Stock material or miscellaneous articles – Structurally defined web or sheet – Including sheet or component perpendicular to plane of web...
Patent
1994-05-23
1995-05-09
Thomas, Alexander S.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including sheet or component perpendicular to plane of web...
428120, B32B 330
Patent
active
054138337
ABSTRACT:
A webbed boss is integrally formed on and projects outwardly from the nominal surface of a wall portion of an injection molded plastic part and has a specially designed cross-section along its length that increases the strength of the boss, in both bending and twisting modes, without increasing the tendency of creating a sink mark on the cosmetic side surface of the wall portion beneath the boss. Representatively, along its length the boss has a generally cross-shaped cross section defined by four webs that meet, at inner cross-sectional ends thereof, at a square junction area of the boss. Each boss has an outer side edge portion with a thickness at the nominal wall side surface of about 60% of the wall portion thickness. From such outer side edge portion, the opposite sides of each of the bosses taper inwardly to the junction area in a manner such that the maximum thickness of the junction area parallel to the nominal side surface is about 60% of the wall portion thickness.
Hernandez Gilberto
Scholder Erica J.
Thompson Doug
Dell USA L.P.
Huffman James
Konneker J. Richard
Thomas Alexander S.
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