Patent ID: 8167596

Claim:
A compressor comprising: a first constituent element configured to be laser welded, the first constituent element having a first joining surface; and a first slider composed of cast iron that is configured to be laser welded and having a carbon content of at least 2.0 wt % and no more than 2.7 wt %, the first slider having a second joining surface. the first slider being joined with the first constituent element by laser welding without using a filler, with at least 50% of a contact portion between the first joining surface and the second joining surface being laser welded without using a filler, the first constituent element includes a chamfered edge formed in an end portion of the first joining surface on a side irradiated with laser light when laser welded, the chamfered edge of the first constituent element having a width that is smaller than ¼ of a spot diameter of the laser light, and the first slider includes a chamfered edge formed in an end portion of the second joining surface on a side irradiated with laser light when laser welded, the chamfered edge of the first slider having a width that is smaller than ¼ of the spot diameter of the laser light.