US3192569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding articles of plastic
Assignee: Individual
•
Filing: 1962-07-10
•
Granted: 1965-07-06
•
Expires: 1982-07-10
Abstract
No abstract record available.
Inventors
- 👤 Knabel Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:55
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/18; B29C43/006; B29C43/16; B29C43/32; B29C43/36; B29C43/361; B29C70/00; B29C70/68; B29C2043/3615; B29K; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A MOLDING APPARATUS FOR PRODUCING THIN-WALLED PLASTIC ARTICLES, COMPRISING COMPLEMENTARY MOLD PARTS ADAPTED TO DEFINE A MOLD CAVITY BETWEEN THEM, SAID MOLD PARTS BEING FORMED WITH A PAIR OF ALIGNED AUXILIARY CHAMBERS ON OPPOSITE SIDES OF SAID CAVITY AND DIRECTLY ADJACENT TO IT AND IN COMMUNICATION WITH THE, SAID MOLD PARTS INCLUDING PLUNGERS EXTENDING INTO AND MOVABLE WITHIN SAID CHAMBERS RESPECTIVELY, SAID PLUNGERS BEING MOVABLE TOWARD AND AWAY FROM EACH OTHER AND ADAPTED TO ACCOMMODATE BETWEEN THEM A MEASURED CHARGE OF RAW PLASTIC MATERIAL IN PARTICULATE FORM, AND EACH PLUNGER BEING PROVIDED WITH AN EXTERIORLY EXPOSED HEAD ADAPTED TO WITHSTAND A MASSIVE SUDDEN IMPACT EFFECTIVE TO MOVE SAID PLUNGERS TOWARD EACH OTHER SO SUDDENLY AND WITH SUCH FORCE THAT THE CHARGE OF PARTICULATE MATERIAL CAN BE INSTANTANEOUSLY REDUCED TO A MOLTEN FLOWABLE CONDITION.
Claim 2
Dependent Claim
133 words
A MOLDING APPARATUS FOR PRODUCING THIN-WALLED PLASTIC ARTICLES, COMPRISING COMPLEMENTARY MOLD PARTS ADAPTED TO DEFINE A MOLD CAVITY BETWEEN THEM, SAID MOLD PARTS BEING FORMED WITH A PAIR OF ALIGNED AUXILIARY CHAMBERS ON OPPOSITE SIDES OF SAID CAVITY AND DIRECTLY ADJACENT TO IT AND IN COMMUNICATION WITH THE, SAID MOLD PARTS INCLUDING PLUNGERS EXTENDING INTO AND MOVABLE WITHIN SAID CHAMBERS RESPECTIVELY, SAID PLUNGERS BEING MOVABLE TOWARD AND AWAY FROM EACH OTHER AND ADAPTED TO ACCOMMODATE BETWEEN THEM A MEASURED CHARGE OF RAW PLASTIC MATERIAL IN PARTICULATE FORM, AND EACH PLUNGER BEING PROVIDED WITH AN EXTERIORLY EXPOSED HEAD ADAPTED TO WITHSTAND A MASSIVE SUDDEN IMPACT EFFECTIVE TO MOVE SAID PLUNGERS TOWARD EACH OTHER SO SUDDENLY AND WITH SUCH FORCE THAT THE CHARGE OF PARTICULATE MATERIAL CAN BE INSTANTANEOUSLY REDUCED TO A MOLTEN FLOWABLE CONDITION.
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |