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4436results about "Window/door frames" patented technology

Polyolefin wood fiber composite

An improved composite structural member comprising a complex profile structural member, made of a composite comprising a polypropylene polymer and a wood fiber. The material is useful in conventional construction applications. The complex profile, in the form of an extruded thermoplastic composite member can be used in residential and commercial structures as described. Preferably, the structural member is used in the manufacture of the fenestration components such as windows and doors. Such linear members are designed with specifically configured cross-sectional shapes to form structural elements in the fenestration units. Structural elements must possess sufficient strength, thermal stability and weatherability to permit the manufacture of a structurally sound window unit that can be easily installed into a rough opening but can maintain its attractive appearance and structural integrity over the life of the window unit often twenty years or more. The structural member comprises a hollow complex cross-section with at least one structural web or one fastener web formed within the component. The exterior of the extruded component has a visible capstock layer and is shaped and adapted for installation in rough openings. The exterior also contains shape and components capable of supporting the elements of the fenestration unit such as a window, sash or movable door unit. The improved polypropylene structural members have unique advantages and can be assembled in thermoplastic weld processes.
Owner:ANDERSEN CORPORATION

Modular construction system

A system of modular assembly comprising a plurality of structural members. Each of the plurality of structural members comprises at least two slots along a lengthwise side. A first one of the at least two slots defines a first outside slot which is located nearest to a first widthwise side and a second one of the at least two slots defines a second outside slot which is located nearest to a second widthwise side. The distance between the slot axis of the first outside slot and the first widthwise side is a predetermined slot-to-side distance, and the distance between the slot axis of the second outside slot and the second widthwise side is a whole-number multiple of the predetermined slot-to-side distance. The distance between each of the slot axes of the at least two slots along one of said lengthwise sides is a whole-number multiple of the predetermined slot-to-side distance. The plurality of structural members comprises a first vertical structural member, a second vertical structural member, a first horizontal member and a second horizontal structural member. The first outside slot of the first vertical structural member is detachably connected slot-to-slot to the first outside slot of the first horizontal structural member, the second outside slot of the first vertical structural member is detachably connected slot-to-slot to the first outside slot of the second horizontal structural member, the first outside slot of the second vertical structural member is detachably connected slot-to-slot to the second outside slot of the first horizontal structural member, and the second outside slot of the second vertical structural member is detachably connected slot-to-slot to the second outside slot of the second horizontal member such that the first vertical structural member is substantially parallel to the second vertical structural member and substantially perpendicular to the first horizontal structural member and the second horizontal structural member.
Owner:CULP STEPHEN A
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