US3893269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curbed walls comprising pairs of planar panels and studs therefore
Assignee: United States Gypsum Co
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Filing: 1973-02-20
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Granted: 1975-07-08
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Expires: 1993-02-20
Abstract
Abstract A curved wall formed from generally circular segments comprising planar panels non-colinearly mounted by studs having side flanges interengaging the edges of the panels, and means contacting the edges but not the face of the panels, for preventing improper convergence of the panels.
Inventors
- 👤 Nels Nelsson
- 👤 Alan C Wendt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:54
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58; E04B2/60; E04B2/62; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6145; E04B2/74; E04B2/76; E04B2/78
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
279 words
A generally circular wall segment comprising planar panels non-colinearly positioned to approximate a circle, each panel having a front surface and an edge surface, and a plurality of studs each positioned between two adjacent ones of said panels at their adjacent edges and interengaging the same, each of the studs being characterized by a center web portion, at least one flange extending from two opposite sides of the web portion at a non-orthogonal angle thereto, interengaged with the edge surface of one adjacent panel, and means positioned towards the convex surface of the wall from the flange for covering the gap between adjacent panels and for preventing convergence of the adjacent panels, said means including a flange extending so as to contact the edge surfaces only of two adjacent panels and having a width x defined by the following equation: x d + t(w cos Alpha + d)/(R + a) where w the width of the panels, t the thickness of the wall measured from the interior point of contact of two adjacent interengaged panels if translated into contiguous positions, to the point of contact with said covering means, R the radius of curvature measured from the center of curvature of the wall segment to the midpoint of the interior surface of the wall segment, d the distance, if any, the interior points of contact of said panels are actually spaced apart in the wall as assembled, a the depth of the chamfer, if any, of the panel surface defining said interior surface, and Alpha the angle between R and a line extending from the center of curvature through the midpoint of the separation between said adjacent edge surfaces.
Claim 2
Dependent Claim
279 words
A generally circular wall segment comprising planar panels non-colinearly positioned to approximate a circle, each panel having a front surface and an edge surface, and a plurality of studs each positioned between two adjacent ones of said panels at their adjacent edges and interengaging the same, each of the studs being characterized by a center web portion, at least one flange extending from two opposite sides of the web portion at a non-orthogonal angle thereto, interengaged with the edge surface of one adjacent panel, and means positioned towards the convex surface of the wall from the flange for covering the gap between adjacent panels and for preventing convergence of the adjacent panels, said means including a flange extending so as to contact the edge surfaces only of two adjacent panels and having a width x defined by the following equation: x d + t(w cos Alpha + d)/(R + a) where w the width of the panels, t the thickness of the wall measured from the interior point of contact of two adjacent interengaged panels if translated into contiguous positions, to the point of contact with said covering means, R the radius of curvature measured from the center of curvature of the wall segment to the midpoint of the interior surface of the wall segment, d the distance, if any, the interior points of contact of said panels are actually spaced apart in the wall as assembled, a the depth of the chamfer, if any, of the panel surface defining said interior surface, and Alpha the angle between R and a line extending from the center of curvature through the midpoint of the separation between said adjacent edge surfaces.
Claim 3
Dependent Claim
62 words
The wall segment as defined in claim 1, wherein each of the portions of the wall segment positioned between two of said studs are defined by a pair of said panels of substantially equal width and thickness located back to back, said studs having two of said flanges projecting from each of said sides into interengagement each with one of said pair.
Claim 4
Dependent Claim
23 words
The wall segment as defined in claim 2, wherein said non-orthogonal angle for each of said two flanges is equal to: 90* -Alpha
Claim 5
Dependent Claim
16 words
The wall segment as defined in claim 1, wherein said non-orthogonal angle equals 90* - Alpha
Claim 6
Dependent Claim
33 words
The wall segment as defined in claim 1, and further including means for aNgularly adjusting said one flange with respect to said center web portion about the longitudinal axis of said web portion.
Claim 7
Dependent Claim
26 words
The wall segment as defined in claim 5, wherein said angularly adjusting means includes means for hinging said one flange with respect to said web portion.
