US3826602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible adapter for conveying material from extruder to die
Assignee: Beloit Corp
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Filing: 1972-09-29
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Granted: 1974-07-30
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Expires: 1992-09-29
Abstract
Abstract A flexible conduit secured to the outlet of an extruder, the opposite end of said conduit being fastened to a die. Heating means encompass the conduit to maintain the material therein in a flowable condition. The flexible conduit allows relative movement between the die and the extruder.
Inventors
- 👤 R Shaffer
- 👤 F Stambaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:40
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/12; F16L11/127; B; B29; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/50; B29C48/78; B29C48/86; B29C48/865; F16L3/00; F16L3/01; F16L3/015; B29C48/03; B29C48/07; B29C48/08
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
115 words
In a structure for producing plastic melt, said structure including an extruder, a die, and a conduit structure connecting said extruder and die, the improvement comprising in combination: heating means in close proximity to said conduit, said heating means being adapted to heat said conduit and allow for movement of said conduit between said extruder and die, said conduit being flexible and allowing movement of said die relative to said extruder, said conduit structure permitting flow of plasticized material therethrough without collecting within said conduit, said flexible conduit structure including an inner core, and an outer core surrounding the inner core for strength, and said inner core including a member having a plurality of corrugations.
Claim 2
Dependent Claim
115 words
In a structure for producing plastic melt, said structure including an extruder, a die, and a conduit structure connecting said extruder and die, the improvement comprising in combination: heating means in close proximity to said conduit, said heating means being adapted to heat said conduit and allow for movement of said conduit between said extruder and die, said conduit being flexible and allowing movement of said die relative to said extruder, said conduit structure permitting flow of plasticized material therethrough without collecting within said conduit, said flexible conduit structure including an inner core, and an outer core surrounding the inner core for strength, and said inner core including a member having a plurality of corrugations.
Claim 3
Dependent Claim
23 words
The structure recited in claim 1 and further including insulation means surrounding the heating means to minimize heat losses from the heating means.
Claim 4
Dependent Claim
19 words
The structure recited in claim 1 wherein the heating means comprises an electrical wire structure encompassing the conduit structure.
Claim 5
Dependent Claim
23 words
The structure recited in claim 1 wherein the outer core is of a braided material which allows flexibility in addition to the strength.
Claim 6
Dependent Claim
36 words
The structure recited in claim 1 wherein the heating means includes an electrical wire wrapped around the inner and outer cores in close relation therewith and a power source to provide electrical current to said wire.
Claim 7
Dependent Claim
37 words
The structure recited in claim 1 and further including a rail structure extending in a cross machine direction, a housing member supporteD from said rail structure and, means to adjustably fasten the die to the housing member.
Claim 8
Dependent Claim
123 words
In a structure for producing plastic melt, said structure comprising a base portion supporting an extruder, die, and adapter means, said adapter means fluidily connecting said extruder and die, the improvement comprising: said adapter means being comprised of a member having a plurality of corrugations therein, said plurality of members being flexible and allowing movement of the die relative to the extruder in a cross machine direction, heating means surrounding said adapter means, said heating means being flexible and allowing for movement of said adapter means in a horizontal direction, said heating means maintaining the temperature of the plastic melt within the adapter means to help prevent suspension of the plastic melt particles within the corrugations and enabling the adapter to be purged.
Claim 9
Dependent Claim
123 words
In a structure for producing plastic melt, said structure comprising a base portion supporting an extruder, die, and adapter means, said adapter means fluidily connecting said extruder and die, the improvement comprising: said adapter means being comprised of a member having a plurality of corrugations therein, said plurality of members being flexible and allowing movement of the die relative to the extruder in a cross machine direction, heating means surrounding said adapter means, said heating means being flexible and allowing for movement of said adapter means in a horizontal direction, said heating means maintaining the temperature of the plastic melt within the adapter means to help prevent suspension of the plastic melt particles within the corrugations and enabling the adapter to be purged.
Claim 10
Dependent Claim
19 words
The structure recited in claim 7 wherein the adapter means includes a convoluted inner core and braided outer core.
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) | 1977-07-29 | 1978-01-28 | 1978-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-29 | 1982-01-28 | 1982-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-29 | 1986-01-28 | 1986-07-30 | $7700.00 | Window Closed / Lapsed |