Abstract: A child-resistant container and closure is disclosed. The container has multiple helical threads with each thread having a ratchet portion at its start end. The closure features a like number of helical threads for cooperation with the container threads. The closure threads have adjacent their terminal ends at least one ratchet tooth for cooperation with the ratchet portion of the closure threads. Means is also provided for disengaging the ratchet teeth with the ratchet portion by providing for downward axial movement of the closure.

Abstract: An aerosol valve tip and insert assembly adapted for use on aerosol dispensers. The tip includes a body having interconnecting channels and an integral actuator post defining an annular recess. An insert having arcuate shaped bosses defining radial feed channels and a swirl chamber on the rear face is received in the annular recess and abuts the post. The tip and insert assembly provides a substantially uniform aerosol spray pattern and droplet size for carbon dioxide, fluorocarbon, and other pressurized spray formulations over a broad range of pressures.

Abstract: An actuator assembly for a dispensing device including a cap body piece for engagement with a threaded container neck having a series of tabs therein, an operable dispensing button with a discharge orifice, the button having a series of flat sides and one rounded side for receipt within the series of tabs, a cover piece enclosing the button which exposes a portion of the button for finger engagement, and a guide slot in the cover piece to prevent relative movement between the button and the cover.

Abstract: A holding device for retaining insecticide material for insects such as ants, or for holding repellent material for insects or dogs. The device includes an elongated stake, preferably pointed on one end, and having a generally rectangular recessed area at the other end. A holding cup for the insecticide or repellent material is received in the recessed area of the upper end of the stake. The cup provides an opening in its rear surface for access by the insects to the material contained therein.

Abstract: An actuator assembly for a dispensing device including a cap for engagement with a container neck, the cap having a series of flats therein, an operable dispensing button with a discharge orifice, the button having a series of flat sides with a series of tabs thereon, a cover piece enclosing the button which exposes a portion of the button for finger engagement, and a guide slot in the cover piece to prevent relative movement between the button and the cover.

Abstract: A finger-operated spray pump assembly adapted to maintain a seal against leakage under substantially all conditions normally encountered by the pump. The assembly includes a compression chamber, a piston slidable in the compression chamber, a stem slidable in the piston, and a seal member abutting the piston. The lower end of the valve stem contacts the seal member to open the seal slightly before the piston starts its downstroke. A closure member for the container to be used is permanently attached to the spray pump.

Abstract: A cap and valve actuator for spray dispensers used with aerosol containers, which includes a cap and a valve actuator member positioned therewithin and with the valve actuator member cooperating with the depressible discharge part of the spray dispenser, with the cap body having a circumference substantially that of the aerosol container so as not to extend substantially outwardly thereof, to permit the containers with caps thereon to be positioned contiguous to each other, and with the cap having an outlet opening at the front side thereof; the cap having a finger receiving socket extending inside the cap and accessible through a side rear opening in the cap body; the valve actuator having a socket for engagement with the valve stem of the aerosol container and a forwardly extending portion extending substantially to the front side outlet opening of the cap, with the forwardly extending portion of the actuator having a duct communicating with the socket engaging the valve stem of the aerosol container.

Abstract: A finger-operated spray pump assembly adapted to maintain a seal against leakage under substantially all conditions normally encountered by the pump. The assembly includes a compression chamber, a piston slidable in the housing, a grommet for holding the piston in the compression chamber, a stem slidable in the piston, and a seal member abutting the piston. The lower end of the valve stem contacts the seal member to open the seal slightly before the piston starts its downstroke. A closure member for the container to be used is permanently attached to the spray pump.

Abstract: An overcap for use on dispensing containers which cap offers resistance to attempts by a child to dispense the contents from the container is disclosed. The overcap features an actuator mounted on the container dispensing stem, an outer shell which encloses the actuator and a U-shaped communicator which movably contacts, at its bottom end, the actuator and which has a portion of each vertical leg protruding through apertures in the outer shell. Pressing downward on both of the protruding legs simultaneously will depress the actuator and cause the contents of the container to be dispensed. Application of downward pressure on only one of the protruding legs will not result in depression of the actuator but rather only partial rotation of the communicator on the top of the actuator.

Abstract: A two-piece closure for containers having a metal outer cap and an inner cap fixedly positioned within the outer cap is disclosed. The outer metal cap has a top wall integrally formed with an annular downwardly depending sidewall, the sidewall having a smooth, rounded edge formed by a U-shaped fold of a thin portion of the sidewall which portion is of such a thickness that said fold has a thickness approximately equal to the thickness of that portion of the sidewall adjacent to the thin portion. The inner cap can be any conventional cap which can be fixed inside the metal overcap and which has attaching structure for attaching the closure to the container.

Abstract: A safety dispensing cap for fluid containers is disclosed. The cap features a tubular discharge member, a tubular closing member for attaining a rotating overlying removable fit on the discharge member and an internal latching assembly which is activated or deactivated by rotation of the tubular closing member about the tubular discharge member. The latching assembly comprises an inwardly extending latching lug on the tubular closing member and an outwardly extending latching lug on the tubular discharge member. In the locked position, the discharge latching lug will overlie the closing latching lug thus preventing removal of the closing member from the discharge member. Unlatching of the two members is achieved by a rotation of the closing member until the closing member latching lug is no longer underneath the discharge member closing lug. An indexing assembly can also be provided which will hold the unlocked position.

