WO2015083642A1 - エアゾールハウジング機構およびこのエアゾールハウジング機構を備えたエアゾール式製品 - Google Patents
エアゾールハウジング機構およびこのエアゾールハウジング機構を備えたエアゾール式製品 Download PDFInfo
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- WO2015083642A1 WO2015083642A1 PCT/JP2014/081568 JP2014081568W WO2015083642A1 WO 2015083642 A1 WO2015083642 A1 WO 2015083642A1 JP 2014081568 W JP2014081568 W JP 2014081568W WO 2015083642 A1 WO2015083642 A1 WO 2015083642A1
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- Prior art keywords
- container
- housing
- aerosol
- annular
- housing mechanism
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/38—Details of the container body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/60—Contents and propellant separated
- B65D83/62—Contents and propellant separated by membrane, bag, or the like
Definitions
- the present invention is provided with an accommodating portion that accommodates a stem and a stem gasket that are disposed on the upper end opening side of an aerosol container that accommodates the contents to be released and the gas for injection, and that shows the sealing action and the injection action of the contents.
- the present invention relates to a plastic aerosol housing mechanism which is integrally molded as a whole.
- an aerosol that consists of a total of two parts, a mounting cup attached to the opening side of the aerosol container body, and a housing that holds the lower part of the stem, etc.
- a housing mechanism that holds the lower part of the stem, etc.
- enlarged housing the mounting cup and the entire housing that are integrally molded are referred to as “enlarged housing” as necessary.
- the present invention is to reduce the amount of synthetic resin used for molding the enlarged housing while ensuring the strength of the aerosol housing mechanism comprising the enlarged housing.
- each aerosol container (outer container + inner container, outer container + inner bag-like container) is “upper”, and the bottom side opposite to the opening side in the longitudinal direction is “lower”.
- the side perpendicular to the vertical direction is referred to as “horizontal”.
- This proposed expansion housing eliminates the work process of creating the mounting cup and the housing individually and integrating them, and the housing is deformed or broken during this integration. It has the advantage that it can be prevented.
- the inner bag-like container whose upper end side neck portion can be deformed as described above has an advantage that the air generated in the upper end side space region can be discharged to the outer space region.
- a rib-like portion for increasing the strength is integrally formed between the outer cylindrical portion and the central cylindrical portion constituting the enlarged housing, (12) Rib-shaped portions are formed in the radial direction of each of the outer cylindrical portion and the central cylindrical portion, (13) A vertical concave portion is formed on the outer peripheral surface side of the inner peripheral surface portion of the central cylindrical portion that is not provided with the vertical groove-shaped portion for passing the contents, so that the thickness of the central cylindrical portion itself is reduced.
- the outer peripheral surface of the outer cylindrical portion has three layers of an annular portion on the upper end side of each of the outer container, the inner container and the inner bag-like container, and an outer annular hanging portion of the cover cap with respect to the annular ceiling portion of the expansion housing.
- a slit-like portion for inflow of contents is additionally provided in the peripheral portion of the central cylindrical portion of the housing of the inner and outer double aerosol containers, that is, a vertical hole formed in the bottom portion of the normal central cylindrical portion.
- An object of the present invention including such a configuration aspect is to first reduce the amount of synthetic resin used for molding an enlarged housing while preventing deformation and cracking of the enlarged housing.
- Another object of the present invention is to provide an annular plastic cover provided on the upper portion of the stem gasket so that the contents can permeate and permeate from the stem gasket and come into contact with the metal cover. .
- an inlet portion (inflow portion) of the outer passage area is provided between the reinforcing vertical plate rib-shaped portions formed in the lower surface radial direction of the flange-shaped portion (ring ceiling portion) between the inner and outer cylindrical portions of the enlarged housing.
- the purpose is to ensure the discharge of residual air between the vertical plate ribs.
- the residual air discharge process using a general-purpose expansion housing that can be fitted with a dip tube for inflow of contents enables effective use of the expansion housing and reduction of product costs in the discharge mechanism of the inner and outer double aerosol containers. It aims to plan.
- An outer cylindrical portion for example, an outer cylindrical shape described later
- an opening side for example, an upper end annular portion 1b described later
- a container body for example, an aerosol container 1 described later
- a central cylindrical portion for example, a central upper cylindrical portion 2b, which will be described later
- a stem for example, a stem 3 which will be described later
- the rib-shaped part is A plurality of radial shapes are formed from the central cylindrical portion to the outer cylindrical portion, The thing of a structure aspect is used.
- the central cylindrical part is A longitudinal groove portion for passing contents (for example, longitudinal groove portions 2f and 10f described later) is formed on a part of the inner peripheral surface, A vertical concave portion (for example, vertical concave portions 2g and 10g described later) is formed on the back side of the inner peripheral surface portion which is a part of the outer peripheral surface and is not provided with the vertical groove-shaped portion.
- the thing of a structure aspect is used.
- the rib portion is Formed between the inner peripheral surface of the outer cylindrical portion and an outer peripheral surface portion which is a part of the outer peripheral surface of the central cylindrical portion and corresponds to the back side of the vertical groove-shaped portion, The thing of a structure aspect is used.
- the ring ceiling is An annular lower step portion (for example, a lower inner step portion 2k described later) that holds an outer peripheral edge portion of a stem gasket (for example, a stem gasket 5 described later) that is formed on the inner end side and exhibits a valve action with the stem. 10k) An annular shape formed on the upper side of the lower step portion and holding an outer peripheral edge portion of an annular plastic cover body (for example, an intermediate cover body 7 described later) for preventing leakage of contents provided on the upper surface portion of the stem gasket.
- An upper step (for example, upper and lower steps 2m and 10m described later), With The thing of a structure aspect is used.
- the outer cylindrical portion is Its outer surface is A cylindrical hanging part (for example, an annular hanging part 8b described later) on the outer end side of an annular metal cover body (for example, a cover cap 8 described later) covering the ring ceiling part, A part of an outer container (for example, an outer container 1a to be described later), and an upper intermediate ring part (for example, an upper annular part 1b to be described later) disposed inside the tubular hanging part; An upper inner ring part that is a part of an inner container (for example, an inner container 1d and an inner bag-like container 1g described later) provided in the inner space of the outer container, and is disposed inside the upper intermediate ring part.
- the central cylindrical part is A lower cylindrical portion (for example, the lower central cylindrical portions 2d and 10d described later) to which a tube for inflow of contents can be attached is provided.
- a housing cover for example, housing covers 25 to 29 described later
- the contents to be released released into the external space area are: After moving the outer passage area downward from the upper end side, moving the inner passage area on the downstream side upward, The thing of a structure aspect is used.
- the housing cover for example, housing covers 27, 28 and 29 described later: FIGS.
- the upper end side piece portion (for example, a radial stepped piece portion 27g described later, a mortar shape) that enters each upper end side internal space region set between the rib-like portions and acts as an entrance portion of the outer passage region.
- the thing of a structure aspect is used.
- the subject of the present invention is an aerosol housing mechanism having such a configuration, and an aerosol type product that includes the aerosol housing mechanism and contains various contents to be released and jetting gas to be described later.
- the present invention is based on the above problem solving means. (21) While preventing deformation and cracking of the enlarged housing, the amount of synthetic resin used for molding the enlarged housing is reduced, (22) By providing an annular plastic cover provided on the top surface of the stem gasket, the contents penetrate and permeate from the stem gasket, making it thorough against contact with the metal cover, (23) Try to reduce the amount of metal in the entire area touched by the contents to be released, (24) Even when the inner bag-like container abuts on the lower side of the central cylindrical portion as its contents decrease, the housing inflow operation of the residual contents in the upper space area is ensured, (25) Ensure the discharge of residual air between the reinforcing ribs of the flange-shaped part (ring ceiling part) of the expansion housing, (26) Effective use of the enlarged housing and reduction of product costs in the release mechanism of the inner and outer double aerosol containers that discharge the residual air, (27) To enrich technology for residual air discharge in the inner space area on the upper end side of the inner bag-like container in the discharge mechanism of
- the aerosol housing mechanism of the present invention is roughly classified into a mechanism without a housing cover (FIGS. 1 to 5) and a mechanism with a housing cover (FIGS. 6 to 12).
- the component (for example, outer container 1a) of the reference numbers with the following alphabets is a part of the component (for example, aerosol container 1) of the numerical part of the said reference number in principle.
- FIGS. 1 In the aerosol housing mechanism of FIGS. 1 is a known aerosol container that contains (fills) the contents to be released and the gas for injection; 1a is a hard outer container with an upper opening, 1b is an upper end side of the outer container 1a, and an upper end annular portion in which expansion housings 2 and 10 described later are disposed, 1c is initially formed at the lower end continuous portion of the upper end annular portion 1b. With a cover cap 8 to be described later set on the upper end annular portion 1b, the lower end side of the annular hanging portion 8b is directed inward by a known crimping process.
- An annular dent in the outer container 1a for plastic deformation and fixing, 1d is arranged inside the outer container 1a, for example, a flexible inner container (see FIG. 1) with an upper opening that accommodates the contents to be released (raw solution) and the gas for injection in its own internal space.
