[특허]Single longitudinal valve ready to use hose end sprayer

MeadWestvaco Calmar, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Single longitudinal valve ready to use hose end sprayer

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-007/30 B05B-007/24 B05B-001/30
미국특허분류(USC)	239/414; 239/318; 239/353; 239/354; 239/581.1
출원번호	US-0417896 (2006-05-03)
등록번호	US-7328857 (2008-02-12)
발명자 / 주소	Englhard,Ronald F. Shanklin,Donald J.
출원인 / 주소	MeadWestvaco Calmar, Inc.
인용정보	피인용 횟수 : 1 인용 특허 : 32

초록
▼

A sprayer head assembly comprises a chemical passage, a carrier fluid passage, and a housing that has an outer surface and an inner surface, which defines a valve chamber configured to be in communication with the chemical and carrier fluid passages. A valve is moveably positioned within the valve chamber between at least a first position, a second position and a third position. The valve defines a first passage, a second passage and a chemical inlet passage that is in communication with the second passage. The valve is configured such that, in the first position, the valve blocks the chemical and carrier fluid passages, in the second position, the first passage is configured to be in communication with the carrier fluid passage while the valve blocks the chemical fluid passage, and in the third position, the second passage is configured to be in communication with the carrier fluid passage and the chemical inlet passage is configured to be in communication with the chemical passage.

대표
청구항
▼

What is claimed is: 1. A sprayer head assembly for connection to a container that defines a cavity for storing a chemical to be sprayed; the sprayer head assembly comprising: a chemical passage configured to be in communication with the cavity; a carrier fluid passage configured to be in communication with a carrier fluid source; a valve chamber configured to be in communication with the chemical and carrier fluid passages; and a valve moveably positioned within the valve chamber between at least a first position, a second position and a third position, the valve defining a fist passage, a second passage and a chemical inlet passage that is in communication wit the second passage, the valve being configured such that, in the first position, the valve blocks the chemical and carrier fluid passages, in the second position, the first passage is configured to be in communication with the carrier fluid passage while the valve blocks the chemical passage, and in the third position, the second passage is configured to be in communication with the carrier fluid passage and the chemical inlet passage is configured to be in communication with the chemical passage, wherein the valve rotates about a longitudinal axis and is nested within the valve chamber such that the valve is prevented from moving radially with respect to the longitudinal axis by the valve chamber, wherein valve includes an annular flange that is configured to engage an annular ridge positioned on the sprayer head assembly. 2. A sprayer head assembly for connection to a container that defines a cavity for storing a chemical to be sprayed; the sprayer head assembly comprising: a chemical passage configured to be in communication with the cavity; a carrier fluid passage configured to be in communication with a carrier fluid source; a valve chamber configured to be in communication with the chemical and carrier fluid passages; and a valve moveably positioned within the valve chamber between at least a first position, a second position and a third position, the valve defining a first passage, a second passage and a chemical inlet passage that is in communication with the second passage, the valve being configured such that, in the first position, the valve blocks the chemical and carrier fluid passages, in the second position, the first passage is configured to be in communication with the carrier fluid passage while the valve blocks the chemical passage, and in the third position, the second passage is configured to be in communication with the carrier fluid passage and the chemical inlet passage is configured to be in communication with the chemical passage, wherein the valve rotates about a longitudinal axis and is nested within the valve chamber such that the valve is prevented from moving radially with respect to the longitudinal axis by the valve chamber and wherein the valve chamber includes an annular flange which includes engagement structures which are configured to engage complementary engagement structures positioned on the sprayer head assembly. 3. The sprayer head assembly as in claim 1, wherein the valve rotates about a first axis that is substantially parallel to the carrier fluid passage. 4. The sprayer head assembly as in claim 3, wherein the chemical passage is substantially perpendicular to the carrier fluid passage. 5. The sprayer head assembly as in claim 1, further comprising a vent passage that is communication with the valve chamber and the cavity. 6. The sprayer head assembly as in claim 5, wherein the valve defines a fourth passage which, when the valve is in the third position, is in communication with the vent passage. 7. The sprayer head assembly as in claim 1, wherein the valve chamber further comprising at least one recess in which at least one sealing member is positioned, the at least one sealing member defining a sealing portion which extends around a first interface between the carrier fluid passage and the valve and a second interface between the chemical passage and the valve. 8. The sprayer head assembly as in claim 7 further comprising a vent passage that is coimnunication with the cavity. 9. The sprayer head assembly as in claim 8, wherein the valve defines a fourth passage which, when the valve is in the first position, is in communication with the vent passage. 10. The sprayer head assembly as in claim 9, wherein the sealing portion also extends around a third interface between the vent passage and the valve. 11. The sprayer head assembly as in claim 2, wherein the valve rotates about a first axis that is substantially parallel to the carrier fluid passage. 12. The sprayer head assembly as in claim 11, wherein the chemical passage is substantially perpendicalar to the carrier fluid passage. 13. The sprayer bead assembly as in claim 2, further comprising a vent passage that is communication with the valve chamber and the cavity. 14. The sprayer head assembly as in claim 13, wherein the valve defines a fourth passage which, when the valve is in the third position, is in communication with the vent passage. 15. The sprayer head assembly as in claim 2, wherein the valve chamber further comprising at least one recess in which at least one sealing member is positioned, the at least one sealing member defining a sealing portion which extends around a first interface between the carrier fluid passage and the valve and a second interface between the chemical passage and the valve. 16. The sprayer head assembly as in claim 15 further comprising a vent passage that is communication with the cavity. 17. The sprayer head assembly as in claim 16, wherein the valve defines a fourth passage which, when the valve is in the first position, is in communication with the vent passage. 18. The sprayer head assembly as in claim 17, wherein the sealing portion also extends around a third interface between the vent passage and the valve. 19. The sprayer head assembly as in claim 15, further comprising a second sealing member positioned at a distal end of the valve chamber between the valve and the housing. 20. The sprayer head assembly as in claim 19, wherein the second sealing member comprises an O-ring positioned within a recess formed on the inner surface of the housing.

이 특허에 인용된 특허 (32)

이 특허를 인용한 특허 피인용횟수: 1

McDonnell, Joseph A.. Dual sprayer. USP201806D821541.

IPC 상위 출원인

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특허 상세정보

Single longitudinal valve ready to use hose end sprayer

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이 특허에 인용된 특허 (32)

이 특허를 인용한 특허 피인용횟수: 1

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Single longitudinal valve ready to use hose end sprayer

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이 특허에 인용된 특허 (32)

이 특허를 인용한 특허 피인용횟수: 1

IPC 상위 출원인

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상세정보조회

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IPC 상세정보(version : 201201)

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