US4007831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridges containing self-setting mixes
Assignee: Individual
•
Filing: 1975-10-08
•
Granted: 1977-02-15
•
Expires: 1995-10-08
Abstract
Abstract A cartridge containing the inter-active components of a resin mix such as a polyester, epoxy or polyurethane, comprises tubular flexible containers, each containing an interactive component, the containers being sealed to prevent egress of their contents, the containers lying in side-by-side relation and preferably secured together by an adhesive such as a double sided adhesive tape.
Inventors
- 👤 Frederick William Bernhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:49
CPC Classifications
F; F16; F16B; F16B13/00; F16B13/14; F16B13/141; F16B13/143; F16B13/144; E; E21; E21D; E21D20/00; E21D20/02; E21D20/025; E21D20/026
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
121 words
A cartridge containing first and second inter-active components of a self-setting mix, said cartridge comprising a first container filled with a first component of said self-setting mix so that first container assumes a generally circular cross-sectional shape, said cartridge further comprising a second container partially filled with a second component of said self-setting mix such that said partially filled second container assumes a generally convex outer surface and a generally concave inner surface, said containers extending longitudinally and lying in a side-by-side relationship, said second container being formed into a generally convexo-concave shape with said second container being positioned against a circumferential portion of said first container and adhesive means contacting said containers to join said containers to form a cartridge.
Claim 2
Dependent Claim
121 words
A cartridge containing first and second inter-active components of a self-setting mix, said cartridge comprising a first container filled with a first component of said self-setting mix so that first container assumes a generally circular cross-sectional shape, said cartridge further comprising a second container partially filled with a second component of said self-setting mix such that said partially filled second container assumes a generally convex outer surface and a generally concave inner surface, said containers extending longitudinally and lying in a side-by-side relationship, said second container being formed into a generally convexo-concave shape with said second container being positioned against a circumferential portion of said first container and adhesive means contacting said containers to join said containers to form a cartridge.
Claim 3
Dependent Claim
13 words
The cartridge of claim 1 wherein said adhesive means is an adhesive tape.
Claim 4
Dependent Claim
19 words
The cartridge of claim 2 wherein said adhesive tape is a double side adhesive tape interposed between said containers.
Claim 5
Dependent Claim
111 words
A cartridge containing inter-active components of a self-setting mix, said cartridge comprising a first container filled with a first component of self-setting mix, said cartridge further comprising a second container partially filled with a second component of a self-setting mix, said containers extending longitudinally, each of said containers being sealed at both ends, said containers lying in a side-by-side relationship and secured together to form a cartridge, said first container being filled to assume a generally circular cross-sectional shape and said second container being partially filled to have a generally convex outer surface and a generally concave inner surface in contact with said first container when placed in said side-by-side relationship.
Claim 6
Dependent Claim
111 words
A cartridge containing inter-active components of a self-setting mix, said cartridge comprising a first container filled with a first component of self-setting mix, said cartridge further comprising a second container partially filled with a second component of a self-setting mix, said containers extending longitudinally, each of said containers being sealed at both ends, said containers lying in a side-by-side relationship and secured together to form a cartridge, said first container being filled to assume a generally circular cross-sectional shape and said second container being partially filled to have a generally convex outer surface and a generally concave inner surface in contact with said first container when placed in said side-by-side relationship.
Claim 7
Dependent Claim
17 words
The cartridge of claim 4 including adhesive means interposed between said first container and said second container.
Claim 8
Dependent Claim
13 words
The cartridge of claim 5 wherein said adhesive means is an adhesive tape.
Claim 9
Dependent Claim
15 words
The cartridge of claim 6 wherein said adhesive tape is a double sided adhesive tape.
Claim 10
Dependent Claim
15 words
The cartridge of claim 7 wherein said adhesive tape is a double sided adhesive tape.
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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) | 1980-02-15 | 1980-08-16 | 1981-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-02-15 | 1984-08-16 | 1985-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-02-15 | 1988-08-16 | 1989-02-15 | $7700.00 | Window Closed / Lapsed |