- 1e is an upper end side of the inner container 1d, and an upper end inner annular portion disposed and held between an upper end annular portion 1b of the outer container 1a and outer cylindrical portions 2a and 10a described later, 1f is formed at the time of own blow molding, and the inner ring dent of the inner container 1d disposed inside the ring dent 1c of the outer container 1a, 1 g is disposed inside the outer container 1 a as an inner container for containing a gas for injection between the outer container inner surface 1 a and containing the contents to be released (stock solution) in the inner space area.
- a soft inner bag-like container with an upper opening see FIGS.
- 1h is an upper end side of the inner bag-like container 1g, and is an upper-end inner annular part (inner bag-like container disposed and held between an upper-end annular part 1b of the outer container 1a and outer cylindrical parts 2a and 10a described later.
- Inner peripheral surface of the upper end side), 1j is disposed in the opposite part inside the annular dent 1c of the outer container 1a, and the inner bag-like container 1g formed on the lower end side of the upper inner ring-shaped part 1h at the time of blow molding of the inner bag-like container.
- Inner ring dent (inner side of the inner bag), 1k is formed on the upper portion of the inner bag-shaped container 1g, and in the extended state of the natural length before fixing the housing mechanism, which will be described later, to which the inner bag-shaped container already containing the contents is attached to the aerosol container 1,
- the inner bag can be filled with the injection gas from the space between the upper end of the annular portion 1b and the upper end inner annular portion 1h and the cover cap 8 is pushed down immediately after the injection gas is filled.
- the inner ring dent 1j of the container has a bellows-like shape with a vertical expansion / contraction function that contracts to the corresponding portion of the cover cap at the crimping position as shown in FIG. 2, FIG. 5 to FIG.
- 1m is the inner surface of the outer container 1a on the inner space side
- 1n is a pressurized space region filled with a gas for injection, comprising an annular circumferential portion and a bottom portion between the outer container 1a and the inner bag-shaped container 1g, Respectively.
- 2a and 10 also have the function of a conventional mounting cup, and the whole is integrally formed of a plastic material, and is disposed in the upper annular portion 1b (opening portion) of the outer container 1a, and has a central cylindrical portion.
- a well-known valve mechanism such as a stem 3, a coil spring 4 and a stem gasket 5 described later is accommodated and held
- 2a and 10a are formed on the outer peripheral surface of the inner container 1d and the upper inner annular portion 1e and 1h of the inner bag-like container 1g, the upper annular portion 1b of the outer container 1a, and a cover cap 8 to be described later.
- An annular hanging portion 8b of the outer cylindrical portion disposed in a three-layer state, 2b and 10b have the same central axis in the vertical direction as the outer cylindrical portions 2a and 10a, and a large-diameter central upper cylindrical portion that houses and holds a lower portion of a stem 3 and a coil spring 4 described later
- 2c and 10c are annular ceiling parts that act as a so-called top plate part between the outer cylindrical parts 2a and 10a and the central upper cylindrical parts 2b and 10b
- 2d and 10d are continuously formed downward from the central upper cylindrical portions 2b and 10b
- 2e and 10e are formed on the outer peripheral surface on the upper end side of the outer cylindrical portions 2a and 10a, and are outer ring concave portions that hold the inner peripheral surface of the housing gasket 6 described later
- 2f and 10f are a total of six longitudinal groove-shaped portions for passage of contents formed on the inner peripheral surfaces of the
- 2g and 10g are outer peripheral surfaces of the central upper cylindrical portions 2b and 10b, and a total of six pieces are formed at regular intervals on the back side of the inner peripheral surface portion where the longitudinal groove portions 2f and 10f are not provided.
- Vertical plate rib-shaped part for up, 2j and 10j are longitudinal holes for passing the contents formed at the boundary between the central upper cylindrical portions 2b and 10b and the central lower cylindrical portions 2d and 10d
- 2k and 10k are annular lower inner steps formed on the innermost part of the ring ceiling portions 2c and 10c and holding a stem gasket 5 described later
- 2m and 10m are formed on the outer right upper portion of the lower inner step portions 2k and 10k
- 2n and 10n are portions projecting outward from the outer cylindrical portions 2a and 10a on the outer end side of the ring ceiling portions 2c and 10c, and an annular hook-shaped portion that holds an upper end surface of the housing gasket 6 described later,
- a vertical slit-like part that acts as an opening for 11 is a vertical convex portion that is fitted from below into the vertical concave portion 10g on the outer peripheral surface of the central upper cylindrical portion 10b, and on the back side outer peripheral surface of the portion adjacent to the vertical convex portion 10g where the vertical groove portion 10f is not formed.
- Corresponding vertical concave portions are members formed alternately on the inner peripheral surface, and the vertical slit is formed by closing the lower portion of the vertical slit-like portion 10p while being attached to the vertical concave portion or the like.
- a cylindrical flow rate adjusting member that adjusts the actual opening area for moving the contents of the shaped part. 11a is an annular step portion (see FIG. 5) which is formed on the lower portion of the inner peripheral surface of the flow rate adjusting member 11 and engages with the annular lower surface of the central upper tubular portion 10b. Respectively.
- 3 is a well-known stem that is attached to an operation button (not shown) and interlocks in the vertical direction and exhibits a valve action with a stem gasket 5 described later.
- 3a is the internal space area of the stem, the internal passage area for the passage of the contents to be released (raw solution) and the injection gas
- 3b is a pair of stem hole portions (valve action portions) for communicating the internal passage region 3a with the inner space region of the central upper cylindrical portion 2b, 10b in the operation mode
- 3c is an inner ring concave portion formed in the circumferential direction of the outer periphery of the stem including the stem hole portion 3b and exhibiting a valve action between the stem gasket 5 described later, Respectively.
- 4 is a well-known coil spring disposed between the bottom surface portion of the central upper cylindrical portions 2b and 10b and the stem 3, and biases the stem upward.
- 5 is held by the lower inner stepped portions 2k, 10k of the enlarged housings 2, 10, and the inner annular concave portion 3c of the stem 3, and the valve action to the stem hole portion 3b and the inner space of the central upper tubular portions 2b, 10b.
- annular stem gasket (valve action part) that exhibits the sealing action of 6 shows a sealing action in close contact with the upper annular portion of each of the outer container 1a, the inner container 1d, and the inner bag-like container 1g, and the outer annular concave portions 2e and 10e, and the annular flange-like portions 2n and 10n of the enlarged housings 2 and 10.
- Annular housing gasket, 7 is held by the upper and outer step portions 2m and 10m of the expansion housings 2 and 10 so as to cover the upper surface portion excluding the inner end side of the stem gasket 5, and the stem gasket and the expansion housings 2 and 10 (the lower inner step portion 2k).
- the expansion housing 2 is inserted into the cover cap 8 so that the expansion housing 2 does not come apart when the expansion housing 2 is attached to the aerosol container 1, and the upper outer periphery of the cover cap is radiused so as to engage with the lower end of the annular jaw 2n. It may be deformed inward in the direction.
- 8 includes a top surface having a central opening for moving the stem and its side surface.
- the intermediate cover body 7 is pressed and held, and the housing gasket 6 and the like are incorporated inside, so that the outer container is crimped.
- 1a and the inner container 1d (or the inner bag-shaped container 1g) are deformed inward at the lower ends of the upper end annular portion 1b and the upper end inner annular portions 1e and 1h, so that the aerosol container side and the enlarged housings 2 and 10 are tightly connected.
- aluminum cover caps, 8a is an upper annular concave portion that is set on the inner end side of the upper surface of the cover cap and presses and holds the intermediate cover body 7
- 8b is an annular hanging portion formed on the outer end side of the top surface of the cover cap
- 8c is an outer ring dent-like portion formed on the lower end side of the annular hanging portion 8b by the crimping process
- 9 is an aerosol type product using an inner container 1d, and pipes for inflow of contents (see FIG. 1) attached to the central lower cylindrical portions 2d and 10d of the enlarged housings 2 and 10; Respectively.
- the inner container 1d, the inner bag-shaped container 1g, the enlarged housings 2, 10, the stem 3, the intermediate cover body 7, the pipe 9 and the flow rate adjusting member 11 are made of polypropylene, polyethylene, polyacetal, nylon, polybutylene terephthalate, or the like. It is made of plastic.
- the outer container 1a is made of aluminum or tinplate
- the coil spring 4 is made of stainless steel
- the cover cap 8 is made of metal such as aluminum
- the stem gasket 5 and the housing gasket 6 are made of plastic or rubber.
- a plastic coil spring or leaf spring may be used instead of the metal coil spring 4.
- this plastic coil spring or the like the above metal-less can be achieved.
- the basic features common to the aerosol housing mechanism of FIGS. (31) The outer cylindrical portions 2a and 10a, the central upper cylindrical portions 2b and 10b, the ring ceiling portions 2c and 10c, and the central lower cylindrical portions 2d and 10d constituting the enlarged housings 2 and 10 are entirely made of plastic. Assuming that it is an integral molding of (32)
- the vertical plate rib-shaped portions 2h and 10h for increasing the strength are integrally formed between the outer cylindrical portions 2a and 10a and the central upper cylindrical portions 2b and 10b.
