US3868805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double glazing unit
Assignee: USM Corp
•
Filing: 1973-05-24
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Granted: 1975-03-04
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Expires: 1993-05-24
Abstract
Abstract Double glazing unit in which a spacer is disposed between two panes of glass leaving a channel between an outer face of the spacer and marginal portions of the panes, resinous material applied in hot molten condition seals the joints between the spacer and panes to adhere to the panes and extend from one pane to the other and the resinous material when cooled to solidify it holds the panes strongly together in spaced, sealed relationship.
Inventors
- 👤 William R Battersby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/673; E06B3/67339; E06B3/67343; E06B3/663; E06B3/66309; E06B3/66342; E06B3/67347; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24174; Y10T428/24182
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
139 words
AN INPROVED DOUBLE GLAZING UNIT COMPRISING A SPACER, PANES OF GLASS ON OPPOSITE SIDES OF SAID SPACER, THE SPACER BEING SPACED INWARDLY FROM THE EDGES OF SAID PANES TO FORM A CHANNEL DEFINED BY THE OUTER FACE OF SAID SPACER AND THE SURFACES OF SAID PANELS IN THE AREA FROM THE SPACER TO THE EDGES OF SAID PANES, SAID SPACER BEING OF GENERALLY RECTANGUALR CROSSSECTION INCLUDING OPPOSED SURFACES FITTING SNUGLY AGAINST THE INNER SURFACES OF SAID PANES TO THE RESIST PASSAGE OF MATERIAL, A BODY OF SOLIDIFIED STIFF RESILIENT THERMOPLASTIC RESINOUS MATERIAL CAST FROM MOLTEN STATE IN SAID CHANNEL WITH MARGINAL EDGE PORTIONS OF SAID PANES EXTENDING BEYOND SAID BODY OF RESINOUS MATERIAL, SAID BODY HAVING FIRST PORTIONS ADJACENT SAID PANES AND STRONGLY ADHERENT TO SAID PANES AND HAVING AN INTERCONNECTING WEB PORTION EXTENDING BETWEEN AND JOINING SAID FIRST
Claim 2
Dependent Claim
139 words
AN INPROVED DOUBLE GLAZING UNIT COMPRISING A SPACER, PANES OF GLASS ON OPPOSITE SIDES OF SAID SPACER, THE SPACER BEING SPACED INWARDLY FROM THE EDGES OF SAID PANES TO FORM A CHANNEL DEFINED BY THE OUTER FACE OF SAID SPACER AND THE SURFACES OF SAID PANELS IN THE AREA FROM THE SPACER TO THE EDGES OF SAID PANES, SAID SPACER BEING OF GENERALLY RECTANGUALR CROSSSECTION INCLUDING OPPOSED SURFACES FITTING SNUGLY AGAINST THE INNER SURFACES OF SAID PANES TO THE RESIST PASSAGE OF MATERIAL, A BODY OF SOLIDIFIED STIFF RESILIENT THERMOPLASTIC RESINOUS MATERIAL CAST FROM MOLTEN STATE IN SAID CHANNEL WITH MARGINAL EDGE PORTIONS OF SAID PANES EXTENDING BEYOND SAID BODY OF RESINOUS MATERIAL, SAID BODY HAVING FIRST PORTIONS ADJACENT SAID PANES AND STRONGLY ADHERENT TO SAID PANES AND HAVING AN INTERCONNECTING WEB PORTION EXTENDING BETWEEN AND JOINING SAID FIRST
Claim 3
Dependent Claim
54 words
The double glazing unit as defined in claim 1 in which said spacer is formed with inset portions at its outer faces cooperating with the surfaces of said panes to form recesses therebetween and soft, permanently deformable sealing material filling said recesses to provide increased area of sealing between said spacer and said panes.
Claim 4
Dependent Claim
19 words
The double glazing unit as defined in claim 2 in which said deformable sealing material is a preformed strip.
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) | 1978-03-03 | 1978-09-02 | 1979-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-03 | 1982-09-02 | 1983-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-03 | 1986-09-02 | 1987-03-04 | $7700.00 | Window Closed / Lapsed |