US4640065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural member
Assignee: Owens Corning Fiberglas Technology Inc
•
Filing: 1985-10-07
•
Granted: 1987-02-03
•
Expires: 2005-10-07
Abstract
Abstract Core material of shaped glass fiber board is impregnated with resin in outer surface portions, the resin is cured, an additional resin casing is formed therearound, and the additional resin is cured. Glass strands may be included with the resin impregnation, and a continuous strand mat, a veil mat, and glass rovings may be included with the resin encasing.
Inventors
- 👤 Ronald R. Harris
- 👤 Russell L. Ault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:15
CPC Classifications
B; B32; B32B; B32B38/00; B32B38/08; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/08; B29C70/086; B29C70/28; B29C70/40; B29C70/50; B29C70/52; B29C70/523; B29C70/525; B29D; B29D99/00; B29D99/0003; E; E06; E06B; E06B3/00; E06B3/04; E06B3/06; E06B3/08; E06B3/20; E06B3/205; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B29K2105/10; B29K2105/101
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
117 words
A lineal structural member comprising an elongate glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid resin in addition to the binder and the resin being cured, and a separately applied and cured hardenable liquid resin casing surrounding and being integral with and bonded to the resin-impregnated outer surface portions of the core.
Claim 2
Dependent Claim
117 words
A lineal structural member comprising an elongate glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid resin in addition to the binder and the resin being cured, and a separately applied and cured hardenable liquid resin casing surrounding and being integral with and bonded to the resin-impregnated outer surface portions of the core.
Claim 3
Dependent Claim
17 words
A lineal structural member as claimed in claim 1 including a reinforcing mat in the resin casing.
Claim 4
Dependent Claim
19 words
A lineal structural member as claimed in claim 2 wherein the reinforcing mat is a continuous glass strand mat.
Claim 5
Dependent Claim
22 words
A lineal structural member as claimed in claim 1 including a finish mat in an outer surface portion of the resin casing.
Claim 6
Dependent Claim
21 words
A lineal structural member as claimed in claim 4 including a reinforcing mat in the resin casing inside the finish mat.
Claim 7
Dependent Claim
19 words
A lineal structure member as claimed in claim 5 wherein the reinforcing mat is a continuous glass strand mat.
Claim 8
Dependent Claim
143 words
A window comprising a generally rectangular frame and a generally rectangular sash therein, the frame and sash each having straight top, bottom, and opposite side members, each of said members including an elongate glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid resin in addition to the binder and the resin being cured, and a separately applied and cured hardenable liquid resin casing surrounding and being integral with the bonded to the resin-impregnated outer surface portions of the core.
Claim 9
Dependent Claim
143 words
A window comprising a generally rectangular frame and a generally rectangular sash therein, the frame and sash each having straight top, bottom, and opposite side members, each of said members including an elongate glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid resin in addition to the binder and the resin being cured, and a separately applied and cured hardenable liquid resin casing surrounding and being integral with the bonded to the resin-impregnated outer surface portions of the core.
Claim 10
Dependent Claim
20 words
A window as claimed in claim 7 wherein each of said members includes a reinforcing mat in the resin casing.
Claim 11
Dependent Claim
17 words
A window as claimed in claim 8 wherein the reinforcing mat is a continuous glass strand mat.
Claim 12
Dependent Claim
25 words
A window as claimed in claim 7 wherein each of said members includes a finish mat in an outer surface portion of the resin casing.
Claim 13
Dependent Claim
24 words
A window as claimed in claim 10 wherein each of said members includes a reinforcing mat in the resin casing inside the finish mat.
Claim 14
Dependent Claim
17 words
A window as claimed in claim 11 wherein the reinforcing mat is a continuous glass strand mat.
Claim 15
Dependent Claim
128 words
A window sash comprising straight top, bottom, and opposite side members, each of said members including an elongate glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid resin in addition to the binder and ther resin being cured, and a separately applied and cured hardenable liquid resin casing surrounding and being integral with and bonded to the resin-impregnated outer surface portions of the core.
Claim 16
Dependent Claim
128 words
A window sash comprising straight top, bottom, and opposite side members, each of said members including an elongate glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid resin in addition to the binder and ther resin being cured, and a separately applied and cured hardenable liquid resin casing surrounding and being integral with and bonded to the resin-impregnated outer surface portions of the core.
Claim 17
Dependent Claim
21 words
A window sash as claimed in claim 13 wherein each of the members includes a reinforcing mat in the resin casing.
Claim 18
Dependent Claim
18 words
A window sash as claimed in claim 14 wherein the reinforcing mat is a continuous glass strand mat.
Claim 19
Dependent Claim
26 words
A window sash as claimed in claim 13 wherein each of the members includes a finish mat in an outer surface portion of the resin casing.
Claim 20
Dependent Claim
25 words
A window sash as claimed in claim 16 wherein each of the members includes a reinforcing mat in the resin casing inside the finish mat.
Claim 21
Dependent Claim
18 words
A window sash as claimed in claim 17 wherein the reinforcing mat is a continuous glass strand mat.
Claim 22
Dependent Claim
131 words
A window frame comprising straight top, bottom, and opposite side members, each of said members including an elongated glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid polyester resin in addition to the binder and the resin being cured, and a separately applied and cured hardenable liquid polyester resin casing surrounding and being integral with and bonded to the polyester resin-impregrnated outer surface portions of the core.
Claim 23
Dependent Claim
131 words
A window frame comprising straight top, bottom, and opposite side members, each of said members including an elongated glass wool core particularly formed as one of a plurality of cores provided by the cutting of an elongate binder-containing glass wool board of predetermined thickness longitudinally into a plurality of glass wool cores of a predetermined cross-sectional size, said core having outer longitudinal portions removed to provide the core with a predetermined cross-sectional shape, outer surface portions all the way around the periphery of the core being impregnated with a hardenable liquid polyester resin in addition to the binder and the resin being cured, and a separately applied and cured hardenable liquid polyester resin casing surrounding and being integral with and bonded to the polyester resin-impregrnated outer surface portions of the core.
Claim 24
Dependent Claim
22 words
A window frame as claimed in claim 19 wherein each of said members includes a reinforcing mat in the polyester resin casing.
Claim 25
Dependent Claim
17 words
A window frame as claimed in claim 20 wherein the reinforcing mat is a continuous strand mat.
Claim 26
Dependent Claim
27 words
A window frame as claimed in claim 19 wherein each of said members include a finish mat in an outer surface portion of the polyester resin casing.
Claim 27
Dependent Claim
26 words
A window frame as claimed in claim 22 wherein each of said members includes a reinforcing mat in the polyester resin casing inside the finish mat.
Claim 28
Dependent Claim
17 words
A window frame as claimed in claim 23 wherein the reinforcing mat is a continuous strand mat.
References Cited (Backward Citations)
CH40410A
Cited
US1214185A
Cited
US2120783A
Cited
US2782465A
Cited
US3087207A
Cited
US2948649A
Cited
US3448489A
Cited
US3262723A
Cited
US3518157A
Cited
DE1659430A1
Cited
US3574104A
Cited
US3692340A
Cited
US3922425A
Cited
US3783066A
Cited
US4057936A
Cited
US4463043A
Cited
US4553364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-02-02 | 1990-08-04 | 1991-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-02 | 1994-08-04 | 1995-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-02 | 1998-08-04 | 1999-02-03 | $7700.00 | Window Closed / Lapsed |