous nitrogen current of a film sample. Then, the metal material is butt-welded by a CO2 laser. In this way, the temperature of the film and the metal plate can be arranged to the high temperature having the high laser beam absorptivity with the high efficiency and the laser beam welded can with the excellent external appearance is obtained.

6. 发明专利

JPS63267258A THERMAL STERILIZATION OF HERMETICALLY PACKAGED MATERIAL 失效
公开(公告)号：JPS63267258A
公开(公告)日：1988-11-04
申请号：JP9859787
申请日：1987-04-23
申请人： TOYO SEIKAN KAISHA LTD
发明人： HIROTA KAZUSANE , YAZAKI JINICHI , MIHASHI MINORU
IPC分类号： B65D65/40 , A23L3/00 , A23L3/02
摘要： PURPOSE:To uniformly raise the temperature of a content as a whole in a hermetically packaged material in a short time and to attain excellent sterilization effect, by sealing a content in a packaging vessel having a coating layer of a far infrared radiation material on the inner surface and sterilizing the content e.g. by heating. CONSTITUTION:A vessel having a coating layer of a far infrared radiation material on the inner surface of the vessel is used as a packaging vessel. A content to be packaged is filled in the packaging vessel, sealed and thermally sterilized or a thermally sterilized content is filled in the packaging vessel in hot state and sealed. The far infrared radiation material to be used in the above process is a material capable of radiation far infrared radiation of 3-14mu wavelength and preferably a material having radiation intensity at the above wavelength close to the intensity radiated from a black body. The spectral emissivity of the far infrared radiation material at a far infrared region of 3-14mu wavelength is preferably >=80% at the thermal sterilization temperature (generally 80-160 deg.C).

7. 发明专利

JPS63180389A MANUFACTURE OF LASER-WELDED CAN 失效
公开(公告)号：JPS63180389A
公开(公告)日：1988-07-25
申请号：JP1096187
申请日：1987-01-20
申请人： TOYO SEIKAN KAISHA LTD
发明人： MIHASHI MINORU
IPC分类号： B65D8/22 , B23K26/21
摘要： PURPOSE:To effectively perform the CO2 laser welding of a can material by providing a film with organopolysiloxane as a main component or with a copolymer with a different coating resin or mixed resin for a can as a main component in the neighborhood of a weld zone of a blank for the can. CONSTITUTION:The film with the organopolysiloxane as a main component or with the copolymer with the different coating resin or the mixed resin for the can as a main component is provided in the neighborhood of the weld zone of the blank for the can. When CO2 laser light is projected on the weld zone, even in the case that the resin film itself with the high heat-resistant decomposing property is not a good absorber for the laser light, the laser light is absorbed and the temperature of the weld zone is raised, even if the absorptivity of the laser light of the blank is low and the blank for the can is subjected to the CO2 laser welding with the satisfactory efficiency.

9. 发明专利

JPH0328989B2 失效
公开(公告)号：JPH0328989B2
公开(公告)日：1991-04-22
申请号：JP31019486
申请日：1986-12-27
申请人： TOYO SEIKAN KAISHA LTD
发明人： SATO NOBUYUKI , MATSUBAYASHI HIROSHI , KOBAYASHI SEISHICHI , MIHASHI MINORU , MATSUNO KENJI , ISHIBASHI KAZUHISA
IPC分类号： B23K26/21

10. 发明专利

JPH01182276A REHEATABLE HEAT RESISTANT SEALED PACKAGING CONTAINER 失效
公开(公告)号：JPH01182276A
公开(公告)日：1989-07-20
申请号：JP32727087
申请日：1987-12-25
申请人： TOYO SEIKAN KAISHA LTD
发明人： HIROTA KAZUSANE , YAZAKI JINICHI , MIHASHI MINORU
IPC分类号： B65D81/34
摘要： PURPOSE:To improve the heat resistance of a container and the heating efficiency of the internal foods, by placing a base material composed of a thermoplastic resin layer and papers between far-infrared radiative ceramic inner and outer layers. CONSTITUTION:A ceramic outer layer 8 provided on the outer wall of a container acts upon a base material 6 of the container composed of a thermoplastic resin layer and papers in cooperation with a ceramic inner layer 7 to prevent the thermal and oxidative deterioration of the base material, resulting in a remarkable improvement of heat resistance of the container itself to such extent as to withstand heating by an oven. The ceramic outer layer 8 radiates far- infrared rays by heating from outside, thereby heating the base material 6. Heat is transferred from the heated base material 6 to the ceramic inner layer 7, leading to further amplified far-infrared radiation. Also, the foods in the container is heated to a high temperature, making possible an efficient heating with a small amount of heat.

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