发明名称 DOOR FRAME FOR METAL BUILDINGS
摘要 A pre-hung door and door frame in combination with nesting door posts. Preferably, the door posts have a central channel extending into contact with a door jamb soffit and one of the door jamb stops. The header includes a header tab extending from a nailing flange into a area defined by the door jamb rabbet, face and back bends to provide a more rigid connection between the header and the door jamb. The header also includes a pair of door jamb tabs integral with the header for fastening the header to the door jambs.
申请公布号 CA2266358(A1) 申请公布日期 1999.09.23
申请号 CA19992266358 申请日期 1999.03.23
申请人 INGERSOLL-RAND COMPANY 发明人 RUFF, ROBERT O.
分类号 E06B1/12;E06B1/52;E06B3/988;(IPC1-7):E06B1/12 主分类号 E06B1/12
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