发明名称 |
Window frame |
摘要 |
The window frame is adapted to receive at least one sash and has metal portions on an outdoor face thermally insulated from metal portions on an indoor face to thereby provide a thermal break. At least in part, the thermal break is attained by way of a thermal barrier strip having spaced parallel zones of contact with juxtaposed walls of the metal portions.
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申请公布号 |
US4037378(A) |
申请公布日期 |
1977.07.26 |
申请号 |
US19760660760 |
申请日期 |
1976.02.24 |
申请人 |
REPLACEMENT PRODUCTS INDUSTRIES CORPORATION |
发明人 |
COLLINS, DAVID R.;KATZ, SHELDON N. |
分类号 |
E06B3/263;E06B3/44;E06B3/964;(IPC1-7):E04B1/62;E06B3/54;E05C3/02 |
主分类号 |
E06B3/263 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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