Abstract: A door having an improved design is provided, which improved design consisting of a door frame made of a rigid material, a first skin mounted on this frame and forming a first face of the door, and a second skin also mounted on the frame and forming a second face of the door. One of the first and second skins comprises a portion thereof which constitutes at least in part the peripheral edge of the door. In this design, at least one of the first and second skins is made of moldable material and is shaped by vacuum forming to provide the corresponding face of the door with decorative patterns, which decorative patterns as well as the door frame being designed so that the shaped skin can be mounted on the frame. Any empty space between the two skins of the door may be filled with a convenient material, thereby increasing the rigidity of the door.

Abstract: A double-glazed, light-transmitting panel having a pair of plastic face sheets permanently bonded to and spaced by a mechanically interlocked I-beam grid core. The grid core employs an I-beam spacer attachment which comprises a plurality of I-beams each having a pair of identical flanges joined by an interconnecting web with each of the flanges being formed with a dovetail keyway, a plastic connector seated upon each I-beam flange and having a dovetail tongue engaging a mating dovetail keyway, and an adhesive layer bonding each face sheet to opposing connectors separated by the I-beams. An alternative embodiment for the plastic connector has a generally U-shaped cross section that snaps on the flange of the channel. A method for fabricating a plastic connector by using the I-beam flange as a mold is also disclosed.

Abstract: An improved window construction including a combination metal/wood support frame for a double hung metal window sash, the metal window sash being provided with side channels for reception of counterbalance springs therein. A screw-threaded bow adjuster is provided which is usable for installing the combination wood/metal frame in the house framing for eliminating any bow therebetween to reduce heat losses therethrough. A wood sash liner/fascia is provided for covering the metal window to give same the over-all appearance of a window made entirely of wood. The wood sash liner/fascia preferably being provided with a plurality of muntins thereacross which are joined with tongue and groove type joints. The top horizontal bar of the bottom window being provided with a lock covering recess and the lower horizontal bar thereof having hand-recess cut-outs.

Abstract: A compression molded door assembly is disclosed. A pair of compression molded skins are mounted on a rectangular perimeter frame which extends outwardly from the edges of the skins. The compression molded skins include a molding resin and reinforcing glass fibers. The outer surface of the skin is essentially devoid of glass fibers for a predetermined distance. A foamed core is positioned within the frame in adhering relationship to the opposed skins. A texture is molded on the exterior of the skins which simulates the grain and texture of a wood door.

Abstract: A method for manufacturing a hollow core panel door, and the door made by the method. The method includes the providing of a single form of molding for holding panel inserts, the molding being useable as both rails and stiles. Door facings are cut out for panels, top and bottom rails are placed between the facings, and top and bottom rails, made of the molding, are provided for each panel. Panel inserts are made by providing a rectangular frame, placing facings on each side of the frame, then shaping the edges to make a panel insert. Panel inserts are slid into top and bottom rails. The panel inserts are held in place by core stiles, also formed of the single form of molding, and outside stiles close the edges of the door. The core stiles are notched to receive the top and bottom rails; and, if the door includes a mullion, mullion stiles of the same molding will also be notched to receive the top and bottom rails.

Abstract: A self-locking, clear plastic clip is used to attach a decorative grillwork to a framed window insert. The clip may be factory installed between the window glass and the frame to allow for the later application of a decorative grill over the window without the need to drill holes through the grill and the insert frame. The clip is generally channel-shaped in cross sectional configuration and includes a web of length suitable to span the grill border. An attaching leg depends from one end of the web and is formed with a transverse tongue for engagement within the frame putty groove. A grill connection leg depends from the other end of the web to secure the grill in planar juxtaposition to the glass. A nib-like head extends upwardly from the web to facilitate bending of the clip for grill installation purposes.

Abstract: This invention is a fire resistant wood door structure designed to pass code and testing laboratories' requirements. The fire resistant wood door structure includes a door assembly having a support frame assembly with a panel assembly connected to the support frame assembly. The support frame assembly includes top, bottom, side, central, and transverse frame members. The panel members include a main body connected through a peripheral edge by a double connector assembly of this invention. The main body and the area of the double connector assembly is of a thickness to pass the testing laboratory burn test requirements. The double connector assembly includes (1) a male connector assembly formed in an outer edge portion of the tapered peripheral edge; and (2) a female connector assembly in the adjacent frame members in the support frame assembly. Each male connector assembly is of U shape in transverse cross section having outwardly projecting leg members with a slot therebetween.

Abstract: A building structure comprising a plurality of post (1) designed with a mainly H-shaped cross section and arranged to be located in upright position in a chute-formed base portion (3) and panel sections (2) adapted to be fitted to the posts and the base portion. The posts (1) and the base portion are provided with surfaces (7, 13) inclined at an angle of 45.degree., the panel sections (2) are provided with first flanges (17) bent in a corresponding manner and adapted after the mounting to engage against said inclined surfaces (7, 13) and during mounting when they are bent aside to slide against the inclined surfaces of the post and the base portion in order to locate a locking member (18) provided at the outer end of the flanges to engagement behind said inclined surfaces.

