Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With work cooling means
Reexamination Certificate
2005-05-24
2005-05-24
Sells, James (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With work cooling means
C156S581000, C156S583100
Reexamination Certificate
active
06896024
ABSTRACT:
A thermo-welding device used for a thermoplastic resin molded goods is provided to drastically reduce cooling time and increase productivity. The device is used with a welding boss (5a) formed on the molded goods (5) made of thermoplastic resin inserted into a fixing hole6aformed on the fixed object (6). A tip section of the welding boss (5a) projecting out from the fixing hole6ais heated and fused to form an extended portion (5c) outside the fixed object (6) to apply to the welding boss (5a) of a molded good (5) in the thermo-welding device used for fixing the fixed object (6) to the molded good. In a portion of the periphery of a heating element having in a tip section thereof an applying side21to heat and fuse the welding boss5a, a slit23is provided to exhaust air after the air cools the inside of the heating element20. In addition, on a pipe10for supplying cooling air to the inside of this heating element20are formed a lengthwise hole14for blowing air onto the back of the applying side21of the heating element20and a widthwise hole12for blowing air onto the internal surface of the heating element20in the backward of the lengthwise hole14. The widthwise hole12is located in a shifted position at an angle of not facing to said slit23.
REFERENCES:
patent: 4797173 (1989-01-01), Gross et al.
patent: 5282915 (1994-02-01), Westlake, Jr.
patent: 5843274 (1998-12-01), Chou
patent: 4-19016 (1992-03-01), None
McGlew and Tuttle , P.C.
Munekata Co., Ltd.
Sells James
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