Register box and wye

A box for connection to an air flow system, comprising:

• an end wall,
• a plurality of side walls extending from said end wall to an open end opposite said end wall defining an interior zone between said wall,
• said end wall and at least one of said side walls each having a plurality of different said generally concentric geometric figures formed by grooves in one side thereof whereby said end wall and said one side wall may be cut along said grooves to form different size openings for receiving different size conduits for the flow of air therethrough,
• at least one of said conduits comprises:
• a thin flexible rectangular shaped member having first and second opposite ends, third and fourth opposite ends transverse to said first and second opposite ends, an inner side, and an outer side,
• said first end of said member comprising a connecting tab along the length of said first end which is offset from the thin plane of said member such that said tab is located on said inner side and spaced from said outer side,
• said second end of said member having a groove formed along the length of said second end by two spaced apart end portions one of which is in the thin plane of said member and the other of which is offset from the thin plane of said member such that said other end portion is located on said inner side and is spaced from said outer side,
• a second thin flexible rectangular shaped member identical to said first thin flexible rectangular shaped member,
• said first and second rectangular shaped members being coupled together by having said connecting tab of said first rectangular shaped member located in said groove of said second rectangular shaped member such that the inner sides and the outer sides of said first and second rectangular shaped members face in the same directions respectively,
• said first and second rectangular shaped members being formed into said conduit by having said connecting tab of said second rectangular shaped member inserted into said groove of said first rectangular shaped member with said inner sides of said first and second rectangular shaped members being within said conduit and said outer sides of said first and second rectangular shaped members facing in the outward direction,
• one end of said resulting conduit defined by said third ends of said first and second rectangular shaped members being adapted to be inserted into an opening formed through said wall,
• a plurality of a first set of small spaced apart protuberances formed on the outer side of said first and second rectangular shaped members near said third ends for engaging the inside of said wall when said one end of said conduit is inserted into said opening formed through said wall for facilitating retention of said one end of said conduit in place in said opening, and
• a plurality of a second set of small spaced apart protuberances formed on the outer side of said first and second rectangular shaped members closer to said fourth ends thereof than said first set of protuberances respectively for engaging the inside wall of an air duct to be fitted around said conduit from the end of said conduit opposite said one end.

A box formed of plastic material for connection to an air flow system, comprising:

• an end wall,
• a plurality of side walls extending from said end wall to an open end opposite said end wall,
• said side walls at said open end having edges defining an opening leading to an interior zone between said walls,
• a flange extending outwardly from said edges of said side walls at said open end such that said flange extends outwardly around said opening,
• said end wall and at least one of said side walls each having a plurality of different size generally concentric geometric figures formed by grooves in one side thereof whereby said end wall and said one side wall may be cut along said grooves to form different size openings for receiving different size conduits for the flow of air therethrough,
• said open end of said box being adapted to be coupled to an inlet formed through the structural wall of a house or building or the like with the side of said flange opposite said side walls engaging the structural wall around said inlet, for the flow of air through said inlet from at least one conduit coupled to an opening formed through said end wall or through said one side wall,
• an adapter means formed of plastic material for connection to said side of said flange of said box,
• said adapter means having an opening formed therethrough with dimensions such that the area of said opening of said adapter means is less than the area of said opening at said open end of said box,
• said adapter means having a first side adapted to engage a portion of said side of said flange,
• connecting means for connecting said first side of said adapter means to said side of said flange with said flange extending outward beyond the outer edges of said adapter means,
• a relatively short wall means extending generally transversely from the inner edges of said adapter means around said opening of said adapter means on the side of said adapter means opposite said first side,
• said relatively short wall being adapted to be located in the inlet of the structural wall when said box is coupled to the inlet.

A box formed of plastic material for connection to an air flow system, comprising:

• an end wall,
• a plurality of side walls extending from said end wall to an open end opposite side end wall,
• said side walls at said open end having edges defining an opening leading to an interior zone between said walls,
• a flange extending outwardly from said edges of said side walls at said open end such that said flange extends outwardly around said opening,
• said end wall and each of said side walls having a plurality of different size generally concentric geometric figures formed by grooves in one side thereof whereby said end wall and said side walls may be cut along said grooves to form different size openings for receiving different size conduits for the flow of air therethrough,
• said open end of said box being adapted to be coupled to an inlet formed through the structural wall of a house or building or the like with the side of said flange opposite said side walls engaging the structural wall around said inlet, for the flow of air through said inlet from at least one conduit coupled to an opening formed through said end wall or through one of said side walls,
• an adapter means formed of plastic material for connection to said side of said flange of said box,
• said adapter means having an opening formed therethrough with dimensions such that the area of said opening of said adapter means is less than the area of said opening at said open end of said box,
• said adapter means having a first side adapted to engage a portion of said side of said flange,
• connecting means for connecting said first side of said adapter means to said side of said flange with said flange extending outward beyond the outer edges of said adapter means,
• a relatively short wall means extending generally transversely from the inner edges of said adapter means around said opening of said adapter means on the side of said adapter means opposite said first side,
• said relatively short wall being adapted to be located in the inlet of the structural wall when said box is coupled to the inlet.

A box formed of plastic material for connection to an air flow system, comprising:

• a substantially flat end wall generally rectangular in shape,
• four substantially flat side walls extending from said end wall to an open end opposite said end wall,
• said side walls at said open end having edges defining an opening leading to an interior zone between said walls,
• a flange extending outwardly from said edges of said side walls at said open end such that said flange extends outwardly around said opening,
• said end wall, said four side walls, and said flange being formed of the same type of plastic material,
• said end wall being generally parallel to said flange,
• the distance from said end wall to said flange is greater than the minimum dimensions of the lengths of the edges of said end wall,
• said end wall and each of said side walls having a plurality of different size generally concentric geometric figures formed by grooves in one side thereof whereby said end wall and said side walls may be cut along said grooves to form different size openings for receiving different size conduits for the flow of air therethrough,
• said open end of said box being adapted to be coupled to an inlet formed through the structural wall of a house or building or the like with the side of said flange opposite said side walls engaging the structural wall around said inlet, for the flow of air through said inlet from at least one conduit coupled to an opening formed through said end wall or through one of said side walls,
• an adapter means formed of plastic material for connection to said side of said flange of said box,
• said adapter means having an opening formed therethrough with dimensions such that the area of said opening of said adapter means is less than the area of said opening at said open end of said box,
• said adapter means having a first side adapted to engage a portion of said side of said flange,
• connecting means for connecting said first side of said adapter means to said side of said flange with said flange extending outward beyond the outer edges of said adapter means,
• a relatively short wall means extending generally transversely from the inner edges of said adapter means around said opening of said adapter means on the side of said adapter means opposite said first side,
• said relatively short wall being adapted to be located in the inlet of the structural wall when said box is coupled to the inlet.

A box formed of plastic material for connection to an airflow system, comprising:

• a generally flat end wall generally rectangular in shape,
• four generally flat side walls extending from said end wall to an open end opposite said end wall,
• said side walls at said open end having edges defining an opening leading to an interior zone between said walls,
• a flange extending outwardly from said edges of said side walls at said open end such that said flange extends outwardly around said opening,
• said end wall and at least one of said side walls each having a plurality of different size generally concentric geometric figures formed by grooves in one said thereof whereby said end wall and said one side wall may be cut along said grooves to form different size openings for receiving different size conduits for the flow of air therethrough,
• each of said side walls having two generally parallel edges of unequal length and two non-parallel edges of generally equal length,
• the smallest generally parallel edge of each of said side walls defining one edge of said end wall.