US4155533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for encapsulating a component having non-axial leads
Assignee: Kemet Electronics Corp
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Filing: 1977-12-20
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Granted: 1979-05-22
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Expires: 1997-12-20
Abstract
Abstract A mold comprising a pair of mold sections which when closed form separate communicating chambers for receiving a component body and a portion of a non-axial lead extending from the component body. Molten plastic introduced into the mold encapsulates the capacitor body while the plastic which surrounds the lead portion is readily detached from the lead portion.
Inventors
- 👤 Richard A. Lambrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:10
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/72; B29C45/00; B29C45/14; B29C45/14639; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
217 words
A mold for encapsulating a component with molten plastic which solidifies in situ in said mold, said component having a body and a non-axial lead substantially parallel to the axis of said body and extending from said body, said lead having a portion adjacent to said body, an elongate intermediate portion and a terminal portion remote from said body, said mold comprising a pair of mold halves which when closed form a groove for receiving the terminal portion of said lead and substantially sealably engaging the lead at the terminal portion thereof; a first chamber for receiving the intermediate lead portion, said first chamber being contiguous with said groove and having inner opposed surfaces formed by respective mold halves which define the depth of said first chamber for closely contacting the intermediate lead portion to provide support for the component in said mold and provide compartments in said first chamber on each side of the elongate intermediate lead portion; a second chamber having a depth greater than said first chamber for receiving the body; a passageway from said first chamber to said second chamber substantially in alignment with said groove to receive the lead portion adjacent to the body and provide a path for molten plastic between each compartment in said first chamber and said second chamber.
Claim 2
Dependent Claim
217 words
A mold for encapsulating a component with molten plastic which solidifies in situ in said mold, said component having a body and a non-axial lead substantially parallel to the axis of said body and extending from said body, said lead having a portion adjacent to said body, an elongate intermediate portion and a terminal portion remote from said body, said mold comprising a pair of mold halves which when closed form a groove for receiving the terminal portion of said lead and substantially sealably engaging the lead at the terminal portion thereof; a first chamber for receiving the intermediate lead portion, said first chamber being contiguous with said groove and having inner opposed surfaces formed by respective mold halves which define the depth of said first chamber for closely contacting the intermediate lead portion to provide support for the component in said mold and provide compartments in said first chamber on each side of the elongate intermediate lead portion; a second chamber having a depth greater than said first chamber for receiving the body; a passageway from said first chamber to said second chamber substantially in alignment with said groove to receive the lead portion adjacent to the body and provide a path for molten plastic between each compartment in said first chamber and said second chamber.
Claim 3
Dependent Claim
54 words
A mold in accordance with claim 1, which when said pair of mold halves are closed forms an elongate runner cavity adjacent said second chamber for receiving molten plastic and a passageway between said runner cavity and said second chamber for the passage of molten plastic into said second chamber and said first chamber.
Claim 4
Dependent Claim
32 words
A mold in accordance with claim 1, which when said pair of mold halves are closed forms a plurality of first chambers, grooves, second chambers and for encapsulating a plurality of components.
Claim 5
Dependent Claim
31 words
A mold in accordance with claim 1 wherein the width of said passageway is about 2 to 3 times the diameter of the cross-section of a component lead portion received therein.
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) | 1982-05-21 | 1982-11-20 | 1983-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-21 | 1986-11-20 | 1987-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-21 | 1990-11-20 | 1991-05-22 | $7700.00 | Window Closed / Lapsed |