Abstract: A false muntin assembly for converting a single window pane into one having multiple lights by having a muntin bar of desired outside appearance with a central hole and channel lengthwise along the back of the muntin bar, using pin connectors at intersections and in the peripheral sash and adhering snap-fit metal clips to the glazing panel in line with the false muntin design to prevent the false muntin from floating away from the pane.

Abstract: Frame comprised of I-beam verticals linked by spaced horizontals, fillers serving to separate the horizontals. Assembly involves inserting the horizontals within facing I-beam channels and separating said horizontals by fillers snapped into the I-beam channels.

Abstract: A security panel door of wooden construction, which is characterized by its ability to successfully meet established security test criteria that have been promulgated under existing official building codes, and a method of construction thereof. The subject security panel door embodies a pair of stiles, at least a top rail and a bottom rail, and at least one panel member. One of the longitudinally extending side edges of each of the pair of stiles has first joint means formed therein. The latter first joint means each include at least a first portion and a second portion, with the aforesaid first portion being larger than the aforesaid second portion in at least one dimension. Both the top rail and the bottom rail have a second joint means formed in one of the longitudinally extending side edges thereof. Each of the second joint means includes at least a first portion and a second portion, with the first portion being larger than the second portion in at least one dimension.

Abstract: A window grille set of pre-fabricated tubular members of a uniform cross-section having flat top, bottom and side walls which are provided with means for their joinder in crossed relation to form a self-sustaining grille assembly in which said members serve in the manner of window sash mullions to provide it with multiple light openings. The mullion-like members are provided with interlocked cross-lapped joints at each point where they cross one another and where said members are angularly related to provide diamond-shaped "lights" the opposite ends of each contiguous pair thereof are held together in miter-jointed relation by a spring-biased clip inserted into the hollow mitered extremities of said paired members. In its assembled form the grille is designed to be installed as a unit and hermetically sealed within the space conventionally provided between the spaced panes of thermal insulated window sashes.

Abstract: Structural and decorative unitary boards which may be laminated with a veneer are given a relief appearance by forming a rabbeted groove in the front face thereof, preferably rectangular in outline, and mounting therein from the front, tapered laminated strips having a thickness along one edge slightly less than the depth of the groove and the opposite narrow edge being substantially flush with the base of the groove. The entire panel thus presents a relief configuration in which substantially all of the exposed surfaces may be covered by the veneer. The panels may be used for doors used in kitchen cabinets, bathroom vanities and the like.

Abstract: Intersecting hollow flat strips are adjoined by a concealed semi-rigid thin clip, having the configuration of a wide plus sign. The flat strips have half thickness cutouts to permit interlocking engagement of two intersecting strips, with the thin clip inserted within the cutouts. The thin clips have dimensions and configurations which permit assembly or disassembly with slight force but prevent unintentional disassembly.

Abstract: A paneled door construction comprises a pair of first and second stiles, top and bottom rails connecting the stiles together, a muntin extending vertically between the top and bottom rails, and a pair of block assemblies disposed between the first stile and the muntin, and between the second stile and the muntin, respectively. The block assemblies each include a pair of inner stiles spaced apart horizontally from each other and extending vertically between the top and bottom rails, and alternate blocks and block-parting members sandwiched between the inner stiles. The blocks and block-parting members are attached by screws to the inner stiles by bringing the former into contact with the inner stiles, and then threading said screws into the blocks and the block-parting members through the inner stiles.

Abstract: A structural frame - window pane assembly includes a single-piece frame member shaped and dimensioned to receive and enclose the periphery of the window pane, and a window pane retained within the frame by a pair of spaced inwardly projecting resiliently deformable flanges formed integrally on the inner periphery of the frame member to receive and sealingly engage the edges of the pane. An elongate slot is provided in the frame through which the pane is inserted.

Abstract: Structural and decorative boards laminated with a hard plastic veneer are given a relief appearance by forming a rabbeted groove, preferably rectangular in outline, and mounting therein tapered laminated strips having a thickness along one edge substantially corresponding to the depth of the groove and along the opposite narrow edge being substantially flush with the base of the groove. The entire panel thus presents a relief configuration while the exposed surfaces are covered by the plastic veneer. The panels may be used for doors used in kitchen cabinets, bathroom vanities and the like.

Abstract: A fabricated window, preferably, though not necessarily, made from extruded shapes and which is so put together as to be suitable for use particularly in those instances where a tamper-proof window is required, by way of example, for use as windows in mental institutions. Particularly, the improved construction comprises means simply to slip the various parts of the window together by the provision of certain groove formations in the jambs, rails, and mullions together with a final assembly part in the corners of the window so secured to certain portions of the window parts as to prevent unauthorized disassembly of the window when the same is in use.

Abstract: A muntin bar unitary frame for disposition in confronting planar relationship to a glass pane to provide a visual appearance of the window glazing generally that of a divided glass assembly. The muntin bar unitary frame has a plurality of bars arranged in a desired pattern, with each of the bars being hollow with an internal central planar strengthening web defining a pair of tubular cavities and with a cross-joint where two bars intersect being formed by cutting of the two bars and reducing the thickness of the central web of the two bars to bring the central web surfaces in juxtaposed relation for bonding of the bars together. The planar walls of a bar for disposition adjacent glass panes each have raised ribs along the edge thereof to prevent contact of the planar walls with the surfaces of the glass panes.