- the concave portions 2g and 10g are not formed, and are formed between the vertical concave portion and a portion closer to the inner peripheral surface of the outer cylindrical portion), (36) An intermediate cover body 7 made of plastic and disposed on the upper surface of the stem gasket 5 with upper and outer step portions 2m, 10m formed on the center upper cylindrical portion side of the ring ceiling portions 2c, 10c. Hold (37) The outer peripheral surfaces of the outer cylindrical portions 2a and 10a are protected by the three-layer members of the upper end inner annular portions 1e and 1h, the upper end annular portion 1b and the annular hanging portion 8b. That is.
- an inner / outer double aerosol container provided with an inner bag-shaped container 1g, an inner / outer communication vertical slit-shaped part 10p is provided in the peripheral part of the central upper cylindrical part 10b, and the inner and outer sides of the vertical slit-shaped part A flow rate adjusting member 11 for adjusting the actual area for communication is disposed. And so on.
- the vertical plate rib-like portions 2h and 10h are disposed between the outer tubular portions 2a and 10a and the central upper tubular portions 2b and 10b.
- the other parts of the enlarged housings 2 and 10 (outer cylindrical parts 2a and 10a, central upper cylindrical parts 2b and 10b, and ring ceiling parts 2c and 10c, etc.) are obtained by increasing the strength of the vertical plate ribs 2h and 10h. As a result, the total amount of resin required for integral molding of the enlarged housing is reduced.
- the thickness of the portion of the central upper cylindrical portion 2b, 10b where the vertical groove-like portions 2f, 10f are not present can be reduced, or the vertical plate rib-like portions 2h, 10h can be reduced.
- the so-called radial length the total amount of resin required for integral molding of the enlarged housing is reduced.
- the plastic intermediate cover body 7 on the upper surface of the stem gasket 5 is held by the upper and outer steps 2m and 10m of the enlarged housings 2 and 10, and the coil spring 4 is assumed to be plastic.
- this intermediate cover body 7 when this intermediate cover body 7 is omitted, seal leakage at the contact portion between the lower inner stepped portions 2k, 10k of the expansion housings 2, 10 and the stem gasket 5, the permeability of the contents themselves, and the injection gas When the contents permeate and permeate through the stem gasket 5 due to pressure, the contents to be released in the container may come into contact with the metal cover cap 8 to cause deterioration, deformation, or modification of the contents themselves. .
- the contact portion of the contents to be released inside the container includes the inner container 1d, the inner bag-shaped container 1g, the enlarged housings 2, 10, the stem 3, the coil spring 4, the stem gasket 5, the housing gasket 6, the intermediate cover body 7 and This is pipe 9.
- the pipe 9 is omitted.
- the outer cylindrical portions 2a and 10a are covered around the side surfaces (outer peripheral surfaces) in a three-layer manner of the upper end inner annular portions 1e and 1h, the upper end annular portion 1b and the annular hanging portion 8b.
- an impact on the annular hanging portion when the lower end side of the annular hanging portion 8b of the cover cap is crimped to fix the housing mechanism to the aerosol container
- the expansion housings 2 and 10 are prevented from being deformed / damaged against the vertical downward force applied to the head and the force applied inward by crimping.
- the central upper cylindrical part 10b is provided with a vertical slit-shaped part 10p for internal and external communication. The actual area for communication between the inside and outside of the vertical slit is adjusted.
- the inner bag-like container in which the amount of the contents has been reduced by a number of contents discharge operations is contracted, and a part of the inner bag-like container is entangled with the center lower cylindrical part 10d, and the contents in the vertical hole part 10j.
- the content passage to the inside of the housing (the inside of the central upper tubular portion 10b) for the remaining contents in the upper space area of the inner bag-like container when the inflow of the material is inhibited is ensured.
- this inflow amount when the content normally flows into the vertical hole portion 10j and the inflow amount of the content from the vertical slit-like portion is optimized.
- the user has not performed a content release operation with respect to a known operation button (not shown), that is, the stem 3 has completely moved upward due to the elastic force of the coil spring 4.
- the stationary mode is shown.
- the stem gasket 5 is in a substantially horizontal state, the inner space area of each of the inner container 1d, the inner bag-like container 1g, and the central upper cylindrical parts 2b, 10b, the inner passage area 3a of the stem 3 and the stem hole part 3b. , Is shut off.
- the upper part of the inner peripheral surface is in close contact with the upper bottom part of the inner ring-shaped concave part 3c of the stem 3, and the lower surface inner part is in close contact with the lower step part of the inner ring-shaped concave part.
- the contents stored in the container side do not flow into the internal passage area 3a of the stem 3.
- the stem 3 moves downward while resisting the upward biasing force of the coil spring 4.
- the inner part of the stem gasket 5 (the part in contact with the stem 3) is deformed like a “bow”.
- each of the inner container 1d and the inner bag-like container 1g are changed into “(pipe 9-) longitudinal hole portions 2j, 10j—center upper cylindrical portions 2b, 10b—stem by the action of the injection gas. It is discharged from the well-known output hole (not shown) through the hole 3b-internal passage area 3a "to the external space area.
- the inner container 1d is incorporated in the outer container 1a so as to maintain its initial height shape, and the contents to be released (stock solution) are put into the inner container from the upper end portion of the opening, (42)
- the aerosol valves enlarged housing 2, stem 3, spring 4, stem gasket 5, housing gasket 6, intermediate cover body 7, cover cap 8, pipe 9) are connected to the upper ends of the outer container 1a and the inner container 1d.
- the outer peripheral surface of the expansion housing 2 is engaged with the inner peripheral surface of the upper end side of the inner bag-like container, and is mounted on both the inner and outer sides of the circumferential portion from above.
- 6 to 12 show an aerosol housing mechanism with a housing cover.
- A is from the upper end portion of the inner space of the inner bag-like container 1g to the inflow opening portion of the below-described central lower cylindrical portion 2d, “the below-described longitudinal concave portion 2g—the below-described downward step portion 2p and the upward step portion 25d ⁇
- An outer passage area (upstream passage area) composed of a separation portion between the outer peripheral surface of the central lower cylindrical portion and an inner peripheral surface of bottomed cylindrical portions 25a to 29a described later, etc. B passes through this inflow opening through “the inner space of the below-described center lower cylindrical portion 2d—the vertical hole portion 2j described later—the inner space of the below-described center upper cylindrical portion 2b—the later-described stem hole portion 3b”.
- Inner passage area (downstream passage area) leading to passage area 3a Respectively.
- Numerals 25 to 29 are fitted to the outer peripheral surface of the central upper cylindrical portion 2b of the enlarged housing 2, and are outer passages from the upper end side internal space region of the inner bag-like container 1g to the inflow opening of the central lower cylindrical portion 2d.
- Sheath-shaped housing cover for setting area A 25 is used in FIG. 6, 26 is used in FIG. 7, 27 is used in FIGS. 8 and 9, 28 is used in FIGS. 10 and 11, 29 is in FIG.
- 25a to 29a are each formed of a lower portion of the housing cover and have a small-diameter bottomed cylindrical portion set so as to be separated from the center lower cylindrical portion 2d, Reference numerals 25b to 29b denote bulged portions formed at the bottom center of the bottomed cylindrical portions 25a to 29a, respectively.
- Reference numerals 25c to 29c each comprise an upper portion of the housing cover, and have a large-diameter cover upper cylindrical portion set so as to be fitted to the outer peripheral surface of the central upper cylindrical portion 2b.
- Reference numerals 25d to 29d denote annular upward stepped portions formed continuously between the inner upper end portions of the bottomed cylindrical portions 25a to 29a and the inner lower end portions of the cover upper cylindrical portions 25c to 29c
- 25e is a wide ring-shaped portion (see FIG. 6) that is formed continuously from the upper end portion of the upper cylindrical portion 25c of the cover to the outside of the horizontal plane and contacts the lower end surface of the vertical plate rib-shaped portion 2h of the enlarged housing 2.
- 26f is a narrow ring-shaped portion (see FIG. 7) continuously formed outward from the upper end portion of the upper cylindrical portion 26c of the cover and in contact with the lower end surface of the vertical rib portion 2h of the enlarged housing 2.
- 27 g is an aspect of an ascending staircase from the upper end portion of the upper cylindrical portion 27 c of the cover to the outer side of the horizontal plane (in the radial direction), and an aspect disposed between the vertical plate rib-shaped portions 2 h adjacent to the enlarged housing 2.
- a total of six radial stepped pieces formed in a circumferential jump see the upper end piece in the circumferential direction: see FIGS.
- 27h is a total of six lower surface annular portions consisting of the lower inner portion of the radial stepped piece portion 27g
- 27j is a total of six upper surface annular portions composed of upper and outer portions of the radial stepped piece portion 27g
- 28k and 29k are mortar-shaped aspects extending upward from the upper end portions of the cover upper cylindrical parts 28c and 29c, respectively, and are arranged between the vertical plate rib-shaped parts 2h adjacent to the enlarged housing 2.
- a total of six mortar-shaped pieces formed in the direction jump (the upper-end side piece in the circumferential direction: see FIGS.
- 27m, 28m, and 29m are set to be continuous in the vertical direction of the cover upper cylindrical portions 27c, 28c, and 29c from the gap portions of the adjacent radial stepped piece portions 27g and mortar-shaped piece portions 28k and 29k, respectively.