Claim 8
Dependent Claim
242 words
A generally circular wall segment comprising planar panels non-colinearly positioned to approximate a circle, each panel having a front surface and an edge surface; and a plurality of studs each positioned between two adjacent ones of said panels at their adjacent edges and interengaging the same; each of the studs being characterized by at least two side flanges each having means for interengaging kerfs in the adjacent panel edge surfaces; stop means for separating said adjacent edge surfaces a distance x defined by the equation: x d + t(w cos Alpha + d)/(R + a) where w the width of the panels, t the thickness of the wall measured from the interior point of contact of two adjacent interengaged panels if translated into contigous positions, to the point of measurement of the distance x, R the radius of curvature measured from the center of curvature of the wall segment to the midpoint of the interior surface of the wall segment, d the distance, if any, the interior points of contact of said panels are actually spaced apart in the wall as assembled, a the depth of the chamfer, if any, of the panel surface defining said interior surface, and Alpha the angle between R and a line extending from the center of curvature through the midpoint of the separation between said adjacent edge surfaces; and covering means adjacent the convex surface of the wall segment for covering the gap between adjacent panels.
Claim 9
Dependent Claim
242 words
A generally circular wall segment comprising planar panels non-colinearly positioned to approximate a circle, each panel having a front surface and an edge surface; and a plurality of studs each positioned between two adjacent ones of said panels at their adjacent edges and interengaging the same; each of the studs being characterized by at least two side flanges each having means for interengaging kerfs in the adjacent panel edge surfaces; stop means for separating said adjacent edge surfaces a distance x defined by the equation: x d + t(w cos Alpha + d)/(R + a) where w the width of the panels, t the thickness of the wall measured from the interior point of contact of two adjacent interengaged panels if translated into contigous positions, to the point of measurement of the distance x, R the radius of curvature measured from the center of curvature of the wall segment to the midpoint of the interior surface of the wall segment, d the distance, if any, the interior points of contact of said panels are actually spaced apart in the wall as assembled, a the depth of the chamfer, if any, of the panel surface defining said interior surface, and Alpha the angle between R and a line extending from the center of curvature through the midpoint of the separation between said adjacent edge surfaces; and covering means adjacent the convex surface of the wall segment for covering the gap between adjacent panels.
Claim 10
Dependent Claim
24 words
The wall segment as defined in claim 7, wherein said stop means includes a rib projecting generally perpendicularly from one of said side flanges.
Claim 11
Dependent Claim
36 words
The wall segment as defined in claim 7, and further including means for altering the angular positioning of the kerf-interengaging means at one edge surface with respect to the kerf-interengaging means at the adjacent edge surface.
Claim 12
Dependent Claim
17 words
The wall segment as defined in claim 9, and further including means for altering the width x.
Claim 13
Dependent Claim
17 words
The wall segment as defined in claim 7, and further including means for altering the thickness t.
Claim 14
Dependent Claim
20 words
The wall segment as defined in claim 7, wherein said side flanges are hinged together at one of their edges.
Claim 15
Dependent Claim
20 words
The wall segment as defined in claim 12, and further including a rib projecting generally perpendicularly from said side flange.
Claim 16
Dependent Claim
37 words
The wall segment as defined in claim 13, wherein said stop means and said covering means comprise ribs spaced apart on said side flanges, forming grooves, and a flat cover member releasibly positioned within said grooves, respectively.
Claim 17
Dependent Claim
72 words
The wall segment as defined in claim 12, and further including a center web portion mounting said covering means at one edge and hingedly mounting two interengaging gear segments at the other edge, said gear segments being integrally connected to said side flanges, whereby rotation of one gear segment and side flange with respect to the center web portion causes the other gear segment and side flange to rotate an equal amount.
Claim 18
Dependent Claim
35 words
The wall segment as defined in claim 15, wherein said stop means includes a coil torsion spring positioned so as to extend from one side flange to the opposite side flange through said web portion.
Claim 19
Dependent Claim
114 words
A stud for use in a generally circular wall segment comprising planar panels non-colinearly positioned to approximate a circle with the studs each positioned between two adjacent ones of said panels at their adjacent edges and interengaging the same; the stud comprising at least two side flanges, a center web portion mounting a covering means at one edge, and two interengaging gear segments hingedly mounted for rotation about the other edge of tHe web portion, said gear segments being integrally connected to said side flanges, whereby rotation of one gear segment and side flange with respect to the center web portion causes the other gear segment and side flange to rotate an equal amount.
