Source: http://www.google.com.hk/patents/US5785250
Timestamp: 2013-06-20 02:15:18
Document Index: 311474867

Matched Legal Cases: ['art.\n3', 'art 35', 'art 35', 'art 35', 'arts 135', 'application No. 06', 'application No. 06', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08', 'application No. 08']

�M�Q US5785250 - Head for dispensing a liquid product in the form of an aerosol and dispenser ... - Google �M�Q�j�M �Ϥ� �a�� Play YouTube �s�D Gmail ���ݵw�� ��h »�i���M�Q�j�M | �������� | �n�J�i���M�Q�j�M�M�QThe invention relates to a head for dispensing a liquid product in the form of an aerosol. The dispensing head includes a push-button, at least two ducts housed in the push-button and at least two nozzles provided in the push-button. At least part of each duct is radial, and another part of the duct...http://www.google.com.hk/patents/US5785250?utm_source=gb-gplus-share�M�Q US5785250 - Head for dispensing a liquid product in the form of an aerosol and dispenser equipped with such a head���}��US5785250 A�X���������v�ӽЮѽs��08/686,065�o�G���1998�~7��28���ӽФ��1996�~7��24�� �u���v���1995�~7��24����L���}�M�Q��DE69600099D1, DE69600099T2, DE69600099T3, EP0755878A1, EP0755878B1, EP0755878B2, USRE38023���}��08686065, 686065, US 5785250 A, US 5785250A, US-A-5785250, US5785250 A, US5785250A�o��HVincent de Laforcade��M�Q�v�HL'Oreal�M�Q�ޥ� (7), �D�M�Q�ޥ� (8), �Q�H�U�M�Q�ޥ� (9), ���� (16) �~���s��: ���M�Q�ӼЧ�, ���M�Q�ӼЧ��M�Q����T��, �ڬw�M�Q��Head for dispensing a liquid product in the form of an aerosol and dispenser equipped with such a headUS 5785250 A�K�n The invention relates to a head for dispensing a liquid product in the form of an aerosol. The dispensing head includes a push-button, at least two ducts housed in the push-button and at least two nozzles provided in the push-button. At least part of each duct is radial, and another part of the duct communicates with the nozzle and is orientated parallel to an axis of the nozzle. The nozzles are arranged so that the sprays leaving each nozzle strike each other in order to provide a single and homogeneous spray. The invention also relates to a dispenser equipped with such a dispensing head.
What is claimed as new and desired to be secured by Letters Patent of the United States is: 1. A dispensing head for dispensing a liquid product in the form of an aerosol, the dispensing head comprising:a push-button having an axis; at least two ducts in the push-button; and at least two nozzles provided in the push-button; wherein: at least part of each duct is radial and a further part of the duct communicates with the nozzle and is oriented parallel to a nozzle axis of the nozzle so that sprays leaving each nozzle strike each other to provide a single and homogeneous spray. 2. A dispensing head according to claim 1, wherein each duct comprises at least one axial part.
3. A dispensing head according to claim 1, wherein the product dispensed is a single product.
5. A dispensing head according to claim 1, wherein the nozzle axes of the nozzles form an angle ranging from 20 other.
16. A dispensing head for dispensing a liquid product in the form of an aerosol, the dispensing head comprising:a push-button member having a longitudinal axis extending therethrough; at least two duct members located in the push-button member; and at least two nozzle members extending from said at least two duct members; wherein each of said at least two duct members comprises a radial first portion and a second portion which communicates with said nozzle member, the second portion of each duct member being oriented parallel to a nozzle axis of the corresponding nozzle, such that sprays from each of said nozzles strike each other to provide for a single homogeneous spray. 17. A dispensing head for dispensing a liquid product in the form of an aerosol, the dispensing head comprising:a push-button having an axis including a cylindrical skirt; at least two ducts in the push-button extending from inside said skirt to outside said skirt; and at least two nozzles provided in the push-button outside said skirt; wherein: at least part of each duct is radial and a further part of the duct communicates with the nozzle and is oriented parallel to a nozzle axis of the nozzle so that sprays leaving each nozzle strike each other to provide a single and homogeneous spray. ����
DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to the drawings, wherein like reference numerals designate identical or corresponding parts throughout the several views, in FIGS. 1 to 3, it is possible to see a dispenser denoted overall by the reference numeral 2, having an axis X of symmetry and including a dispensing valve 4 equipping a container 6, generally cylindrical, pressurized with a propellent gas. The container 6 further contains a liquid product, for example a cosmetic product, to be dispensed in the form of an aerosol. This container 6 may be fitted with a pocket containing the product or with a piston, on either of which a propellent gas would act indirectly.
