US3709640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for the production of moulded components from chemical components whch react quickly with one another
Assignee: Bayer AG
•
Filing: 1970-09-15
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Granted: 1973-01-09
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Expires: 1990-09-15
Abstract
Abstract For better put out of moulded articles which are manufactured from chemical components reacting quickly with one another, a moulding tool is used which is immediately connected with the mixing chamber for the components, wherein the separation plane of the moulding tool passes through the mixing chamber and the sprue directly adjoints the mixing chamber.
Inventors
- 👤 H Boden
- 👤 K Breer
- 👤 G Klessmann
- 👤 U Knipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:05
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/3442; B29B; B29B7/00; B29B7/74; B29B7/7471; B29C33/00; B29C33/0061; B29C33/0072; B29C67/00; B29C67/24; B29C67/246; Y; Y10; Y10S; Y10S366/00; Y10S366/604; Y10S521/00; Y10S521/917
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
16 words
Apparatus according to claim 1, said inlet nozzles being mounted in the wall of the mould.
Claim 2
Dependent Claim
14 words
Apparatus according to claim 2, wherein the sprue passageway diverges toward the mould cavity.
Claim 3
Dependent Claim
21 words
Apparatus according to claim 3, wherein a removable insert in the mould wall defines the diverging portion of the sprue passageway.
Claim 4
Dependent Claim
46 words
Apparatus according to claim 1, the sprue passageway including a turning portion for deflection of the components in the sprue passageway, a collecting pocket communicating with the turning portion for receiving and entraping the first portion of the mixture of components passing through the sprue passageway.
Claim 5
Dependent Claim
46 words
Apparatus according to claim 2, the sprue passageway including a turning portion for deflection of the components in the sprue passageway, a collecting pocket communicating with the turning portion for receiving and entraping the first portion of the mixture of components passing through the sprue passageway.
Claim 6
Dependent Claim
46 words
Apparatus according to claim 3, the sprue passageway including a turning portion for deflection of the components in the sprue passageway, a collecting pocket communicating with the turning portion for receiving and entraping the first portion of the mixture of components passing through the sprue passageway.
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) | 1976-01-09 | 1976-07-10 | 1977-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-09 | 1980-07-10 | 1981-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-09 | 1984-07-10 | 1985-01-09 | $7700.00 | Window Closed / Lapsed |