Patent US3878660A successfully refreshed from Google Patents.
US3878660A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Section frame with thermal insulation between the inner and outer frame section
Assignee: GOETZ ENTWICKLUNG AND LIZENZ GmbH
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Filing: 1973-04-09
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Granted: 1975-04-22
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Expires: 1993-04-09
Abstract
Abstract The invention concerns section frames with thermal insulation between the inner and outer frame section each of which is provided with pairs of opposite section grooves opening out at right angles to the plane of the frame, whereby section lugs pertaining to insulation sections connecting the frame sections with one another and clamped in the direction of the section grooves engage the said section grooves.
Inventors
- 👤 Gernot Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:28
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/62; E06B3/6205; E06B3/04; E06B3/263; E06B3/26301; E06B3/26305; E06B3/26307; E06B2003/26349; E06B2003/26369; E06B2003/2637; E06B2003/26374; E06B2003/6217; E06B2003/6223; E06B2003/6226; E06B2003/6238; E06B2003/6247; Y; Y10; Y10S; Y10S49/00; Y10S49/01
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
363 words
An insulating frame comprising: inner frame means, said inner frame means being provided with a planar side wall portion and at least a first projection extending outwardly therefrom, said first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said side wall portion to define a first open groove between said projection and said inner frame means side wall portion; outer frame means, said outer frame means being provided with a planar side wall portion and at least a first projection extending inwardly therefrom toward said inner frame means, said outer frame means first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said outer frame means side wall portion to define a second open groove between said projection and said outer frame means side wall portion, said first and second grooves facing in the same direction, the said first projections of said inner and outer frame means being generally aligned with and spaced apart from one another; insulating means structurally interconnecting said inner and outer frame means, said insulating means including a bridging portion having end flanges extending generally transversely from tHe opposite ends thereof in a direction opposite to the facing direction of said grooves and engaging said first and second grooves, said insulating means further including an anchoring portion integral with said bridging portion, said anchoring portion extending from said bridging portion intermediate said inner and outer frame means and in a direction generally parallel to said planar side walls of said inner and outer frame means, said anchoring portion being provided with at least a first shoulder adjacent the end thereof disposed away from said bridging portion; and projection means integral with and extending from one of said inner and outer frame means, said projection means having a free end, said projection means engaging said first shoulder of said insulating means anchoring portion and loading said bridging portion in a direction to urge said end flanges into said grooves whereby said insulating means flanges are retained in engagement with said frame means grooves.
Claim 2
Dependent Claim
363 words
An insulating frame comprising: inner frame means, said inner frame means being provided with a planar side wall portion and at least a first projection extending outwardly therefrom, said first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said side wall portion to define a first open groove between said projection and said inner frame means side wall portion; outer frame means, said outer frame means being provided with a planar side wall portion and at least a first projection extending inwardly therefrom toward said inner frame means, said outer frame means first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said outer frame means side wall portion to define a second open groove between said projection and said outer frame means side wall portion, said first and second grooves facing in the same direction, the said first projections of said inner and outer frame means being generally aligned with and spaced apart from one another; insulating means structurally interconnecting said inner and outer frame means, said insulating means including a bridging portion having end flanges extending generally transversely from tHe opposite ends thereof in a direction opposite to the facing direction of said grooves and engaging said first and second grooves, said insulating means further including an anchoring portion integral with said bridging portion, said anchoring portion extending from said bridging portion intermediate said inner and outer frame means and in a direction generally parallel to said planar side walls of said inner and outer frame means, said anchoring portion being provided with at least a first shoulder adjacent the end thereof disposed away from said bridging portion; and projection means integral with and extending from one of said inner and outer frame means, said projection means having a free end, said projection means engaging said first shoulder of said insulating means anchoring portion and loading said bridging portion in a direction to urge said end flanges into said grooves whereby said insulating means flanges are retained in engagement with said frame means grooves.
