Lightweight, high flow hose assembly and method of manufacture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-011/00
B32B-001/00
B32B-001/08
F16L-011/10
F16L-011/12
F16L-027/08
F16L-033/207
F16L-033/213
출원번호
US-0850225
(2015-09-10)
등록번호
US-10000035
(2018-06-19)
발명자
/ 주소
Blanchette, Gil
Melo, Michael
Correa, Steve
Chapman, Timothy L.
Van Beek, Marlon
Parker, Jr., John W.
Burke, Paul
Eilertson, Ron
출원인 / 주소
TEKNOR APEX COMPANY
대리인 / 주소
Hudak, Shunk & Farine Co., LPA
인용정보
피인용 횟수 :
0인용 특허 :
88
초록▼
A hose assembly, preferably a garden hose assembly, including a jacketed tube that is lightweight, durable and versatile. The tube is able to expand longitudinally along the length-wise axis of the hose between hose ends, as well as radially or circumferentially, to an expanded state in response to
A hose assembly, preferably a garden hose assembly, including a jacketed tube that is lightweight, durable and versatile. The tube is able to expand longitudinally along the length-wise axis of the hose between hose ends, as well as radially or circumferentially, to an expanded state in response to application of at least a minimum fluid pressure to an inner tube of the hose. Once the fluid pressure falls below the minimum fluid pressure, the hose assembly will contract. The two layer construction of the hose assembly allows for storage in relatively compact spaces, similar flow rates, approximately one-half the weight, and improved maneuverability when compared to conventional hose constructions. In one embodiment the jacket is formed around the tube in a continuous process that welds a material, preferably using hot air, into the jacket. The welded joint forms a region of jacket that is preferably about twice the thickness of the rest of the jacket. This thicker region results in a stiffer section of jacket that makes the hose more controllable and consistent in use.
대표청구항▼
1. A hose assembly, comprising: an inner tube comprising an elastomeric material, wherein the inner tube has a first longitudinal length and a first circumference below a minimum expansion pressure, wherein the inner tube is expandable to longer, second longitudinal length and a larger, second circu
1. A hose assembly, comprising: an inner tube comprising an elastomeric material, wherein the inner tube has a first longitudinal length and a first circumference below a minimum expansion pressure, wherein the inner tube is expandable to longer, second longitudinal length and a larger, second circumference upon application of fluid pressure on an inner surface of the inner tube at or above the minimum expansion pressure; andan outer tube covering the inner tube, the outer tube having a longitudinal length and a weld seam along the longitudinal length of the outer tube, the weld seam comprising melted outer tube material, wherein the hose assembly further includes a male coupler connected to first ends of the inner tube and the outer tube and a female coupler connected to second ends of the inner tube and the outer tube, and wherein the outer tube is not connected or attached to the inner tube between the male coupler and the female coupler. 2. The hose assembly according to claim 1, wherein the outer tube has a first end and a second end and two sides between ends, wherein the two sides are bonded at the weld seam, and wherein the second longitudinal length is at least two times greater than the first longitudinal length. 3. The hose assembly according to claim 1, wherein the outer tube has an inner surface with a circumference and the second circumference of the inner tube is less than or equal to the outer tube inner surface circumference. 4. The hose assembly according to claim 1, wherein the hose assembly further includes a slip coating layer directly contacting the inner tube. 5. The hose assembly according to claim 1, wherein the weld seam has a weld width of 9.5 mm+/−3.0 mm, and wherein the weld seam has a weld thickness that is at least 50% greater than a thickness of the fabric of the outer tube in a non-weld seam section. 6. The hose assembly according to claim 5, wherein the weld seam weld width is 9.5 mm+/−1.50 mm, and wherein the weld thickness is at least 75% greater than the thickness of the material of the outer tube in the non-weld seam section. 7. The hose assembly according to claim 6, wherein the weld seam weld thickness is at least 100% greater than the thickness of the material of the outer tube in the non-weld seam section. 8. A process for producing the hose assembly according to claim 1, comprising: obtaining the inner tube comprising the elastomeric material;obtaining a material having a first end, a second end, a first side and a second side, the sides located between the ends;wrapping the material around the inner tube and abutting the first side and the second side of the material, andheating the material to melt and bond the first side to the second side along a length of the sides thereby forming the outer tube having the weld seam along a longitudinal length of the hose assembly, wherein during formation of the outer tube a section of the inner tube is located inside the outer tube. 9. The process according to claim 8, further including the step of overlapping the first side and the second side of the fabric 9.5 mm+/−3.0 mm. 10. The process according to claim 9, further including the step of overlapping the first side and the second side of the fabric 9.5 mm+/−1.5 mm. 11. The process according to claim 9, wherein the heating step comprises heating the material with hot air at a temperature between 550° C. and 750° C. 12. The process according to claim 11, further including the step of partially forming the material around the inner tube with a folding fixture and shaping the material into a round, tubular profile using a die. 13. The process according to claim 12, further including a step of passing the inner tube and outer tube through a set of rollers which force the heated material surfaces against each other under pressure after the heating step. 14. The process according to claim 8, wherein the heating step comprises heating the material with hot air at a temperature between 550° C. and 750° C. 15. The process according to claim 14, further including the step of partially forming the material around the inner tube with a folding fixture and shaping the material into a round, tubular profile using a die. 16. The process according to claim 15, further including a step of passing the inner tube and outer tube through a set of rollers which force the heated material surfaces against each other under pressure after the heating step. 17. The process according to claim 8, wherein the second longitudinal length is at least two times greater than the first longitudinal length.
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