Claim 20
Dependent Claim
114 words
A stud for use in a generally circular wall segment comprising planar panels non-colinearly positioned to approximate a circle with the studs each positioned between two adjacent ones of said panels at their adjacent edges and interengaging the same; the stud comprising at least two side flanges, a center web portion mounting a covering means at one edge, and two interengaging gear segments hingedly mounted for rotation about the other edge of tHe web portion, said gear segments being integrally connected to said side flanges, whereby rotation of one gear segment and side flange with respect to the center web portion causes the other gear segment and side flange to rotate an equal amount.
Claim 21
Dependent Claim
53 words
The stud as defined in claim 17, wherein said covering means include a curved flange extending in both directions from the center web portion, and a curved flange extending from one edge of each side flange towards and overlapping said web portion flange, each of said overlapping flanges having complementary radii of curvature.
Claim 22
Dependent Claim
17 words
The stud as defined in claim 17, and further including means for biasing the side flanges apart.
Claim 23
Dependent Claim
117 words
A generally curved wall segment comprising pairs of planar panels each having a front surface and an edge surface, and a plurality of studs each positioned between two pairs of adjacent ones of said panels at their adjacent edge surfaces and interengaging the same, leaving their front surfaces exposed, each pair of panels defining one section of the wall, each of the studs being characterized by a center web portion and lateral flanges engaging kerfs provided at the edges of said panels, said lateral flanges having protuberances serving as stop means for locating said edge surfaces of each pair of panels in a common plane inclined at an angle to and spaced-apart from the center web portion.
Claim 24
Dependent Claim
117 words
A generally curved wall segment comprising pairs of planar panels each having a front surface and an edge surface, and a plurality of studs each positioned between two pairs of adjacent ones of said panels at their adjacent edge surfaces and interengaging the same, leaving their front surfaces exposed, each pair of panels defining one section of the wall, each of the studs being characterized by a center web portion and lateral flanges engaging kerfs provided at the edges of said panels, said lateral flanges having protuberances serving as stop means for locating said edge surfaces of each pair of panels in a common plane inclined at an angle to and spaced-apart from the center web portion.
Claim 25
Dependent Claim
28 words
The wall segment as defined in claim 20, wherein said angle on one side of the web portion is substantially equal to said angle on the opposite side.
Claim 26
Dependent Claim
135 words
A wall comprising a plurality of planar wall members arranged with their surfaces tangent to an imaginary curvilinear line, each of said wall members comprising a pair of parallel spaced-apart panels each having a kerf provided therein at the vertical edges thereof, and a plurality of studs each intermediate and connecting the panels of adjacent wall members, each stud comprising a transverse web having a pair of oppositely directed flanges disposed at an angle of less than 180* with respect to each other at one portion thereof disposed within the kerfs of one pair of adjacent panels, and a second pair of oppositely directed flanges disposed at an angle of less than 180* with respect to each other spaced-apart from said first pair and disposed within the kerfs of the other pair of adjacent panels.
Claim 27
Dependent Claim
135 words
A wall comprising a plurality of planar wall members arranged with their surfaces tangent to an imaginary curvilinear line, each of said wall members comprising a pair of parallel spaced-apart panels each having a kerf provided therein at the vertical edges thereof, and a plurality of studs each intermediate and connecting the panels of adjacent wall members, each stud comprising a transverse web having a pair of oppositely directed flanges disposed at an angle of less than 180* with respect to each other at one portion thereof disposed within the kerfs of one pair of adjacent panels, and a second pair of oppositely directed flanges disposed at an angle of less than 180* with respect to each other spaced-apart from said first pair and disposed within the kerfs of the other pair of adjacent panels.
Claim 28
Dependent Claim
31 words
A wall according to claim 22, additionally having cover means mounted on each of said studs covering the space between the edges of adjacent wall members at the outer surface thereof.
Claim 29
Dependent Claim
21 words
A wall according to claim 23, wherein said cover means comprises a pair of oppositely directed flanges integral with said stud.
Claim 30
Dependent Claim
37 words
A wall according to claim 22, wherein the web of said stud comprises a pair of web members hingedly connected at one end, and having a cover plate disposed at the spaced-apart ends of said web means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |