Patent US4695241A successfully refreshed from Google Patents.
US4695241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dip mold and process
Assignee: Sinclair and Rush Inc
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Filing: 1986-01-24
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Granted: 1987-09-22
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Expires: 2006-01-24
Abstract
Abstract A dip mold for forming a part from plastisol which part has an integral internal member. The dip mold has an internal cavity in its free end to form said internal member and the cavity is vented by a lateral passage to the outside face of the mold to allow air in the cavity to escape and the internal molded part to be formed.
Inventors
- 👤 Joseph J. Ventimiglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:48
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; B29C33/00; B29C33/10; B29C41/34; B29C41/38; B29C41/40; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
38 words
A one piece dip mold having a longitudinal body with an outer wall and an internal cavity open at one end and vent passage means extending laterally from the internal cavity to the outer wall of the mold.
Claim 2
Dependent Claim
38 words
A one piece dip mold having a longitudinal body with an outer wall and an internal cavity open at one end and vent passage means extending laterally from the internal cavity to the outer wall of the mold.
Claim 3
Dependent Claim
53 words
The dip mold of claim 1 wherein the longitudinal body is connected at one end to a mold mandrel and has a second free end extending away from the mandrel, the said open end of said internal cavity being at the said free end and the cavity extends inwardly longitudinally into said body.
Claim 4
Dependent Claim
23 words
The dip mold of claim 2 wherein the said vent passage means connects to the cavity at its innermost terminus in the body.
Claim 5
Dependent Claim
65 words
A dip mold having a longitudinal body having an outside wall and an internal longitudinal cavity open at one end of said body and vent passage means venting the internal cavity to the outside wall of the mold, the vent passage extending laterally with respect to the center line of the cavity from the terminus of the cavity to the outside wall of the mold.
Claim 6
Dependent Claim
65 words
A dip mold having a longitudinal body having an outside wall and an internal longitudinal cavity open at one end of said body and vent passage means venting the internal cavity to the outside wall of the mold, the vent passage extending laterally with respect to the center line of the cavity from the terminus of the cavity to the outside wall of the mold.
References Cited (Backward Citations)
DE1112827B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-09-21 | 1991-03-23 | 1991-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-09-21 | 1995-03-23 | 1995-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-09-21 | 1999-03-23 | 1999-09-22 | $7700.00 | Window Closed / Lapsed |