Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1996-11-18
1998-10-27
Nuzzolillo, M
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 3691, 411436, 21912167, B29D 2200
Patent
active
058275886
ABSTRACT:
A workpiece has a surface formed by a circular bore extending in the workpiece body along a bore axis. The bore surface includes a heat-affected zone pattern thereon, produced with a laser light beam. The heat-affected zone pattern can be a variety of patterns including a single helix, overlapping helixes a single annular ring and a plurality of annular rings. The heat-affected zones can have a variety of widths, as measured in relation to the longitudinal bore axis.
REFERENCES:
patent: H853 (1990-12-01), Stewart
patent: 4017708 (1977-04-01), Engel et al.
patent: 4019331 (1977-04-01), Rom et al.
patent: 5048032 (1991-09-01), Ekstrand et al.
patent: 5256459 (1993-10-01), Carlson
Gavigan William J.
Shandersky James T.
Snyder Craig L.
Tufano Frank J.
Ingersoll-Rand Company
Nuzzolillo M
Selko John J.
Ver Steeg Steven H.
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