US3743467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold assembly to form a container
Assignee: Individual
•
Filing: 1971-03-01
•
Granted: 1973-07-03
•
Expires: 1991-03-01
Abstract
Abstract A mold assembly is provided for forming a container with an inner channel in the wall of the container, which assembly includes a mold having an interior molding cavity and a passageway passing through at least one walled surface thereof, and an elongated core removably positioned in the passageway with a portion thereof extending into the interior molding cavity.
Inventors
- 👤 A Norvaldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:39
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/54; B29C49/4802; B29C2049/542; B29C2049/546; B29C65/00; B29C65/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
128 words
An assembly for simultaneously forming a container with an inner channel in the wall of the container; said assembly comprising; a mold, said mold having an interior molding cavity therein, and said mold being of generally cylindrical shape having top and bottom walls and a cylindrical side wall; said mold having a passageway extending through one of said top or bottom wall, one end communicating with the exterior of said mold and the other end of said passageway communicating with said interior molding cavity away from said cylindrical wall, an elongated core removably positioned in said passageway with a portion thereof extending into said interior molding cavity adjacent said cylindrical side wall and extending substantially the entire length of said cylindrical side wall for forming said inner channel.
Claim 2
Dependent Claim
128 words
An assembly for simultaneously forming a container with an inner channel in the wall of the container; said assembly comprising; a mold, said mold having an interior molding cavity therein, and said mold being of generally cylindrical shape having top and bottom walls and a cylindrical side wall; said mold having a passageway extending through one of said top or bottom wall, one end communicating with the exterior of said mold and the other end of said passageway communicating with said interior molding cavity away from said cylindrical wall, an elongated core removably positioned in said passageway with a portion thereof extending into said interior molding cavity adjacent said cylindrical side wall and extending substantially the entire length of said cylindrical side wall for forming said inner channel.
Claim 3
Dependent Claim
20 words
The assembly of claim 1 wherein said mold is formed of two semi-cylindrical half portions removably joined to one another.
Claim 4
Dependent Claim
62 words
The assembly of claim 1 wherein said passageway is located at a predetermined position in said one walled portion such that said portion of said core will be spaced from the interior surface of said second walled portion by a distance corresponding to the thickness of the wall of the container to be molded in the interior molding cavity of said mold.
Claim 5
Dependent Claim
25 words
The assembly of claim 1 wherein one end of said core is pointed to facilitate the insertion and removal of said core from said passageway.
References Cited (Backward Citations)
US1337618A
Cited
US2331630A
Cited
US3058153A
Cited
US3538543A
Cited
US3534435A
Cited
US3507942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |