Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Making hole or aperture in article
Patent
1990-09-14
1991-09-10
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Making hole or aperture in article
47 71, 264130, 264133, 264232, 264296, 264310, 264336, 425263, 425268, 425459, A01G 902, B28B 102, B28B 129, B28B 1108
Patent
active
050471945
ABSTRACT:
A pottery bowl with an integral catch tray. The process of forming the pottery bowl includes molding a bowl with a thickened sidewall adjacent to the bottom thereof. The bowl is then placed on a potter's wheel and a shaping tool is inserted into the thickened portion to form an integral catch tray. The shaping tool for forming the catch tray preferably has a rounded tip from which a stream of water is emitted.
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Fait Kenneth A.
Roufs William J.
Aftergut Karen
Averill, Jr. Edgar W.
Fait Kenneth A.
Silbaugh Jan H.
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