- a total of six vertical cutouts that act as entry spaces to the vertical plate ribs 2h when the housing covers 27, 28, 29 are attached to the enlarged housing 2 27n, 28n, and 29n are vertical notch bottom surfaces that contact the lower end surface of the vertical plate rib-shaped portion 2h with the housing covers 27, 28, and 29 attached to the enlarged housing 2, respectively.
- 29p is provided in a chamfered manner of approximately 45 degrees so as to enlarge the circumferential entrance side of the vertical cutout portion 28m of the housing cover 28, and guides the vertical plate rib-like portion 2h to the lower side of the vertical cutout portion.
- a tapered guide (see FIG. 12) to facilitate entry into the part, Respectively.
- the housing covers 25 to 29 are made of plastic made of polypropylene, polyethylene, polyacetal, nylon, polybutylene terephthalate, or the like.
- the characteristic components of the aerosol housing mechanism with the housing cover of FIGS. 6 to 12 are the housing covers 25 to 29, and the other components are the same as those of FIGS.
- the content discharge path from the inner space area on the upper end side of the inner bag-like container 1g to the inner passage area 3a is the outer passage area A in the downward direction between the enlarged housing 2 and the housing covers 25 to 29, and the downstream side thereof. And an inner passage area B in the upward direction inside the housing.
- valve unit VU mode The components of the enlarged housing 2, the housing covers 25 to 29, the valve mechanism (3, 4, 5), the housing gasket 6, the intermediate cover body 7 and the cover cap 8 are integrated into the valve unit VU mode. (Aerosol valve) is incorporated into the outer container 1a and the inner bag-like container 1g.
- the assembly procedure of the aerosol-type product shown in FIGS. (41) The inner bag-like container 1g is incorporated into the outer container 1a so as to maintain its initial height, and the contents to be released (stock solution) are put into the inner bag-like container from the upper end of the opening. (42) Next, the valve unit VU is mounted on both the inner and outer sides of the upper peripheral portion of the outer container 1a and the inner bag-shaped container 1g from above, and the outer peripheral surface of the expansion housing 2 and the inner upper end side of the inner bag-shaped container The peripheral surface is engaged, and the entire valve unit is set in a state slightly separated from the outer container 1a.
- the inner bag-like container 1g incorporated into the outer container 1a in the step (41) has the bellows-like part 1k with the initial length and does not shrink in the vertical direction, and the lower end part is the outer container 1a. It is held in an upright state in contact with the bottom surface. At this time, the upper end portion of the inner bag-like container 1g is located above the outer container 1a and slightly protrudes from the outer container.
- the contents to be released (stock solution) are accommodated in the inner bag-shaped container 1g, and then the pressurized space region 23 is filled with the injection gas, so that the integrated unit of the valve unit VU and the inner bag-shaped container 1g.
- the final aerosol type product is manufactured by crimping the lower end side of the annular hanging portion 8b while pushing down.
- FIGS. 511 An inner passage area B in which the content to be discharged flows from the lower opening side of the central lower cylindrical portion 2d and moves to the upper internal passage area 3a is provided.
- the expansion housing 2 with a general-purpose structure that can be attached with a dip tube (not shown) for inflow of goods, (52)
- a sheath-like housing cover 25 to 29 By enclosing the enlarged housing 2 of this general-purpose structure from below with a sheath-like housing cover 25 to 29, the inner space on the upper end side of the inner bag-like container 1g between the outer peripheral surface of the housing and the inner peripheral surface of the housing cover
- the outer passage area A that continues from the area downward to the inner passage area B was formed. That is.
- the initial discharge operation can be performed once to several times before shipping the aerosol type product. Residual air in the internal space area is released to the external space area.
- This residual air layer is discharged in a compressed state into the external space area together with the contents (raw solution) by the discharge operation, causing the spray contents to scatter.
- the aerosol housing mechanism with a housing cover of FIGS. 6 to 12 is inevitable that malignant residual air is present in the inner space of the upper side of the inner bag-like container 1g, and the outer passage area in the initial discharge operation after the product is completed. It has a function of reliably flowing into A and discharging into the external space.
- FIGS. 6 to 8 and FIG. 10 show so-called operation modes when an operation button (not shown) in the stationary mode is pressed, for example.
- the contents to be released (stock solution) in the inner bag-like container 1g urged so as to contract by the action of the gas for injection in the pressurized space area 23 are "outer passage area A-inner side”. It is discharged into the external space area through passage area B (longitudinal hole portion 2j ⁇ inside center upper cylindrical portion 2b) ⁇ stem hole portion 3b ⁇ internal passage area 3a ⁇ operation button passage portion (not shown) ”.
- FIG. 6 to FIG. 8 and FIG. 10 are the shapes of the housing covers 25, 26, 27 and 28 which are different from each other in the discharge mechanism of the inner and outer double aerosol containers.
- each housing cover in a state where each housing cover is fitted and attached to the outer peripheral surface of the central upper cylindrical portion 2b of the enlarged housing 2, (61)
- the housing cover 25 of FIG. 6 has its wide ring-shaped flange portion 25e abutting against the lower end surface of each of the six vertical plate rib-shaped portions 2h of the enlarged housing 2, (62)
- the housing cover 26 of FIG. 7 has its narrow ring-shaped portion 26f in contact with the lower end surface of each of the six vertical plate rib-like portions 2h of the enlarged housing 2, (63)
- the radial stepped pieces 27g are individually separated into the upper end side space area (inner bag-like container) next to the vertical plate rib-like portion 2h of the enlarged housing 2.
- the mortar-shaped piece 28k is individually separated into the upper end side space area (the inner bag-shaped container 1g of the inner bag-like container 1g) next to the vertical plate rib-shaped portion 2h of the enlarged housing 2.
- the upper end side internal space region), and the vertical notch-like bottom surface 28n abuts on the lower end surface of the vertical plate rib-like part 2h.
- the inlet portion (inflow portion) of the outer passage area A when the housing covers 27, 28 are used is the upper end composed of the inner bag-like container 1 g and the enlarged housing 2. It is a side internal space area and is set for each interval between adjacent vertical plate rib-shaped portions 2h.
- the radial stepped piece 27g or the mortar-shaped pieces 28k and 29k constituting the inlet portion of the outer passage area A are located between the adjacent vertical plate ribs 2h. Set individually.
- valve unit VU when the valve unit VU is attached to the inner bag-shaped container 1g after the injection of the contents to be released (stock solution), the air layer generated in each of the upper end side internal space areas adjacent to the vertical plate rib-shaped part 2h It flows into the outer passage area A more reliably.
- the air present between the vertical plate rib-like portions of the inner bag-like container 1g after the valve unit VU is attached is the outer passage area A having the respective inflow portions (inlets). Is more reliably discharged to the external space area through the inner passage area B and the inner passage area 3a.
- the housing cover 29 in FIG. 12 has a tapered guide part for guiding the vertical plate rib-like part 2h to the entrance side of the vertical notch-like part 28m of the housing cover 28 in FIGS. 29p is provided.
- the tapered guide portion 29p becomes the longitudinal plate rib-like portion 2h.
- the height of the tapered guide portion 29p is It is desirable that the depth is about 1/2 to 1/3 of the entire depth of the vertical notch 29m including the tapered guide.
- the contact portion of the contents to be released stored in the inner bag-like container 1g is the inner bag-like container 1g, the enlarged housing 2, the stem 3, the coil spring 4, the stem as in FIG.
- the present invention is not limited to the contents shown in FIGS. (71)
- Various operation buttons such as a push-down type and a tilting type (spout type) are used as the operation unit for driving the stem 3.
- the number, thickness, shape, etc. of the vertical plate rib-like portions 2h, 10h are arbitrarily set.
- the inner container 1d and the inner bag-shaped container 1g of the aerosol container 1 are omitted.
- the vertical slit-shaped portion 10p is formed in the vertical groove-shaped portion 10f of the central upper cylindrical portion 10b and the convex outer peripheral surface on the back side thereof, which does not overlap with the inner end surface of the vertical plate rib-shaped portion 10h.
- a tapered guide portion similar to the tapered guide portion 29p of the housing cover 29 is provided on the upper portion of the vertical cutout portion 27m of the housing cover 27; You may do it.
- the contents to be released include various properties such as liquid, foam (foam), cream, paste, gel, and powder.
- Aerosol-type products to which the present invention is applied include hair care products such as hair dyes, hair styling agents, hair treatment agents, hair restorers, sunscreens, lotions, cleansing, antiperspirants, shaving foams, insect repellents, etc.
- Hair care products cosmetics, cleaning agents, cleaning agents, cooling agents, muscle anti-inflammatory agents, foods, liquid drops (such as vitamins), pharmaceuticals, quasi drugs, paints, horticultural agents, insecticides, cleaners, disinfectants
- odorants such as odorants, laundry glue, urethane foam, fire extinguishers, adhesives and lubricants.
- the contents to be released contained in the container main body are, for example, a powdery substance, an oil component, an alcohol, a surfactant, a polymer compound, and an active ingredient according to each application.
- metal salt powder inorganic powder, resin powder, etc.