The push-button 8 further includes two pillars 32a, 32b of circular section, housed in sleeve tubes 35a', 35b' and defining with the latter an annular chamber 34a, 34b supplied respectively by the part 35a, 35b of the duct 11a, 11b. The straight part 35a, 35b of the duct is connected to the straight radial duct 36a, 36b communicating with the axial duct 12. The pillars 32a, 32b have axes of symmetry A--A, B--B which are perpendicular to the axis X. Each pillar 32a, 32b has a front face 44a, 44b. Each part 35a, 35b of each duct 11a, 11b emerges in the annular chamber 34a, 34b of the nozzles 30a, 30b and is parallel to the axis A--A, B--B of the nozzle 30a, 30b.
In order to atomize product through the nozzles 30a, 30b, these respectively have an orifice 46a, 46b along the axes A--A and B--B.
The axes A--A, B--B of the nozzles 30a, 30b are situated in one and the same plane perpendicular to the axis X. In FIG. 2, the axes A--A and B--B form an angle of 60
As seen in FIG. 2, the axis A--A, B--B of the nozzle 30a, 30b is separated from the axis X of the central duct 12 by a distance d which is at least equal to the length L of the pillar 32a, 32b plus the width l of the radial duct 36a, 36b (d��L+l).
When a thrust is applied to the tongue 60 of the push-button 8, the product contained in the container 6 is atomized to the outside via the duct 12, the radial ducts 36a, 36b and the orifices 46a, 46b of the nozzles 30a, 30b under the action of the propellent gas.
As shown in FIG. 3, the two sprays S.sub.a, S.sub.b leaving the two nozzles meet at a point of convergence P then form a single divergent spray S. The collision of the particles of the sprays S.sub.a, S.sub.b causes a reduction in their kinetic energy generating a spray S with a force of impact which is smaller than that of the sprays S.sub.a and S.sub.b ; the spray S is therefore gentle. The spray S has a transverse section which is slightly oval and has an almost homogeneous product density. Its appearance is identical to that of the single-nozzle sprays of the prior art. The output rate of the spray S is slightly greater than that of a spray obtained with a single nozzle, which makes it possible to hold the hairstyle firmly in place when the dispenser is used for applying hair lacquer.
FIG. 5 shows, before mounting of the nozzles in place, a push-button in which the ducts 111a, 111b are aligned along an axis Y orthogonal to the axis X and parallel to the parts 135a, 135b of the duct. The ends 37a, 37b of these radical ducts 111a, 111b are substantially parallel to the respective axis A--A, B--B of the associated nozzle 30a, 30b. Such an arrangement makes it possible to produce the push-button by molding as a single piece, and especially the radial ducts, the sleeve tubes and the pillars.
FIG. 7 is a part section, taken on the line VII--VII of FIG. 6.
A related lacquer dispenser is described in FR-A-2,691,383. According to this document, the axes of the two nozzles are situated in one and the same plane and form with each other a narrow angle of from 1 40 are mutually parallel. This dispenser delivers a spray whose surface area of impact has a variable-density distribution of product, running the risk of altering the hair style. It does not allow the delivery of a homogeneous and gentle spray. Furthermore, this dispenser with a narrow angle between the two axes of the nozzles is difficult to produce because it requires the manufacture of highly inclined nozzles.
Also, bearing in mind the poor mixing of the two products, the collision of the two sprays of different products does not give a single spray which is homogeneous in terms of product.
Preferably, the axes of the nozzles form an angle ranging from 20 to 120 order to ensure the collision of the particles of the sprays.
