Injection moulding system for a material vulcanizable by heat
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United States of America Patent
Stats
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N/A
Issued Date -
Sep 1, 2005
app pub date -
Jul 29, 2003
filing date -
Jul 30, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An injection molding system for a material vulcanizable by heat comprises a mould (13, 113, 213) with molding impressions (14, 114, 214) fed from material-feeding channels (17, 19, 117, 119, 217, 219). The mould is separable into a first portion (16, 116, 216) containing first sections (17, 117, 217) of the feeding channels and a second portion (18, 118, 218) containing end sections (19, 119, 219) of the feeding channels and the molding impressions (14, 114, 214). An element (21, 121, 221) is interposed between the first and second portions of the mould after feeding of the material to the impressions and comprises first means (25, 125, 225) designed to keep the element surface (23, 123, 223) coming into contact with the first portion (16, 116, 216) to a temperature adapted to avoid vulcanization of the material in the first channel sections (17, 117, 217) and second means (26, 126, 226) for heating the opposite element surface (24, 124, 224) coming into contact with the second mould portion (18, 118, 218) to a temperature high enough to bring the material in the impressions (14, 114, 214) to a temperature suitable for vulcanization of same. Around the channels the first mould portion (16, 116, 216) extends into the second portion (18, 118, 218) so that the end sections (19, 119, 219) of the channels remaining in the second portion have a reduced length.

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- 15 United States
- 10 France
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- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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RUTIL S R L | 21050 LONATE CEPPINO (VARESE) |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Coscia, Giovanni Antonio | Varese, IT | 2 | 1 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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