- talc kaolin, aluminum hydroxychloride (aluminum salt), calcium alginate, gold powder, silver powder, mica, carbonate, magnesium chloride, silica, zinc oxide, titanium oxide, zeolite, nylon powder, barium sulfate, cellulose, and mixtures thereof Etc. are used.
- Oil components include silicone oils such as dimethylpolysiloxane, ester oils such as isopropyl myristate, oils and fats such as palm oil, eucalyptus oil, camellia oil, olive oil and jojoba oil, hydrocarbon oils such as liquid paraffin (paraffin oil), Fatty acids such as myristic acid, palmitic acid, stearic acid, linoleic acid, and linolenic acid are used.
- silicone oils such as dimethylpolysiloxane
- ester oils such as isopropyl myristate
- oils and fats such as palm oil, eucalyptus oil, camellia oil, olive oil and jojoba oil
- hydrocarbon oils such as liquid paraffin (paraffin oil)
- Fatty acids such as myristic acid, palmitic acid, stearic acid, linoleic acid, and linolenic acid are used.
- alcohols monovalent lower alcohols such as ethanol, monovalent higher alcohols such as lauryl alcohol and cetanol, polyhydric alcohols such as ethylene glycol, 1,3-butylene glycol and glycerin are used.
- Surfactants include anionic surfactants such as sodium lauryl sulfate, nonionic surfactants such as polyoxyethylene oleyl ether and polyglycerin fatty acid ester, amphoteric surfactants such as lauryl dimethylaminoacetic acid betaine, alkyl chloride A cationic surfactant such as trimethylammonium is used.
- polymer compound hydroxyethyl cellulose, methyl cellulose, gelatin, starch, casein and the like are used.
- Active ingredients according to each application include anti-inflammatory analgesics such as methyl salicylate and indomethacin, antibacterial agents such as sodium benzoate and cresol, insect repellents such as pyrethroid and diethyltoluamide, and zinc paraphenolsulfonate.
- analgesics such as methyl salicylate and indomethacin
- antibacterial agents such as sodium benzoate and cresol
- insect repellents such as pyrethroid and diethyltoluamide
- zinc paraphenolsulfonate include anti-inflammatory analgesics such as methyl salicylate and indomethacin, antibacterial agents such as sodium benzoate and cresol, insect repellents such as pyrethroid and diethyltoluamide, and zinc paraphenolsulfonate.
- Sweats camphor, menthol and other refreshing agents, ephedrine, adrenaline and other anti-asthma drugs, sucralose, aspartame and other sweeteners, epoxy resin, urethane and other adhesives and paints, paraphenylenediamine, aminophenol and other dyes
- Oxidizing agents such as hydrogen oxide water, setting agents such as acrylic resins and waxes, UV absorbers such as 2-ethylhexyl paramethoxycinnamate, vitamins such as retinol and dl- ⁇ -tocopherol, and moisturizing agents such as hyaluronic acid , Ammonium dihydrogen phosphate, carbonated water Use extinguishing agents such as sodium and potassium.
- suspending agents emulsifiers, antioxidants, sequestering agents and the like other than the above contents can also be used.
- Injection gas includes carbon dioxide, nitrogen gas, compressed air, oxygen gas, nitrous oxide, rare gas, mixed gas such as these, and liquefied gases such as liquefied petroleum gas, dimethyl ether, hydrofluoroolefin, and fluorocarbon. Is used.
- Aerosol container 1a Outer container 1b: Upper end annular part 1c: Ring dent part 1d: Inner container (FIG. 1) 1e: Upper inner ring portion (FIG. 1) 1f: Inner ring dent (FIG. 1) 1g: Inner bag-like container (Fig. 2, Fig. 5 to Fig. 8, Fig. 10) 1h: Upper inner ring portion (FIGS. 2, 5 to 8, and 10) 1j: Inner ring dent (FIGS. 2, 5 to 8, and 10) 1k: bellows-like part (FIGS.
- FIG. 6-12 A: Outer passage area (upstream passage area) B: Inner passage area (downstream passage area) 25: Housing cover (Fig. 6) 26: Housing cover (FIG. 7) 27: Housing cover (FIGS. 8 and 9) 28: Housing cover (FIGS. 10 and 11) 29: Housing cover (Fig. 12) 25a to 29a: Small-diameter bottomed cylindrical portions 25b to 29b: Swelled portions 25c to 29c: Large-diameter cover upper cylindrical portions 25d to 29d: Annular upward stepped portions 25e: Wide annular flanges (FIG. 6) 26f: Narrow ring-shaped part (FIG. 7) 27g: radial stepped piece (FIGS.
- 27h Lower surface annular portion (FIG. 9)
- 27j Upper surface annular portion (FIG. 9)
- 28k, 29k mortar piece (FIGS. 10 to 12)
- 27m, 28m, 29m Longitudinal notch (Figs. 8-12)
- 27n, 28n, 29n bottom surface of vertical notch (FIGS. 8 to 12)
- 29p Tapered guide (FIG. 12)
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Abstract
Description
