[특허]Dripless liquid color feed throat adaptor and method for dripless liquid color delivery

Dripless liquid color feed throat adaptor and method for dripless liquid color delivery 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-047/00 B29C-047/10 B29C-045/18 B29C-047/08 B29L-031/00
출원번호	US-0105958 (2013-12-13)
등록번호	US-9796123 (2017-10-24)
발명자 / 주소	Maguire, Stephen B.
출원인 / 주소	Maguire, Stephen B.
대리인 / 주소	Fox Rothschild LLP
인용정보	피인용 횟수 : 0 인용 특허 : 58

초록 ▼

Apparatus and methods for converting granular plastic resin into colored finished or semi-finished plastic parts include a process machine having a barrel with a vertically opening feed throat, a rotatable screw inside the barrel, and a color feed conduit assembly positioned at least partially within the process machine and extending into the barrel for passage of liquid color downwardly through the color feed conduit assembly into proximity with the screw.

대표청구항 ▼

1. An apparatus for converting granular plastic resin into colored finished or semi-finished plastic parts, comprising: a. a process machine comprising: i. a barrel having a vertically opening feed throat;ii. a rotatable screw located inside the barrel;iii. a plate covering the feed throat, having an aperture therethrough and a slot formed therein extending from the aperture to an edge of the plate;b. a color feed conduit assembly positioned at least partially within the process machine and extending into the barrel for passage of liquid color downwardly through the color feed conduit assembly into proximity with the screw, comprising: i. a relatively rigid aluminum outer color delivery tube;ii. a relatively flexible inner color delivery tube telescopically disposed within the outer color delivery tube;the color feed conduit assembly being positioned at least partially in the slot in the plate extending from the aperture to the edge of the plate and passing downwardly through the aperture with an outlet of the color feed assembly being in proximity with the screw;c. a color conveying tube;d. a self-sealing quick release fitting connecting the color conveying tube to the color feed conduit assembly;e. a pump for pumping liquid color from a supply thereof remote from the process machine through the color conveying tube and the color feed conduit assembly into proximity with the rotatable screw. 2. Apparatus of claim 1 wherein the inner color delivery tube is a fluoropolymer and extends beyond the outer color delivery tube and an outlet end of the color feed conduit assembly. 3. Apparatus of claim 2 wherein the inner color delivery tube extends at least 1 inch beyond the outer color delivery tube at the outlet end of the color feed conduit assembly. 4. Apparatus of claim 1 wherein the inner color delivery tube has a one-quarter inch outer diameter. 5. Apparatus of claim 1 wherein the inner color delivery tube is nylon. 6. Apparatus of claim 1 wherein the inner color delivery tube contacts the screw. 7. An apparatus for feeding liquid color to a process machine for converting granular plastic resin into finished or semi-finished plastic parts by molding or extrusion, the process machine having a rotatable screw located inside a barrel, the barrel having a vertically opening feed throat with a plate covering the feed throat, the plate having an aperture therethrough with a feed tube positioned therein for passage of liquid color downwardly through the tube into proximity with the screw, comprising: a. a color feed conduit assembly comprising: i. a rigid aluminum outer color delivery tube;ii. an inner flexible polymeric color delivery tube telescopically disposed within the outer color delivery tube;iii. the color feed conduit assembly being positioned at least partially in a slot in the plate extending from the aperture to an edge of the plate and passing downwardly through the aperture, with an outlet of the color feed assembly being in proximity with the screw;b. a color conveying tube;c. a self-sealing quick release fitting connecting the color conveying tube to the color feed conduit assembly; andd. a pneumatically powered pump for pumping liquid color from a supply thereof remote from the process machine through the color conveying tube and the color feed conduit assembly into proximity with the rotatable screw. 8. Apparatus of claim 7 wherein the inner color delivery tube extends beyond the outer color delivery tube and an outlet end of the color feed conduit assembly. 9. Apparatus of claim 8 wherein the inner color delivery tube extends at least 1 inch beyond the outer color delivery tube at the outlet end of the color feed conduit assembly. 