Heating tip and method of manufacturing the same

Details Heating tip and method of manufacturing the same Heating tip and method of manufacturing the same

1998-10-01

2000-03-21

Ryan, Patrick

Metal fusion bonding

Metallic heat applicator

228 54, 228 55, 279103, B23K 300

Patent

active

060392371

ABSTRACT:
A heating tip in which an insertion cavity is formed in a tip substrate made of copper or copper alloy for insertion and containment of a heat generating portion, wherein the inner circumferential wall surface of the insertion cavity is formed by forging into a non-circular cross sectional shape which is identical with a non-circular cross sectional shape on the outer circumferential surface of the heat generating portion. The insertion cavity has the non-circular cross sectional shape and, accordingly, the area of contact with the heat generating portion is enlarged compared with a case of a circular cross sectional shape with the hole volume being assumed identical, thereby increasing the heat conductivity from the heat generating portion and enhancing the temperature rising characteristics and the thermal response of the heating tip. Since the insertion cavity is formed by forging loss of the material can be decreased, neatly and easily and, in addition, working life of the tool can be extended.

REFERENCES:
patent: 3770937 (1973-11-01), Smits
patent: 4500027 (1985-02-01), Nakajima
patent: 4560101 (1985-12-01), Wilhelmson et al.

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