(11)拡大ハウジングを構成する外側筒状部と中央筒状部との間に、強度アップ用のリブ状部を一体成形し、
(12)リブ状部を、外側筒状部および中央筒状部それぞれの径方向に形成し、
(13)中央筒状部の、内容物通過用の縦溝状部が設けられていない内周面部分の外周面側に縦凹状部を形成して、当該中央筒状部自体の厚みを小さくし、
(14)リブ状部を、外側筒状部の内周面と、中央筒状部内周面の縦溝状部の裏側外周面部分(=縦凹状部が形成されず、当該縦凹状部よりも外側筒状部内周面に近い部分)との間に、すなわち外側筒状部内周面と中央筒状部外周面との間でより短い部分を選んで形成し、
(15)外側筒状部と中央筒状部との間の環天井部に、ステムガスケットの上面に配設されたプラスチック製で二重シール用の中間カバー体を保持し、
(16)外側筒状部の外周面を、外容器および内容器・内側袋状容器それぞれの上端サイドの環状部と、拡大ハウジングの環天井部などに対するカバーキャップの外側環状垂下部の三層部材により保護し、
(17)内外二重エアゾール容器のハウジング中央筒状部の周回部分に、内容物流入用のスリット状部を付加的に設ける、すなわち通常の中央筒状部底部分に形成された縦方向孔部とは別に設ける、
(18)内外二重エアゾール容器の内側袋状容器形状を特にかえることなく、ハウジングカバー体の設定により、ハウジング外周面側に、その上端側からハウジング内部への内容物放出迂回ルートを設けて、初期放出操作のときに当該上端側の残留空気を排出する、
といった各構成態様を用いている。
(1)放出対象内容物および噴射用ガスを収容する容器本体(例えば後述のエアゾール容器1)の開口側(例えば後述の上端環状部1b)に取り付けられる外側筒状部(例えば後述の外側筒状部2a,10a)と、
前記外側筒状部の内側に形成されて、内容物放出操作に連動するステム(例えば後述のステム3)の少なくとも下側部分を収容する中央筒状部(例えば後述の中央上筒状部2b,10b,中央下筒状部2d,10d)と、
前記外側筒状部および前記中央筒状部それぞれの上端部分同士の間に形成された環天井部(例えば後述の環天井部2c,10c)と、
前記外側筒状部と前記中央筒状部との間に構造強度を高めるため形成されたリブ状部(例えば後述の縦板リブ状部2h,10h)と、からなり、
前記外側筒状部,前記中央筒状部,前記環天井部および前記リブ状部の全体が合成樹脂により一体成形された、
構成態様のエアゾールハウジング機構を用いる。
(2)上記(1)において、
前記リブ状部は、
前記中央筒状部から前記外側筒状部にかけて放射状に複数形成された、
構成態様のものを用いる。
(3)上記(1)~(2)において、
前記中央筒状部は、
その内周面の一部に内容物通過用の縦溝状部(例えば後述の縦溝状部2f,10f)が形成され、
その外周面の一部であって当該縦溝状部が設けられていない内周面部分の裏側に、縦凹状部(例えば後述の縦凹状部2g,10g)が形成された、
構成態様のものを用いる。
(4)上記(3)において、
前記リブ状部は、
前記外側筒状部の内周面と、前記中央筒状部の外周面の一部であって前記縦溝状部の裏側に相当する外周面部分と、の間に形成された、
構成態様のものを用いる。
(5)上記(1)~(4)において、
前記環天井部は、
その内端側に形成されて、前記ステムとの間の弁作用を呈するステムガスケット(例えば後述のステムガスケット5)の外周縁部分を保持する環状の下段部(例えば後述の下内側段部2k,10k)と、
当該下段部の上側に形成されて、当該ステムガスケットの上面部分に設けられる内容物漏れ防止用で環状のプラスチック製カバー体(例えば後述の中間カバー体7)の外周縁部分を保持する、環状の上段部(例えば後述の上外側段部2m,10m)と、
を備えた、
構成態様のものを用いる。
(6)上記(1)~(5)において、
前記外側筒状部は、
その外周面が、
前記環天井部を覆う環状の金属製カバー体(例えば後述のカバーキャップ8)の外端側の筒状垂下部(例えば後述の環状垂下部8b)と、
外容器(例えば後述の外容器1a)の一部であって、当該筒状垂下部の内側に配設された上端中間環状部(例えば後述の上端環状部1b)と、
当該外容器の内部空間域に設けられた内容器(例えば後述の内容器1d,内側袋状容器1g)の一部であって、当該上端中間環状部の内側に配設された上端内側環状部(例えば後述の上端内側環状部1e,1h)と、
の三層状態で保護された、
構成態様のものを用いる。
(7)上記(1)~(6)において、
前記中央筒状部は、
内容物流入用のチューブが取り付けられ得る下側筒状部(例えば後述の中央下筒状部2d,10d)を備えた、
(8)上記(1)~(7)において、
前記中央筒状部の下側を囲む形で設けられて、当該中央筒状部の外周面との間に、前記容器本体の内部空間域上端側から下方向に前記中央筒状部の内部の内側通路域(例えば後述の内側通路域B)まで続く外側通路域(例えば後述の外側通路域A)を形成する、上開口のハウジングカバー(例えば後述のハウジングカバー25~29)を備え、
外部空間域に放出される前記放出対象内容物は、
前記外側通路域を前記上端側から下方向に移動した後、その下流側の前記内側通路域を上方向に移動する、
構成態様のものを用いる。
(9)上記(8)において、
前記ハウジングカバー(例えば後述のハウジングカバー27,28,29:図8~図12)は、
前記リブ状部の隣同士間に設定される個々の上端側内部空間域に入り込んで前記外側通路域の入口部分として作用する上端側片部(例えば後述の径方向階段状片部27g,すり鉢状片部28k,29k)を備えた、
構成態様のものを用いる。
(21)拡大ハウジングの変形や割れを阻止しつつ、拡大ハウジング成形用の合成樹脂使用量の減少化を図り、
(22) ステムガスケット上面部分に設けられる環状のプラスチック製カバーを設けることでステムガスケットから内容物が浸透、透過し、金属のカバーに接触することに対しての十全化を図り、
(23)放出対象内容物が触れる範囲全体の金属レス化を図り、
(24)内側袋状容器がその内容物減少にともなって中央筒状部下側に当接した場合にもその上方空間域における残留内容物のハウジング流入動作の確実化を図り、
(25)拡大ハウジングの鍔状部分(環天井部)の補強用縦板リブ状部間における残留空気の排出の確実化を図り、
(26)当該残留空気を排出する内外二重エアゾール容器の放出機構における拡大ハウジングの有効利用化や製品コストの削減化などを図り、
(27)内外二重エアゾール容器の放出機構における内側袋状容器上端側の内部空間域の残留空気排出についての技術の豊富化を図る、
ことができる。
1は放出対象内容物や噴射用ガスが収容(充填)される、周知のエアゾール容器,
1aは上開口で硬性状の外容器,
1bは外容器1aの上端側であって、後述の拡大ハウジング2,10などが配設される上端環状部,
1cは上端環状部1bの下端連続部分に初期形成され、上端環状部1bに後述のカバーキャップ8をセットした状態で、その環状垂下部8bの下端側を内方に向けて周知のクリンプ加工により塑性変形させて固定するための、外容器1aの環へこみ状部,
1dは外容器1aの内側に配設されて、例えば自らの内部空間域に放出対象内容物(原液)および噴射用ガスを収容する上開口で軟性の内容器(図1参照),
1eは内容器1dの上端側であって、外容器1aの上端環状部1bと後述の外側筒状部2a,10aとの間に配設保持される上端内側環状部,
1fは自らのブロー成型のときに形成されて、外容器1aの環へこみ状部1cの内側に配設される内容器1dの内側環へこみ状部,
1gは外容器1aの内側に配設されて、その外側の容器内面1aとの間に噴射用ガスを収容し、かつ、その内部空間域に放出対象内容物(原液)を収容する内容器としての、上開口で軟性の内側袋状容器(図2,図5~図8,図10参照),
1hは内側袋状容器1gの上端側であって、外容器1aの上端環状部1bと後述の外側筒状部2a,10aとの間に配設保持される上端内側環状部(内側袋状容器の上端側内周面),
1jは外容器1aの環へこみ状部1cの内側の対向部分に配設され、当該内側袋状容器のブロー成型の際に上端内側環状部1hの下端側に形成された内側袋状容器1gの内側環へこみ状部(内側袋状容器の上端側内周面),
1kは内側袋状容器1gの上側部分に形成されて、内容物収容済みの当該内側袋状容器が取り付けられた後述のハウジング機構をエアゾール容器1に固定する前の自然長の伸状態では、上端環状部1bの上端と上端内側環状部1hとの間からそれに続く内部空間域に噴射用ガスを充填でき、かつ、噴射用ガスを充填した直後のカバーキャップ8の押し下げに伴って、当該内側袋状容器の内側環へこみ状部1jが、図2,図5~図8,図10に示すように当該カバーキャップのクリンプ加工位置の対応部分まで収縮する、上下方向の伸縮機能を備えた蛇腹状部,
1mは外容器1aの内部空間域側の容器内面,
1nは外容器1aと内側袋状容器1gとの間の環状周回部分および底側部分からなり、噴射用ガスが充填された与圧空間域,
をそれぞれ示している。
2a,10は従前のマウンティングカップの機能も併せ備えてその全体がプラスチック素材により一体成形されたものであり、外容器1aの上端環状部1b(開口部分)に配設されて、中央筒状部分には後述のステム3,コイルスプリング4およびステムガスケット5などの周知のバルブ機構が収容保持される拡大ハウジング,
2a,10aは自外周面に、その外方に向かって、内容器1d,内側袋状容器1gの上端内側環状部1e,1hと、外容器1aの上端環状部1bと、後述のカバーキャップ8の環状垂下部8bとが、いわば三層状態で配設される外側筒状部,
2b,10bは外側筒状部2a,10aと同一の上下方向中心軸を持ち、後述のステム3の下側部分およびコイルスプリング4を収容保持する大径の中央上筒状部,
2c,10cは外側筒状部2a,10aと中央上筒状部2b,10bとの間のいわば天板部分として作用する環天井部,
2d,10dは中央上筒状部2b,10bから下方に連続形成されて、後述のパイプ9を取り付けるための小径の中央下筒状部,
2e,10eは外側筒状部2a,10aの上端側外周面に形成されて、後述のハウジングガスケット6の内周面を保持する外側環凹状部,
2f,10fは中央上筒状部2b,10bの内周面に等間隔で飛び飛びに形成された計六個の内容物通過用の縦溝状部,
2g,10gは中央上筒状部2b,10bの外周面であって、縦溝状部2f,10fが設けられていない内周面部分の裏側に等間隔で飛び飛びに形成された計六個の成形樹脂量低減用の縦凹状部,