Accordingly, the present invention relates to a dispensing head for dispensing a liquid product in the form of an aerosol. The dispensing head comprises a push-button having an axis; at least two ducts in the push-button; and at least two nozzles provided in the push-button. At least a part of each duct is radial and a further part of the duct communicates with the nozzle and is oriented parallel to a nozzle axis of the nozzle so that sprays leaving each nozzle strike each other in order to provide for a single and homogeneous spray.
�M�Q�ޥ� �ޥΪ��M�Q�ӽФ���o�G��� �ӽЪ��M�Q�W��US3045925 *1959�~9��29��1962�~7��24��Giangualano Michael NMultiple spray apparatusUS3406913 *1966�~9��1��1968�~10��22��Revlon, Inc.Mechanical break-up actuator for fluid dispensersUS3628733 *1969�~5��1��1971�~12��21��Associated Products Inc.Two-hole aerosol buttonUS4568002 *1983�~5��31��1986�~2��4��American Home Products Corporation (Del.)Dispensing method and apparatusUS5516045 *1993�~5��19��1996�~5��14��L'OrealPushbutton intended to be fitted to a valve or a pump equipping a dispenser, and dispenser including such a pushbuttonFR2691383A1 * �W�٤���GB1260616A * �W�٤���* �Ѽf�d�H��ޥ��D�M�Q�ޥ��ѦҤ��m1 *U.S. application No. 06/618,309, filed Mar. 18, 1996, Dockett No. 6388 088 3, pending.2U.S. application No. 06/618,309, filed Mar. 18, 1996, Dockett No. 6388-088-3, pending.3 *U.S. application No. 08/623,784, filed Mar. 29, 1996, Docket No. 6388 090 3 pending.4U.S. application No. 08/623,784, filed Mar. 29, 1996, Docket No. 6388-090-3 pending.5 *U.S. application No. 08/650,714, filed May 20, 1996 Docket No. 6388 097 3 pending.6U.S. application No. 08/650,714, filed May 20, 1996 Docket No. 6388-097-3 pending.7 *U.S. application No. 08/686,065, filed Jul. 24, 1996 Docket No. 6388 105 3 pending, Present application; listed for information.8U.S. application No. 08/686,065, filed Jul. 24, 1996 Docket No. 6388-105-3 pending, Present application; listed for information.* �Ѽf�d�H��ޥ��Q�H�U�M�Q�ޥ� �ޥΥ��M�Q�ӽФ���o�G��� �ӽЪ��M�Q�W��US6729559 *2001�~10��17��2004�~5��4��Daizo Co., Ltd.Rotary aerosol productUS68208212001�~11��16��2004�~11��23��S.C. Johnson & Son, Inc.Automated cleansing sprayerUS68240772002�~7��19��2004�~11��30��L'OrealDispenser head having two nozzlesUS69689822002�~9��18��2005�~11��29��Burns Caleb E SMultiple-mist dispenserUS76861912005�~7��12��2010�~3��30��Burns Caleb E SMultiple-mist dispenserUS77754582004�~9��24��2010�~8��17��S.C. Johnson & Son, Inc.Automated cleansing sprayerUS79092682008�~2��1��2011�~3��22��Sara Lee/De N.V.Container for a substance to be sprayed, cap for such container and method for manufacturing such containerUS82725812010�~11��2��2012�~9��25��S.C. Johnson & Son, Inc.Container and method for a substance to be sprayedUSRE38023 *1999�~1��26��2003�~3��11��L'OrealHead for dispensing a liquid product in the form of an aerosol and dispenser equipped with such a head* �Ѽf�d�H��ޥ����� ���M�Q������239/337, 239/491, 239/543, 222/402.1��ڱM�Q������B05B1/14, B05B9/04, B05B1/26, B05B1/34, B65D83/16, B65D83/14 �X�@����B65D83/303, B05B1/26, B65D83/205 �ڬw������B65D83/20C, B65D83/30B, B05B1/26������l�Ϥ�Google ���� - Sitemap - USPTO �j�q�U�� - ���p�v�F�� - �A�ȱ�� - ���� Google �M�Q - �N���^�X��ƬO�Ѭ��ӷ~�M�Q��Ʈw (IFI CLAIMS Patent Services) ����©2012 Google