Abstract: A hand-operated, spray dispenser pump assembly for use on a container having an outwardly extending bead adjacent its top opening, for example, an aerosol-type can. The pump is attached to the container by means of a special snap-on closure member. The closure member is molded from a somewhat resilient, strong, thermoplastic material and includes a top wall having an opening for the stem of the pump and a depending skirt which is provided with an inwardly facing, annular bead on its inner walls adapted to be snapped over the outwardly extending, complementary bead on the top of the container. The pump is provided with an integral annular flange adjacent its top opening, which flange is snap fitted inside the special closure member. An annular rubber gasket is provided around the periphery of the pump flange and makes a leak-proof sealing engagement with the top opening in the container when the special closure is snapped down over the top of the container.

Abstract: A safety overcap for a container, for example, an aerosol container. The child-resistant overcap includes a generally circular top wall and a generally cylindrical outer skirt depending downwardly from the top wall. The wall of the outer skirt is provided with a pair of opposed, longitudinally extending slots. An inner skirt depends downwardly from the top wall within the outer skirt and has two opposed portions positioned adjacent the pair of openings in the outer skirt. The inner skirt is provided with opposed, inwardly projecting beads on the lower portion thereof which enagage an annular groove provided at the top of the container to attach the cap to the container. By gripping the exposed portions of the inner skirt through the slots with the forefinger and thumb and applying pressure thereto, the inner skirt is distorted and releases the overcap from the container.

Abstract: A method for rapidly filling an aerosol spray dispenser containing a liquid with a soluble gas propellant including lifting the cap off the container and injecting the propellant into the container at a velocity sufficient to substantially saturate the liquid with the propellant.

Abstract: Safety closure means comprising a container and a closure cap therefor, in which the container has a neck and a shoulder, which shoulder is formed with a pair of diametrically positioned locking lugs integrally formed therewith. The cap is formed of a thermoplastic material having a top end wall and a depending annular inner wall and a depending outer annular skirt spaced from the inner wall, with the inner wall of the cap having threaded means for engaging the neck of the container to secure the cap to the container in a closed position.

Abstract: An interchangeable needle assemblage for a hypodermic syringe which enables needles of varying lengths and characteristics to be readily attached to the barrel of an existing syringe or vial. Where double-ended needles are utilized, the barrel or vial has an opening with a sealing membrane disposed thereacross, adapted to be pierced by the inner end of the needle. Carried on the barrel is a locking type ferrule having a pair of internal locking shoulders located on opposite sides of a slot. A needle hub assembly is receivable in the slot, being rigidly affixed to the needle at a point intermediate the ends thereof, said assembly having finger-engageable ears to facilitate grasping of the hub, and further having shoulders cooperable with the locking shoulders on the ferrule. To install a needle on the syringe or vial, the hub is first inserted into the ferrule so that the hub shoulders by-pass the internal locking shoulders of the ferrule.

Abstract: A "childproof" container having reproducible opening and closing characteristics is disclosed. The container is an integrally formed, one-piece, plastic container having a bottom section and an overlying top section hinged to the bottom section. A latching assembly which prevents undesirable "relock" when the container is being opened is featured. The portion of the locking assembly which is carried by the bottom section comprises an upwardly projecting latching lug which is thicker at its distal end than at its proximate end. The top section carries the other portion of the locking assembly which features a downwardly projecting latching protuberance on its top wall and an inwardly projecting latching protuberance on its front wall. The two protuberances are spaced apart so that the distance between them is less than the distal thickness of the latching lug carried by the bottom section.

Abstract: An actuator cap assembly for an aerosol dispenser. The cap includes a body having a slide surface formed thereon, and a movable slide carriage member mounted in the slide for linear movement. The carriage is movable between a first position where the actuator button of the aerosol dispenser can be actuated and a second position where it is not possible to activate the dispenser button.

Abstract: A squeeze bottle dispenser having a puff-type spray discharge characteristic. The bottle comprises a container having a flexible wall portion adapted to be squeezed in the hand of the user, a discharge nozzle, and a spring-urged check valve controlling flow to the nozzle. The valve includes a hollow valve housing with an annular valve seat, a ball-check engageable with the seat so as to seal the same, and a spring which normally biases the ball against the seat to seal the container and prevent leakage of its contents. The arrangement is such that when the container wall is squeezed, the ball-check initially prevents fluid from entering the valve housing until a predetermined pressure in the container has been attained, after which the spring yields somewhat, resulting in a sudden impulse or puff-type discharge through the nozzle.

Abstract: A dispenser of the hand-held type for discharging fluid under pressure, comprising a container having an open top end, and a valve assemblage which is received in the open end and secured in place by means of a crimped ferrule. The container has a circular rim surrounding the opening, together with an annular external shoulder immediately adjacent the rim. The valve assemblage includes a valve housing defining a valve chamber, a resilient valve seat which constitutes one end of the chamber, and a movable valve stem having a longitudinal opening and transverse side passage adapted to communicate with the chamber when the stem is depressed. The housing further includes an annular mounting flange which engages and rests upon the rim of the container, and a depending skirt which bears against inner wall portions of the container, all to form a leakproof seal therewith. The ferrule extends over the annular mounting flange of the valve housing and is crimped onto the external shoulder of the container.