Patent US3689613A successfully refreshed from Google Patents.
US3689613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glove making
Assignee: Individual
•
Filing: 1970-11-02
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Granted: 1972-09-05
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Expires: 1990-11-02
Abstract
Abstract A process for manufacturing latex gloves which includes coating a form with coagulant solution, thence coating the coagulant dipped form with latex followed by exposing the latex dipped form to carbon dioxide to harden the deposit thereon, thence washing such coated form, and thence curing such deposit on such form.
Inventors
- 👤 Anselm Talalay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:06
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; B29D; B29D99/00; B29D99/0064; B29D99/0067; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/48; B29L2031/4842; B29L2031/4864
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
34 words
The method of making a latex rubber article as set forth in claim 1, wherein said exposing of the moist outer surface of said latex coating is to an atmosphere of carbon dioxide gas.
Claim 2
Independent Claim
149 words
The method of making a latex rubber glove, comprising the steps of dipping a glove form into a latex rubber coagulant solution to deposit a coating of said coagulant upon said form, dipping said solution coated glove form into liquid latex rubber to deposit a coating of said latex upon said coagulant coated glove form and to cause a coagulating action on said latex coating progressing from the inner surface outwardly into said latex coating; exposing said moist latex coating outer surface to an atmosphere of coagulating acid gas to provide a coagulating action on said latex coating that progresses from the outer surface into said latex coating; washing said latex coating on said glove form to remove the salt product of the coagulating action, vulcanizing said latex coating on said glove form to form a cured rubber glove; and removing said cured rubber glove from said glove form.
Claim 3
Dependent Claim
37 words
The method of making a latex rubber glove as set forth in claim 3, wherein said exposing of said moist latex coated glove form to a coagulating acid gas is to an atmosphere of carbon dioxide gas.
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |