IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0402865
(2012-02-22)
|
등록번호 |
US-8371143
(2013-02-12)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Ragner Technology Corporation
|
인용정보 |
피인용 횟수 :
13 인용 특허 :
10 |
초록
▼
A circular knitting machine (140b) for knitting a plurality of yarns (196) into a tubular reinforcement (45) on a rotating hose (41), comprising a knitting head (160b) having a plurality of knitting needles (170 and 170a) and a central passageway, wherein the rotating hose is designed to pass throug
A circular knitting machine (140b) for knitting a plurality of yarns (196) into a tubular reinforcement (45) on a rotating hose (41), comprising a knitting head (160b) having a plurality of knitting needles (170 and 170a) and a central passageway, wherein the rotating hose is designed to pass through the central passageway, and rotate in the same direction as the knitting head. Further comprising a conforming means defined on the circular knitting machine for conforming the knitted reinforcement to the exterior of the rotating hose.
대표청구항
▼
1. A manufacturing process for reinforcing a hose, comprising the steps of: a) axially rotating an elongated hose having a interior passageway and an exterior surface;b) guiding the elongated hose into a circular knitting machine comprising a plurality of knitting needles, a circular knitting head w
1. A manufacturing process for reinforcing a hose, comprising the steps of: a) axially rotating an elongated hose having a interior passageway and an exterior surface;b) guiding the elongated hose into a circular knitting machine comprising a plurality of knitting needles, a circular knitting head with a central channel and two or more yarn packages that remain substantially stationary with respect to the position of the circular knitting head;c) rotating the circular knitting head in the same direction as the elongated hose;d) knitting a reinforcement cover around the exterior surface of the rotating elongated hose with the circular knitting head, ande) conforming the reinforcement cover to the shape of the exterior surface of the elongated hose. 2. The manufacturing process in claim 1, further including the additional step: f) covering or coating the reinforcement cover with a polymer layer. 3. The manufacturing process in claim 2, wherein the polymer layer also bonds with the reinforcement cover and/or the exterior surface of the elongated hose. 4. The manufacturing process in claim 3, wherein the elongated hose is a stretch hose having an extended length and a retracted length, and further including the step of stretching the stretch hose to its extended length prior to step d). 5. The manufacturing process in claim 1, wherein the elongated hose is a stretch hose having an extended length and a retracted length, and further including the step of stretching the stretch hose to its extended length prior to step d). 6. The manufacturing process in claim 1, wherein the circular knitting machine is a circular weft knitting machine, and wherein the knitting head of the circular weft knitting machine rotates in the same direction as the rotation of the elongated hose. 7. The manufacturing process in claim 6, wherein the elongated hose is a stretch hose having an extended length and a retracted length, and further including the step of stretching the stretch hose to its extended length prior to step d). 8. The manufacturing process in claim 1, wherein the circular knitting machine is a circular warp knitting machine, and wherein the knitting head of the circular warp knitting machine is non-rotating. 9. The manufacturing process in claim 8, wherein the elongated hose is a stretch hose having an extended length and a retracted length, and further including the step of stretching the stretch hose to its extended length prior to step d). 10. The manufacturing process in claim 1, wherein in step d), the circular knitting head is rotated slower than the rotation rate of the elongated hose. 11. The manufacturing process in claim 1, wherein in step d), the circular knitting head is rotated at the same rotation rate as the elongated hose. 12. The manufacturing process in claim 1, wherein in step d), the circular knitting head is rotated faster than the rotation rate of the elongated hose. 13. The manufacturing process in claim 1, wherein the elongated hose has an exterior surface that has a convoluted shape. 14. A circular knitting machine for knitting a plurality of yarns into a tubular reinforcement on a rotating hose, comprising: a) a knitting head having a plurality of knitting needles and a central passageway, wherein the central passageway is designed to allow the rotating hose to pass therethrough, wherein the knitting head is designed for knitting the plurality of yarns into the tubular reinforcement onto the exterior of the rotating hose, wherein the knitting head is rotatable in the same direction of rotation as the rotating hose;b) a actuation means in communication with the plurality of knitting needles for actuating the knitting needles in the proper sequence to produce the tubular reinforcement;c) a rotary means in contact with the knitting head for providing rotational motion to the knitting head;d) a plurality of spools feeding the plurality of yarns to the knitting head, wherein the plurality of spools do not rotate with the knitting head, ande) a conforming means defined on the circular knitting machine for conforming the tubular reinforcement to the exterior of the rotating hose. 15. The circular knitting machine in claim 14, further including a tensioning means mounted in relationship to the plurality of spools and designed for tensioning and guiding the plurality of yarns to the knitting head and plurality of knitting needles, wherein the tensioning means does not rotate with the knitting head. 16. The circular knitting machine in claim 14, wherein the actuation means comprises a cam assembly in communication with the knitting needles, wherein the cam assembly is substantially stationary. 17. The circular knitting machine in claim 14, wherein the rotating means is designed to provide a multiplicity of rotational speeds for the knitting head, wherein the rotational speed of the knitting head can be slower than, equal to, or faster than the rotation rate of the rotating hose. 18. The circular knitting machine in claim 14, wherein the rotating hose is a stretch hose having an extended length and a retracted length, and further including a stretching means in combination with the circular knitting machine for extending the rotating stretch hose to its extended length during the knitting of the tubular reinforcement. 19. A manufacturing process for manufacturing a reinforced hose, comprising the steps of: a) coiling a wire into a tension spring and actively rotating the tension spring along its axis;b) forming a first polymer layer over the axially rotating tension spring to form a rotating convoluted hose having a interior passageway and an exterior surface;c) forming a reinforcement cover comprising a plurality of yarn strands over the exterior surface of the rotating convoluted hose, wherein there is a plurality of opens spaces in the reinforcement cover , andd) covering or coating the reinforcement cover with a second polymer layer while the hose is still rotating. 20. The manufacturing process in claim 19, further including the step of bonding the second polymer layer to the reinforcement cover and/or the exterior surface of the rotating convoluted hose through the plurality of open spaces. 21. The manufacturing process in claim 19, wherein the forming of the reinforcement in step c) is provided by a knitting head having a plurality of knitting needles and a central passageway, wherein the central passageway is designed to allow the rotating hose to pass therethrough, wherein the knitting head is designed for knitting the plurality of yarns into the tubular reinforcement onto the exterior of the rotating convoluted hose, wherein the knitting head is rotatable in the same direction of rotation as the rotating convoluted hose.
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