2h,10hは外側筒状部2a,10aの内周面と、中央上筒状部2b,10bの外周面における縦溝状部2f,10fの裏側部分(=縦凹状部2g,10gが形成されていない部分)との間の当該外側筒状部および当該中央上筒状部の径方向に、環天井部2c,10cまで続く上下平板態様で等間隔の飛び飛びに形成された計六個の強度アップ用の縦板リブ状部,
2j,10jは中央上筒状部2b,10bと中央下筒状部2d,10dとの境界部分に形成された内容物通過用の縦方向孔部,
2k,10kは環天井部2c,10cの最内側部分に形成されて後述のステムガスケット5を保持する環状の下内側段部,
2m,10mは下内側段部2k,10kの外方直上部分に形成されて、後述の中間カバー体7を保持する環状の上外側段部,
2n,10nは環天井部2c,10cの外端側の、外側筒状部2a,10aから外方に飛び出した部分であって、後述のハウジングガスケット6の上端面を保持する環鍔状部,
2pは中央下筒状部2dの上端部分と中央上筒状部2bの下端部分との間に連続形成された環状の下向き段部,
10pは中央上筒状部10bの縦凹状部10g(および縦溝状部10fが形成されていない内周面縦方向部分)に形成されて、当該中央上筒状部の内外間の内容物移動用開口部として作用する縦スリット状部(図5参照),
11は中央上筒状部10bの外周面の縦凹状部10gに下から嵌められていく縦方向凸状部と、その両隣で、縦溝状部10fが形成されていない部分の裏側外周面に対応した縦方向凹状部とが、内周面に交互に形成された部材であり、当該縦凹状部などに取り付けられた状態で縦スリット状部10pの下側部分を塞ぐことにより、当該縦スリット状部の内容物移動用の開口実面積を調整する筒状の流量調整部材(図5参照),
11aは流量調整部材11の内周面下側部分に形成されて、中央上筒状部10bの環状下面と係合する環状段部(図5参照),
をそれぞれ示している。
3は操作ボタン(図示省略)に取り付けられて上下方向に連動し、後述のステムガスケット5との間で弁作用を呈する周知のステム,
3aはステム内部空間域であって放出対象内容物(原液)や噴射用ガスの通過用の内部通路域,
3bは作動モードにおいて内部通路域3aと中央上筒状部2b,10bの内側空間域とを連通させる一対のステム孔部(バルブ作用部),
3cはステム孔部3bを含む形のステム外周面周方向に形成されて、後述のステムガスケット5との間の弁作用を呈する内側環凹状部,
をそれぞれ示している。
4は中央上筒状部2b,10bの底面部分とステム3との間に配設されて、当該ステムを上方向に付勢する周知のコイルスプリング,
5は拡大ハウジング2,10の下内側段部2k,10kおよびステム3の内側環凹状部3cに保持されて、ステム孔部3bへの弁作用および中央上筒状部2b,10bの内部空間域のシール作用を呈する環状のステムガスケット(バルブ作用部),
6は外容器1a,内容器1d,内側袋状容器1gそれぞれの上端環状部および拡大ハウジング2,10の外側環凹状部2e,10e,環鍔状部2n,10nに密接してシール作用を呈する環状のハウジングガスケット,
7はステムガスケット5の内端側を除く上面部分を覆う形で拡大ハウジング2,10の上外側段部2m,10mに保持されて、当該ステムガスケットと拡大ハウジング2,10(下内側段部2k,10k)との間でのシール漏れ分への、いわば二重シール作用を呈する環状の中間カバー体,
をそれぞれ示している。
また、拡大ハウジング2をエアゾール容器1に取り付ける際にばらけないようにカバーキャップ8内に拡大ハウジング2を挿入し、環顎状部2nの下端に係合するようにカバーキャップの上部外周を半径方向内側に変形させてもよい。
8はステム移動用の中心開口部を持つ天面およびその側面からなって、中間カバー体7を押圧保持し、かつ、ハウジングガスケット6などをいわば内部に組み込んだ状態で、クリンプ加工により、外容器1aおよび内容器1d(または内側袋状容器1g)の上端環状部1b,上端内側環状部1e,1hそれぞれの下端側を内側に変形させて、エアゾール容器側と拡大ハウジング2,10とを密に一体化する例えばアルミ製のカバーキャップ,
8aは当該カバーキャップの上面内端側に設定されて中間カバー体7を押圧保持する上側環凹状部,
8bは当該カバーキャップの天面外端側に形成された環状垂下部,
8cは上記クリンプ加工により環状垂下部8bの下端側に形成された外側環へこみ状部,
9は内容器1dを用いるタイプのエアゾール式製品において、拡大ハウジング2,10の中央下筒状部2d,10dに取り付けられた内容物流入用のパイプ(図1参照),
をそれぞれ示している。
(31)拡大ハウジング2,10を構成する、外側筒状部2a,10a,中央上筒状部2b,10b,環天井部2c,10cおよび中央下筒状部2d,10dの全体が、プラスチック製の一体成形物であることを前提とし、
(32)外側筒状部2a,10aと中央上筒状部2b,10bとの間に強度アップ用の縦板リブ状部2h,10hを同じく一体成形している、
(33)縦板リブ状部2h,10hの形成方向が、外側筒状部2a,10aおよび中央上筒状部2b,10bそれぞれの径方向であり、
(34)中央上筒状部2b,10bの、縦溝状部2f,10fが設けられていない部分それぞれの外周面側に縦凹状部2g,10gを形成して、その分、当該中央上筒状部自体の厚みを小さくし、
(35)縦板リブ状部2h,10hを、外側筒状部2a,10aの内周面と、中央上筒状部2b,10bの縦溝状部2f,10fの裏側外周面部分(=縦凹状部2g,10gが形成されず、当該縦凹状部よりも外側筒状部内周面に近い部分)と、の間に形成し、
(36)環天井部2c,10cの中央上筒状部側に形成した上外側段部2m,10mで、ステムガスケット5の上面に配設されたプラスチック製で二重シール用の中間カバー体7を保持し、
(37)外側筒状部2a,10aの外周面を、上端内側環状部1e,1h,上端環状部1bおよび環状垂下部8bの三層部材により保護した、
ことである。
(38)内側袋状容器1gを備えた内外二重エアゾール容器において、その中央上筒状部10bの周回部分に内外連通用の縦スリット状部10pを設け、また、この縦スリット状部の内外連通用の実面積を調整するための流量調整部材11を配設した、
ことなどである。
(41)外容器1aの内部に内容器1dをその初期高さ形状を維持する形で組み込み、その開口上端部分から当該内容器に放出対象内容物(原液)を入れ、
(42)次に、エアゾールバルブ(拡大ハウジング2、ステム3、スプリング4、ステムガスケット5、ハウジングガスケット6、中間カバー体7、カバーキャップ8、パイプ9)を、外容器1aおよび内容器1dの上端周回部分の内外両側に上方から装着して、拡大ハウジング2の外周面と当該内側袋状容器の上端側内周面とが係合し、
(43)次に、周知のクリンパーにより、カバーキャップ8の環状垂下部8bの下端側を内方にクリンプ加工し外容器1aに取り付け、
(44)次に、周知のガス充填装置により、ステム3から噴射用ガスを充填して製造される。
Aは内側袋状容器1gの内部空間域上端側部分から後述の中央下筒状部2dの流入開口部分までの、「後述の縦凹状部2g-後述の下向き段部2pと上向き段部25d~29dとの離間部分-当該中央下筒状部の外周面と後述の有底筒状部25a~29aの内周面との離間部分」などからなる外側通路域(上流側通路域),
Bはこの流入開口部分から「後述の中央下筒状部2dの内部空間-後述の縦方向孔部2j-後述の中央上筒状部2bの内部空間-後述のステム孔部3b」を経て内部通路域3aにいたる内側通路域(下流側通路域),
をそれぞれ示している。
25~29はそれぞれ拡大ハウジング2の中央上筒状部2bの外周面に嵌合して、内側袋状容器1gの上端側内部空間域から中央下筒状部2dの流入開口部までの外側通路域Aを設定する鞘状のハウジングカバー(25は図6で使用,26は図7で使用,27は図8および図9で使用,28は図10および図11で使用,29は図12で使用),
25a~29aはそれぞれ当該ハウジングカバーの下側部分からなり、中央下筒状部2dの外側に離間する形で設定された小径の有底筒状部,
25b~29bはそれぞれ有底筒状部25a~29aの底面中央に形成された膨らみ部分,
25c~29cはそれぞれ当該ハウジングカバーの上側部分からなり、中央上筒状部2bの外周面に嵌合する形で設定された大径のカバー上筒状部,
25d~29dはそれぞれ有底筒状部25a~29aの内側上端部分とカバー上筒状部25c~29cの内側下端部分との間に連続形成された環状の上向き段部,
25eはカバー上筒状部25cの上端部分から横平面外方に連続形成されて拡大ハウジング2の縦板リブ状部2hの下端面に当接した幅広環鍔状部(図6参照),
26fはカバー上筒状部26cの上端部分から横平面外方に連続形成されて拡大ハウジング2の縦板リブ状部2hの下端面に当接した幅狭環鍔状部(図7参照),
27gはカバー上筒状部27cの上端部分から横平面外方(径方向)への昇り階段の態様、かつ、拡大ハウジング2の隣同士の縦板リブ状部2hの間に配設される態様で周方向飛び飛びに形成された計六個の径方向階段状片部(周方向の上端側片部:図8,図9参照),
27hは径方向階段状片部27gの下内側部分からなる計六個の下面環状部,
27jは径方向階段状片部27gの上外側部分からなる計六個の上面環状部,
28k,29kはそれぞれカバー上筒状部28c,29cの上端部分から上方へ広がるすり鉢状の態様、かつ、拡大ハウジング2の隣同士の縦板リブ状部2hの間に配設される態様で周方向飛び飛びに形成された計六個のすり鉢状片部(周方向の上端側片部:図10~図12参照),
27m,28m,29mはそれぞれ隣同士の径方向階段状片部27g,すり鉢状片部28k,29kの隙間部分からカバー上筒状部27c,28c,29cの上下方向に連続する形に設定され、ハウジングカバー27,28,29を拡大ハウジング2に取り付ける際に縦板リブ状部2hへの進入空間域として作用する計六個の縦切欠状部、
27n,28n,29nはそれぞれハウジングカバー27,28,29を拡大ハウジング2に取り付けた状態で縦板リブ状部2hの下端面と当接する縦切欠状部底面,
29pはハウジングカバー28の縦切欠状部28mの周方向入口側を拡大するように略45度の面取り態様で設けられ、縦板リブ状部2hを案内してその当該縦切欠状部の下側部分への進入を容易にするためのテーパー状案内部(図12参照),
をそれぞれ示している。
(41)外容器1aの内部に内側袋状容器1gをその初期高さ形状を維持する形で組み込み、その開口上端部分から当該内側袋状容器に放出対象内容物(原液)を入れ、
