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公开(公告)号:US20170239838A1
公开(公告)日:2017-08-24
申请号:US15048548
申请日:2016-02-19
CPC分类号: B28B7/225 , B28B7/0064 , B28B7/346 , E04F11/02 , E04F2011/0212
摘要: An apparatus and method for precision forming a precast concrete flight of stairs is disclosed and where precision cut form components provide plural tread supports, plural sideboards, plural tread/riser combinations and a center tread support that upon assembly, the form components, automatically square and align treads and risers with upper and lower landings for installation to provide access between vertically spaced apart floors of a structure.
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公开(公告)号:US3863885A
公开(公告)日:1975-02-04
申请号:US42996174
申请日:1974-01-02
申请人: MCLOUGHLIN BERNARD J
发明人: MCLOUGHLIN BERNARD J
CPC分类号: B28B7/225
摘要: A form for producing concrete steps as an integral unit with risers, steps and a platform, if desired, utilizing inner and outer form or mold members with the inner form member adjustable transversely so that the width of the steps to be produced can be selected to suit and the same form utilized for a variety of steps of differing widths.
摘要翻译: 用于生产作为具有立管,台阶和平台的整体单元的混凝土台阶的形式,如果需要,利用内部和外部形式或模具构件,其中内部构件可以横向调节,使得要生产的步骤的宽度可以选择为 西装和用于不同宽度的各种步骤的相同形式。
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公开(公告)号:US3310275A
公开(公告)日:1967-03-21
申请号:US43784765
申请日:1965-03-08
申请人: LYONS WILLIAM C
发明人: LYONS WILLIAM C
IPC分类号: B28B7/22
CPC分类号: B28B7/225
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公开(公告)号:US2971238A
公开(公告)日:1961-02-14
申请号:US39738953
申请日:1953-12-10
申请人: IVAN FORSSELL KARL
发明人: IVAN FORSSELL KARL
IPC分类号: B28B7/22 , E04F11/022
CPC分类号: B28B7/225 , E04F11/025 , E04F11/116
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公开(公告)号:US2610380A
公开(公告)日:1952-09-16
申请号:US1853948
申请日:1948-04-02
申请人: POLLMAN ADAM F
发明人: POLLMAN ADAM F
CPC分类号: B28B7/225 , E04G13/06 , E04G13/062
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公开(公告)号:US2548703A
公开(公告)日:1951-04-10
申请号:US6376748
申请日:1948-12-06
申请人: CLINE RALPH L
发明人: CLINE RALPH L
CPC分类号: B28B7/225 , E04G13/06 , E04G13/062
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公开(公告)号:US2470690A
公开(公告)日:1949-05-17
申请号:US69876546
申请日:1946-09-23
申请人: DAHLE FREDERICK A
发明人: DAHLE FREDERICK A
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公开(公告)号:US1112804A
公开(公告)日:1914-10-06
申请号:US1911662515
申请日:1911-11-25
申请人: GEORGE LOVE , KAIL WILBERT S
发明人: KAIL WILBERT S
CPC分类号: B28B7/225
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公开(公告)号:US1041551A
公开(公告)日:1912-10-15
申请号:US1910592791
申请日:1910-11-17
发明人: WITTHOEFFT CHARLES H
CPC分类号: B28B7/225
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