10. Apparatus of claim 7 wherein the inner color delivery tube has a one-quarter inch outer diameter. 11. Apparatus of claim 7 wherein the inner color delivery tube is polytetrafluoroethylene. 12. Apparatus of claim 7 wherein the inner color delivery tube is nylon. 13. Apparatus of claim 7 wherein the inner color delivery tube contacts the screw. 14. Apparatus of claim 7 wherein the inner color delivery tube has an inner diameter of about 3/16 inch. 15. Apparatus of claim 7 further comprising a compression fitting securing the inner tube in place relative to the outer tube. 16. An apparatus for converting granular plastic resin into colored finished or semi-finished plastic parts, comprising: a. a process machine comprising: i. a barrel having a vertically opening feed throat;ii. a rotatable screw located inside the barrel;b. a color feed conduit assembly positioned at least partially within the process machine and extending into the barrel for passage of liquid color downwardly through the color feed conduit assembly into proximity with the screw, comprising: i. a relatively rigid aluminum outer color delivery tube;ii. a relatively flexible inner color delivery tube telescopically disposed within the outer color delivery tube;the color feed conduit assembly passing downwardly through the feed throat with an outlet of the color feed assembly being in proximity with the screw;c. a color conveying tube;d. a self-sealing quick release fitting connecting the color conveying tube to the color feed conduit assembly. 17. Apparatus of claim 16 wherein the inner color delivery tube is a fluoropolymer and extends beyond the outer color delivery tube and an outlet end of the color feed conduit assembly. 18. Apparatus of claim 17 wherein the inner color delivery tube extends at least 1 inch beyond the outer color delivery tube at the outlet end of the color feed conduit assembly. 19. Apparatus of claim 16 wherein the inner color delivery tube is one-quarter inch outer diameter. 20. Apparatus of claim 16 wherein the inner color delivery tube is nylon. 21. Apparatus of claim 16 wherein the inner color delivery tube contacts the screw. 22. Apparatus of claim 16 wherein an inner diameter of the color delivery tube is about 3/16 of an inch. 23. An apparatus for feeding liquid color to a process machine for converting granular plastic resin into finished or semi-finished plastic parts by molding or extrusion, the process machine having a rotatable screw located inside a barrel, the barrel having a vertically opening feed throat with a plate covering the feed throat, the plate having an aperture therethrough with a feed tube positioned therein for passage of liquid color downwardly through the tube into proximity with the screw, comprising: a. a color feed conduit assembly comprising: i. a rigid aluminum outer color delivery tube;ii. an inner flexible polymeric color delivery tube telescopically disposed within the outer color delivery tube;iii. the color feed conduit assembly being positioned at least partially in a slot in the plate extending from the aperture to an edge of the plate and passing downwardly through the aperture, with an outlet of the color feed assembly being in proximity with the screw;b. a color conveying tube;c. a self-sealing quick release fitting connecting the color conveying tube to the color feed conduit assembly; andd. a pneumatically powered diaphragm pump for pumping liquid color from a supply thereof remote from the process machine through the color conveying tube and the color feed conduit assembly into proximity with the rotatable screws;wherein the inner color delivery tube extends beyond the outer color delivery tube and an outlet end of the color feed conduit assembly;the inner color delivery tube extends at least 1 inch beyond the outer color delivery tube at the outlet end of the color feed conduit assembly;the inner color delivery tube has a one-quarter inch outer diameter;the inner color delivery tube is polytetrafluoroethylene;the inner color delivery tube is nylon;the inner color delivery tube contacts the screw;the inner color delivery tube has an inner diameter of about 3/16 inch; andfurther comprising a compression fitting securing the inner tube in place relative to the outer tube.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Dripless liquid color feed throat adaptor and method for dripless liquid color delivery 원문보기

초록 ▼

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Dripless liquid color feed throat adaptor and method for dripless liquid color delivery 원문보기

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