US3898783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building panel and joint
Assignee: SPX Technologies Inc
•
Filing: 1974-02-04
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Granted: 1975-08-12
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Expires: 1994-02-04
Abstract
Abstract A sheet metal building panel has opposite joint-forming margins including flat portions having flanges outturned therefrom and terminating in complementary edge beads or loops. To assemble the joint, one of the panels is advanced laterally and edgewise toward the adjacent panel to cause the edge loop of the later panel to engage the outturned flange of the first panel between the flat portion and edge loop of the latter. The first panel is then rotated into its final position flush with the adjacent panel which causes the complementary loops to lodge snugly together. In the assembled joint, the marginal flat portions of the panels abut for effectively resisting shear forces between the panels, as well as opposing forces in the general planes of the panels. Also, the interfitting marginal portions form a main load carrying rib, while transverse ribs carry loads from the center of the panel to the side edges thereof.
Inventors
- 👤 Robert B Matlock
- 👤 Reginald B Wilmer
- 👤 Dale L Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:57
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/24; E04D3/30; E04D3/36; E04D3/361; E04D3/362; E04D3/364; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
266 words
A building panel having complementary joint-forming marginal edge portions, A. the first of said edge portions having 1. a first shelf part substantially parallel to the plane of the panel, 2. a first flange extending outwardly from the outer edge of said shelf part and forming a pivotal corner therewith, and 3. a male terminal loop on said first flange, B. said complementary edge portion having 1. inner and outer shelf parts and 2. a connecting part forming a ''''U'''' with legs substantially parallel to the plane of the panel, 3. a second flange extending outwardly at substantially 90* from the reentrant edge of said outer shelf part, and 4. a female terminal loop on said second flange overlying said outer shelf part, C. said male terminal loop being of a width sufficient to snugly fit within the female terminal loop of an adjacent similar panel, and D. there being sufficient space between the extremity of said complementary female loop and said outer shelf part to receive said male terminal loop therebetween for engaging said second flange when said adjacent panel is moved edgewise toward siad first panel, E. said first flange and said outer shelf part being of sufficient length to cause said outer shelf part to engage and slid on said pivotal corner during initial rotation of said adjacent panel about said male loop and thereby enforce snug interfitting of said male loop into said female loop during continued rotation of said adjacent panel to its fully assembled position and to undergird said first shelf part in said latter position to resist shear forces.
Claim 2
Dependent Claim
266 words
A building panel having complementary joint-forming marginal edge portions, A. the first of said edge portions having 1. a first shelf part substantially parallel to the plane of the panel, 2. a first flange extending outwardly from the outer edge of said shelf part and forming a pivotal corner therewith, and 3. a male terminal loop on said first flange, B. said complementary edge portion having 1. inner and outer shelf parts and 2. a connecting part forming a ''''U'''' with legs substantially parallel to the plane of the panel, 3. a second flange extending outwardly at substantially 90* from the reentrant edge of said outer shelf part, and 4. a female terminal loop on said second flange overlying said outer shelf part, C. said male terminal loop being of a width sufficient to snugly fit within the female terminal loop of an adjacent similar panel, and D. there being sufficient space between the extremity of said complementary female loop and said outer shelf part to receive said male terminal loop therebetween for engaging said second flange when said adjacent panel is moved edgewise toward siad first panel, E. said first flange and said outer shelf part being of sufficient length to cause said outer shelf part to engage and slid on said pivotal corner during initial rotation of said adjacent panel about said male loop and thereby enforce snug interfitting of said male loop into said female loop during continued rotation of said adjacent panel to its fully assembled position and to undergird said first shelf part in said latter position to resist shear forces.
Claim 3
Dependent Claim
20 words
a first flange extending outwardly from the outer edge of said shelf part and forming a pivotal corner therewith, and
Claim 4
Dependent Claim
20 words
a first flange extending outwardly from the outer edge of said shelf part and forming a pivotal corner therewith, and
Claim 5
Dependent Claim
16 words
a connecting part forming a ''''U'''' with legs substantially parallel to the plane of the panel,
Claim 6
Dependent Claim
16 words
a connecting part forming a ''''U'''' with legs substantially parallel to the plane of the panel,
Claim 7
Dependent Claim
14 words
a male terminal loop on said first flange, B. said complementary edge portion having
Claim 8
Dependent Claim
14 words
a male terminal loop on said first flange, B. said complementary edge portion having
Claim 9
Dependent Claim
18 words
a second flange extending outwardly at substantially 90* from the reentrant edge of said outer shelf part, and
Claim 10
Dependent Claim
18 words
a second flange extending outwardly at substantially 90* from the reentrant edge of said outer shelf part, and
Claim 11
Dependent Claim
156 words
a female terminal loop on said second flange overlying said outer shelf part, C. said male terminal loop being of a width sufficient to snugly fit within the female terminal loop of an adjacent similar panel, and D. there being sufficient space between the extremity of said complementary female loop and said outer shelf part to receive said male terminal loop therebetween for engaging said second flange when said adjacent panel is moved edgewise toward siad first panel, E. said first flange and said outer shelf part being of sufficient length to cause said outer shelf part to engage and slid on said pivotal corner during initial rotation of said adjacent panel about said male loop and thereby enforce snug interfitting of said male loop into said female loop during continued rotation of said adjacent panel to its fully assembled position and to undergird said first shelf part in said latter position to resist shear forces.
Claim 12
Dependent Claim
156 words
a female terminal loop on said second flange overlying said outer shelf part, C. said male terminal loop being of a width sufficient to snugly fit within the female terminal loop of an adjacent similar panel, and D. there being sufficient space between the extremity of said complementary female loop and said outer shelf part to receive said male terminal loop therebetween for engaging said second flange when said adjacent panel is moved edgewise toward siad first panel, E. said first flange and said outer shelf part being of sufficient length to cause said outer shelf part to engage and slid on said pivotal corner during initial rotation of said adjacent panel about said male loop and thereby enforce snug interfitting of said male loop into said female loop during continued rotation of said adjacent panel to its fully assembled position and to undergird said first shelf part in said latter position to resist shear forces.
References Cited (Backward Citations)
US1406980A
Cited
US3143828A
Cited
US3462906A
Cited
US3394515A
Cited
US3606718A
Cited
US3733767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-08-11 | 1979-02-10 | 1979-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-11 | 1983-02-10 | 1983-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-11 | 1987-02-10 | 1987-08-12 | $7700.00 | Window Closed / Lapsed |