(42)次に、バルブユニットVUを、外容器1aおよび内側袋状容器1gの上端周回部分の内外両側に上方から装着して、拡大ハウジング2の外周面と当該内側袋状容器の上端側内周面とが係合し、かつ、当該バルブユニットの全体が外容器1aから少し上方に離間した状態に設定し、
(43)次に、周知のガス充填装置により、外容器1aの上端側外周面とカバーキャップ8の環状垂下部内周面との隙間部分から、未シール状態のハウジングガスケット6の下側部分およびその先の外容器1a,内側袋状容器1gの隙間部分へ、噴射用ガスを充填し、
(44)同じく周知のガス充填装置により、バルブユニットVUを押し下げ、かつ、カバーキャップ8の環状垂下部8bの下端側を内方にクリンプ加工する、
といった作業手順になる。
(51)放出対象内容物が中央下筒状部2dの下開口側から流入して上方の内部通路域3aへと移動する内側通路域Bを備え、当該中央下筒状部には周知の内容物流入用のディップチューブ(図示省略)の取付けも可能な、汎用構造の拡大ハウジング2をそのまま使い、
(52)この汎用構造の拡大ハウジング2をその下方から鞘状のハウジングカバー25~29で囲むことにより、ハウジング外周面とハウジングカバー内周面との間に内側袋状容器1gの上端側内部空間域から下方向に内側通路域Bまで続く外側通路域Aを形成した、
ことである。
(61)図6のハウジングカバー25は,その幅広環鍔状部25eが拡大ハウジング2の六個の縦板リブ状部2hそれぞれの下端面に当接し、
(62)図7のハウジングカバー26は,その幅狭環鍔状部26fが拡大ハウジング2の六個の縦板リブ状部2hそれぞれの下端面に当接し、
(63)図8,図9のハウジングカバー27は,その径方向階段状片部27gが、個々に、拡大ハウジング2の縦板リブ状部2hの隣同士の上端側空間域(内側袋状容器1gの上端側内部空間域)まで入り込み、かつ、その縦切欠状部底面27nが縦板リブ状部2hの下端面と当接し、
(64)図10,図11のハウジングカバー28は,そのすり鉢状片部28kが、個々に、拡大ハウジング2の縦板リブ状部2hの隣同士の上端側空間域(内側袋状容器1gの上端側内部空間域)まで入り込み、かつ、その縦切欠状部底面28nが縦板リブ状部2hの下端面と当接する、
態様にそれぞれ設定されている。
(71)ステム3を駆動する操作部として押下げタイプ,傾動タイプ(スパウトタイプ)などの各種操作ボタンを用いる、
(72)縦板リブ状部2h,10hの個数や厚み,形状などを任意に設定する、
(73)エアゾール容器1の内容器1dや内側袋状容器1gを省略する、
(74)縦スリット状部10pを、中央上筒状部10bの縦溝状部10fおよびその裏側の凸状外周面であって、縦板リブ状部10hの内側端面と重ならない部分に形成する、
(75)ハウジングカバー27の縦切欠状部27mの上側部分にハウジングカバー29のテーパー状案内部29pと同様のテーパー状案内部を設ける、
ようにしてもよい。
1a:外容器
1b:上端環状部
1c:環へこみ状部
1d:内容器(図1)
1e:上端内側環状部(図1)
1f:内側環へこみ状部(図1)
1g:内側袋状容器(図2,図5~図8,図10)
1h:上端内側環状部(図2,図5~図8,図10)
1j:内側環へこみ状部(図2,図5~図8,図10)
1k:蛇腹状部(図2,図5~図8,図10)
1m:容器内面
1n:与圧空間域
2,10:拡大ハウジング
2a,10a:外側筒状部
2b,10b:中央上筒状部
2c,10c:環天井部
2d,10d:中央下筒状部
2e,10e:外側環凹状部
2f,10f:縦溝状部
2g,10g:縦凹状部
2h,10h:縦板リブ状部
2j,10j:縦方向孔部
2k,10k:下内側段部
2m,10m:上外側段部
2n,10n:環鍔状部
2p:環状の下向き段部
10p:スリット状部(図5)
11:流量調整部材(図5)
11a:環状段部(図5)
3:ステム
3a:内部通路域
3b:ステム孔部
3c:内側環凹状部
4:コイルスプリング
5:ステムガスケット
6:ハウジングガスケット
7:中間カバー体
8:カバーキャップ
8a:上側環凹状部
8b:環状垂下部
8c:クリンプ加工部
9:パイプ(図1)
A:外側通路域(上流側通路域)
B:内側通路域(下流側通路域)
25:ハウジングカバー(図6)
26:ハウジングカバー(図7)
27:ハウジングカバー(図8,図9)
28:ハウジングカバー(図10,図11)
29:ハウジングカバー(図12)
25a~29a:小径の有底筒状部
25b~29b:膨らみ部分
25c~29c:大径のカバー上筒状部
25d~29d:環状の上向き段部
25e:幅広環鍔状部(図6)
26f:幅狭環鍔状部(図7)
27g:径方向階段状片部(図8,図9)
27h:下面環状部(図9)
27j:上面環状部(図9)
28k,29k:すり鉢状片部(図10~図12)
27m,28m,29m:縦切欠状部(図8~図12)
27n,28n,29n:縦切欠状部底面(図8~図12)
29p:テーパー状案内部(図12)
Claims (10)
- 放出対象内容物および噴射用ガスを収容する容器本体の開口側に取り付けられる外側筒状部と、
前記外側筒状部の内側に形成されて、内容物放出操作に連動するステムの少なくとも下側部分を収容する中央筒状部と、
前記外側筒状部および前記中央筒状部それぞれの上端部分同士の間に形成された環天井部と、
前記外側筒状部と前記中央筒状部との間に構造強度を高めるため形成されたリブ状部と、からなり、
前記外側筒状部,前記中央筒状部,前記環天井部および前記リブ状部の全体が合成樹脂により一体成形されたものである、
ことを特徴とするエアゾールハウジング機構。 - 前記リブ状部は、
前記中央筒状部から前記外側筒状部にかけて放射状に複数形成されている、
ことを特徴とする請求項1記載のエアゾールハウジング機構。 - 前記中央筒状部は、
その内周面の一部に内容物通過用の縦溝状部が形成され、
その外周面の一部であって当該縦溝状部が設けられていない内周面部分の裏側に、縦凹状部が形成されている、
ことを特徴とする請求項1乃至2のいずれかに記載のエアゾールハウジング機構。 - 前記リブ状部は、
前記外側筒状部の内周面と、前記中央筒状部の前記縦溝状部の裏側外周面部分との間に形成されている、
ことを特徴とする請求項3記載のエアゾールハウジング機構。 - 前記環天井部は、
内端側に形成されて、前記ステムとの間の弁作用を呈するステムガスケットの外周縁部分を保持する環状の下段部と、
当該下段部の上側に形成されて、当該ステムガスケットの上面部分に設けられる環状のプラスチック製カバー体の外周縁部分を保持する、環状の上段部と、
を備えている、
ことを特徴とする請求項1乃至4のいずれかに記載のエアゾールハウジング機構。 - 前記外側筒状部は、
その外周面が、
前記環天井部を覆う環状の金属製カバー体の外端側の筒状垂下部と、
外容器の一部であって、当該筒状垂下部の内側に配設された上端中間環状部と、
当該外容器の内部空間域に設けられた内容器の一部であって、当該上端中間環状部の内側に配設された上端内側環状部と、
の三層状態で保護されている、
ことを特徴とする請求項1乃至5のいずれかに記載のエアゾールハウジング機構。 - 前記中央筒状部は、
内容物流入用のチューブが取り付けられ得る下側筒状部を備えている、
ことを特徴とする請求項1乃至6のいずれかに記載のエアゾールハウジング機構。 - 前記中央筒状部の下側を囲む形で設けられて、当該中央筒状部の外周面との間に、前記容器本体の内部空間域上端側から下方向に前記中央筒状部の内部の内側通路域まで続く外側通路域を形成する、上開口のハウジングカバーを備え、
外部空間域に噴射される前記放出対象内容物は、
前記外側通路域を前記上端側から下方向に移動した後、その下流側の前記内側通路域を上方向に移動する、
ことを特徴とする請求項1乃至7記載のいずれかに記載のエアゾールハウジング機構。 - 前記ハウジングカバーは、
前記リブ状部の隣同士間に設定される個々の上端側内部空間域に入り込んで前記外側通路域の入口部分として作用する上端側片部を備えた、
ことを特徴とする請求項1乃至8記載のいずれかに記載のエアゾールハウジング機構。 - 請求項1乃至9のいずれかに記載のエアゾールハウジング機構を備えて、前記容器本体に前記放出対象内容物および前記噴射用ガスを収容した、
ことを特徴とするエアゾール式製品。
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EP14867024.3A EP3078606B1 (en) | 2013-12-03 | 2014-11-28 | Aerosol housing mechanism and aerosol product provided with said aerosol housing mechanism |
US15/039,660 US10029844B2 (en) | 2013-12-03 | 2014-11-28 | Aerosol housing mechanism and aerosol-type product having the aerosol housing mechanism |
KR1020167015943A KR102005615B1 (ko) | 2013-12-03 | 2014-11-28 | 에어로졸 하우징 기구 및 이 에어로졸 하우징 기구를 구비한 에어로졸식 제품 |
CN201480065282.1A CN105980264B (zh) | 2013-12-03 | 2014-11-28 | 喷雾器壳体机构以及具备该喷雾器壳体机构的喷雾式制品 |
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CN105980264A (zh) | 2016-09-28 |
EP3078606A4 (en) | 2017-09-06 |
CN105980264B (zh) | 2019-05-07 |
US20170166390A1 (en) | 2017-06-15 |
EP3078606A1 (en) | 2016-10-12 |
EP3078606B1 (en) | 2020-11-18 |
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US10029844B2 (en) | 2018-07-24 |
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