Claim 3
Dependent Claim
363 words
An insulating frame comprising: inner frame means, said inner frame means being provided with a planar side wall portion and at least a first projection extending outwardly therefrom, said first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said side wall portion to define a first open groove between said projection and said inner frame means side wall portion; outer frame means, said outer frame means being provided with a planar side wall portion and at least a first projection extending inwardly therefrom toward said inner frame means, said outer frame means first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said outer frame means side wall portion to define a second open groove between said projection and said outer frame means side wall portion, said first and second grooves facing in the same direction, the said first projections of said inner and outer frame means being generally aligned with and spaced apart from one another; insulating means structurally interconnecting said inner and outer frame means, said insulating means including a bridging portion having end flanges extending generally transversely from tHe opposite ends thereof in a direction opposite to the facing direction of said grooves and engaging said first and second grooves, said insulating means further including an anchoring portion integral with said bridging portion, said anchoring portion extending from said bridging portion intermediate said inner and outer frame means and in a direction generally parallel to said planar side walls of said inner and outer frame means, said anchoring portion being provided with at least a first shoulder adjacent the end thereof disposed away from said bridging portion; and projection means integral with and extending from one of said inner and outer frame means, said projection means having a free end, said projection means engaging said first shoulder of said insulating means anchoring portion and loading said bridging portion in a direction to urge said end flanges into said grooves whereby said insulating means flanges are retained in engagement with said frame means grooves.
Claim 4
Dependent Claim
363 words
An insulating frame comprising: inner frame means, said inner frame means being provided with a planar side wall portion and at least a first projection extending outwardly therefrom, said first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said side wall portion to define a first open groove between said projection and said inner frame means side wall portion; outer frame means, said outer frame means being provided with a planar side wall portion and at least a first projection extending inwardly therefrom toward said inner frame means, said outer frame means first projection having a part extending generally parallel to and spaced from said inner frame means planar side wall portion and cooperating with said outer frame means side wall portion to define a second open groove between said projection and said outer frame means side wall portion, said first and second grooves facing in the same direction, the said first projections of said inner and outer frame means being generally aligned with and spaced apart from one another; insulating means structurally interconnecting said inner and outer frame means, said insulating means including a bridging portion having end flanges extending generally transversely from tHe opposite ends thereof in a direction opposite to the facing direction of said grooves and engaging said first and second grooves, said insulating means further including an anchoring portion integral with said bridging portion, said anchoring portion extending from said bridging portion intermediate said inner and outer frame means and in a direction generally parallel to said planar side walls of said inner and outer frame means, said anchoring portion being provided with at least a first shoulder adjacent the end thereof disposed away from said bridging portion; and projection means integral with and extending from one of said inner and outer frame means, said projection means having a free end, said projection means engaging said first shoulder of said insulating means anchoring portion and loading said bridging portion in a direction to urge said end flanges into said grooves whereby said insulating means flanges are retained in engagement with said frame means grooves.
Claim 5
Dependent Claim
36 words
The insulating frame of claim 1 wherein said end flanges on said bridging portion of said insulating means are provided with serrations which engage the walls of said grooves on said inner and outer frame means.
Claim 6
Dependent Claim
76 words
The apparatus of claim 1 wherein said inner and outer frame means are each provided with at least a second projection extending from said planar side wall portions in the same direction as said first projections to define longitudinal grooves opening in a direction opposite to that of the grooves defined by said first projections whereby the grooves defined by said second frame means projections may be structurally interconnected by a second of said insulating means.
Claim 7
Dependent Claim
60 words
The insulating frame of claim 3 further comprising: second projection means extending from one of said sides of said frame means, said second projection means being adapted to engage the anchoring portion first shoulder of a second insulating means to retain the flanges of a second insulating means in engagement with the frame means grooves defined by said second projections.
Claim 8
Dependent Claim
47 words
The apparatus of claim 1 wherein said insulating frame has an opening for a window section, and further including: a glazing section consisting of thermally-insulating material adjacent said frame opening, at least part of said glazing section abutting on one side directly against said outer frame means.
Claim 9
Dependent Claim
48 words
The apparatus of claim 5 wherein: said glazing section has integrally formed retaining elements connected to corresponding grooves of a casement frame, said glazing section being clamped between the said casement frame and said outer frame means when the window is closed thus forming a thermal insulation section.
Claim 10
Dependent Claim
52 words
The apparatus of claim 5 including: bracket means connected to said inner frame section means; and glazing bar means connected to said bracket means; said bracket means supporting a part of said glazing section, said glazing section together with the window being pressed against the outer frame means by said glazing bar.
Claim 11
Dependent Claim
14 words
The apparatus of claim 1 including: a longitudinal reinforcing strip in said insulating means.
Claim 12
Dependent Claim
31 words
The apparatus of claim 8 wherein: said reinforcing strip is in said bridging portion of said insulating means and extends with edge flanges into said end flanges of said insulating means.
Claim 13
Dependent Claim
14 words
The apparatus of claim 8 wherein said reinforcing strip is a perforated metal strip.
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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) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |