Paper beading apparatus for wallboard corner beads

US8042591B2 · kind B2 · utility

Assignee

• UNITED STATES GYPSUM COMPANY · US

Inventors

• Aaron Charles Rosso · Chicago, US
• Matthew Earle Myers · Naperville, US
• Amar Patel · South Barrington, US
• Joseph Z. Wascow · Mundelein, US
• Stephen M. Oshgan · Des Plaines, US
• Brian A. Retzke · Chicago, US
• Scott Fong · Hong Kong, CN

Key dates

• Filing date: Feb 25, 2008
• Grant date: Oct 25, 2011
• Expiry date: Feb 18, 2030

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T156/1795
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

A paper beading apparatus, includes a hopper having a body defining a chamber for holding a quantity of joint compound, and having an open upper end, an upper rim, and a lower end; a lid pivotally secured to the body for movement between an open position and a closed position, wherein in the closed position, the lid engages the open upper rim, the lid having a releasably sealable air port; and a base configured for and accommodating the hopper lower end, for receiving joint compound, and for applying the joint compound to a corner paper bead.