US3751792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a welded joint construction
Assignee: GAZER CORP
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Filing: 1971-06-23
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Granted: 1973-08-14
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Expires: 1991-06-23
Abstract
Abstract A welded joint construction for tubular members and a method of welding the same whereby a horizontal member of substantially rectangular cross section is radially notched to partially accommodate a vertically oriented cylindrical member having an outside diameter approximately equal to the inside width of the rectangular member whereafter the cylindrical member is positioned within the partially accommodating notched portion of the rectangular member and the vertical edges of the rectangular member are welded to the face of the cylindrical member juxtaposed thereto.
Inventors
- 👤 P Frakes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:54
CPC Classifications
F; F16; F16B; F16B7/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
111 words
A method of structurally joining a first member of rectangular cross section with a cylindrical member comprising the steps of providing a curved notch in two opposing edge portions of said rectangular member sufficient to accomodate a portion of the outside curved surface of said Cylindrical member, positioning said cylindrical member within the circularly notched portions of said rectangular member such that only the curved notched portions of said rectangular member are in contact with said cylindrical member, the two other opposing surfaces of said rectangular member being juxtaposed to but separated from the outer surface of said cylindrical member, and welding along the unnotched edge portions of said rectangular member.
Claim 2
Independent Claim
111 words
A method of structurally joining a first member of rectangular cross section with a cylindrical member comprising the steps of providing a curved notch in two opposing edge portions of said rectangular member sufficient to accomodate a portion of the outside curved surface of said Cylindrical member, positioning said cylindrical member within the circularly notched portions of said rectangular member such that only the curved notched portions of said rectangular member are in contact with said cylindrical member, the two other opposing surfaces of said rectangular member being juxtaposed to but separated from the outer surface of said cylindrical member, and welding along the unnotched edge portions of said rectangular member.
Claim 3
Dependent Claim
16 words
The method of claim 1 wherein said member of rectangular cross-section comprises a hollow tubular member.
Claim 4
Dependent Claim
16 words
The method of claim 1 wherein said member of circular cross-section comprises a hollow cylindrical member.
Claim 5
Dependent Claim
38 words
The method of claim 1 wherein said member of circular cross-section has an outside diameter which is less than the width of said member of rectangular cross-section by approximately two times the wall thickness of said rectangular member.
Claim 6
Dependent Claim
22 words
The method of claim 1 wherein the curved notching of said rectangular member is performed by means of a curved notching die.
Claim 7
Dependent Claim
86 words
The method of claim 5 wherein the curved notching die is positioned with respect to the one end of said rectangular member such that a less than semi-circular curved notch is produced in said rectangular member whereafter said cylindrical member is positioned within the notched portion of said rectangular member such that said curved notch portion of said rectangular member contacts the wall of said cylindrical member the unnotched edge portion of said rectangular member being separated from said cylindrical member by a slight air gap.
Claim 8
Dependent Claim
41 words
The method of claim 1 wherein the angle formed by the free edge portion of said notched rectangular member relative to the cooperating portion of said cylindrical member is on the order of ninety degrees thus forming an ideal weld joint.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |