Abstract: The present invention relates to oxaloacetic acid preparations and the use of hygroscopic components to prevent decomposition of the oxaloacetic acid. These compounds can then be made into sublingual lozenges and buccal lozenges to serve as nutritional supplements, medical foods or drugs. These compounds can also be used in the manufacture of oxaloacetic acid preparations in transdermal patches, inhalation preparations and anal or vaginal suppositories. Also provided are simple inexpensive tests to monitor the decomposition of oxaloacetic acid in compositions.

Abstract: An open top closure for use in conjunction with a liner. The closure has sidewalls and the upper portion of the closure is open, with at least one rib positioned a spaced distance above the plane of the liner. When in place on a container, the rib serves to limit the travel of the liner upward as it expands after the hot-fill of a product. The open upper portion of the closure permits any accumulated moisture to be blown off after the hot-fill is cooled.

Abstract: A plastic closure includes a shell having a base wall with a skirt for securement to a container finish and a lip that extends radially inwardly from the skirt at a position adjacent to and spaced from the base wall. A liner is compression molded in situ against the base wall, and between the base wall and the lip. The lip has a plurality of circumferentially spaced passages that extend through the lip for venting air during compression molding of the liner.

Abstract: A sealing mechanism for a container opening having a cylindrical opening disposed on a container body and a cap for sealing the cylindrical opening. The cap includes a screw-on cap body and an upper lid for sealing the cylindrical opening. The cap body and the upper lid are independent of each other so that the cap body can be rotated without rotating the upper lid and are engaged by a concave/convex portion. When the cap body is moved away from the container, the cap body slidably abuts on the upper lid, and pushes up the upper lid to open the cylindrical opening, and when the cap body moves toward the container, the cap abuts on the upper lid and pulls down the upper lid to re-seal the cylindrical opening.

Abstract: There is provided a double rib overcap with a plug for a container with a removable membrane. The skirt of the overcap includes two inside surfaces axially separated a rib. The container opening is encircled by a rim and the membrane covers the opening such that the membrane extends radially onto an outer surface of the rim. The two inside surfaces of the skirt are dimensionally sized to create an interference-fit with the rim when the overcap is connected to the container when the membrane is either attached or removed. The overcap also includes a circumferential ring radially inward of the skirt that is axially positioned to engage the top surface of the membrane when the membrane is attached to the container and is diametrically dimensioned to engage an inner wall of the container when the membrane is removed from the container.

Abstract: A closure having a device for lifting a liner from a container opening. The lifting device being a finger projecting from a hinge connection within the closure. The hinge connection is positioned from a depending skirt of the closure. The hinged finger disengages the liner from a sealing engagement with the container while engaging along substantially the same annulus spaced from the liner edge. A plurality of the hinged fingers may be used for the lifting device. The closure may be used in various retort and aseptic applications, as well as provide for tamper indication.

Abstract: A fluid dispensing device is disclosed having a body housing a pump action fluid discharge device having a dispensing nozzle. The fluid dispensing device comprises a body defining a cavity and a dispensing nozzle having a dispensing orifice, a fluid discharging device housed in the cavity, the fluid discharging device having a hollow casing defining a reservoir for containing a volume of fluid and a plunger slidingly engaged within the hollow casing, the plunger having a tubular portion which extends from a first end of the hollow casing for co-operation with the dispensing nozzle to enable pumped delivery of fluid from the reservoir to the dispensing nozzle, wherein the dispensing orifice of the dispensing nozzle is provided with a reversible stopper.

Abstract: A self peelable seal having one or more layers for sealing containers by heat induction, conduction, or other means and having a stiffening structure. A portion of the seal is axially retained within a closure thereby allowing the peelable seal to be loosened from the container neck by placing a lifting force on the seal with the closure upon removal of the closure from the container.

Abstract: This invention refers to a glued or heat-sealed cap for resealing test tubes for clinical analyses which can be easily perforated and permits the application of a second cap.

Abstract: A plastic closure includes a plastic closure shell having a base wall with a central opening, a skirt for securing the closure to a container neck finish, and an internal ledge on the skirt adjacent to but spaced from the base wall. A plastic disk is retained within the closure shell. The disk includes a plurality of axially extending spacer elements, preferably in the form of angularly spaced circumferentially aligned bead segments around a peripheral portion of the disk, to engage an underside of the base wall and space the disk from the base wall of the shell. Angular gaps between the spacer elements permit flow of fluid from the central opening, between the base wall and the disk and through the gaps. A periphery of the disk is disposed between the internal ledge on the skirt and the base wall of the shell to capture the disk such that the disk is free to rotate within the shell. A resilient sealing liner is molded onto an underside of the disk for sealing engagement with the container neck finish.

Abstract: A package includes a container, a seal, and a closure. The container is formed to include an interior region and an opening into the interior region. The seal is coupled to the container to close the opening. The closure is coupled to the container to cover the seal.

Abstract: The present invention provides a culture container and a cap for a container having a ventilation filter medium or a medium similar thereto that can exchange carbon dioxide gas in the culture container with atmospheric air, and prevent the contamination of sterilized culture medium inside the culture container with fungi, mites, and the like. A culture bottle includes a bottle unit, and a cap that is mounted on an opening. The cap includes a cap unit, and a ventilation filter medium. A hole is provided in the cap unit. The ventilation filter medium includes a plurality of micropores having a pore diameter between 0.1 and 50 micrometers, and is mounted on the hole.

Abstract: 15A sealing closure for use with a container includes a top wall, an annular skirt, and a resiliently flexible annular flange. The annular skirt extends downwardly from the top wall. The annular flange extends downwardly from the top wall and radially outwardly toward the annular skirt. One or more stop ribs can be provided extending downwardly from the top wall and radially inwardly from the annular skirt to limit upward deflection of the annular flange.

Abstract: 15A sealing closure for use with a container includes a top wall, an annular skirt, and a resiliently flexible annular flange. The annular skirt extends downwardly from the top wall. The annular flange extends downwardly from the top wall and radially outwardly toward the annular skirt. One or more stop ribs can be provided extending downwardly from the top wall and radially inwardly from the annular skirt to limit upward deflection of the annular flange.

Abstract: A venting plastic closure for use with an associated container includes an outer plastic cap having a top wall portion and an annular depending skirt including an internal thread formation. A disc-shaped sealing liner is positioned on the inside surface of the top wall portion for creating a top/inside seal with the associated container. In order to facilitate venting of gas pressure from within the container, and to facilitate removal of the closure from the container by consumers, the closure includes one or more positive stop elements which engage the container after the sealing liner of the closure has been sealingly engaged therewith. The stop elements act to limit the degree of sealing engagement between the sealing lines of the closure and the finish of the closure.

Abstract: A retortable all-plastic closure having a generally circular top portion and a generally cylindrical downwardly depending skirt. The top portion has upper and lower surfaces. The lower surface of the top portion forms a circumferentially extending ridge that projects downwardly. The ridge forms a first structural wall. A second structural wall is formed in the top portion adjacent the first wall. A flexible liner made from a thermoplastic elastomer is bonded to the lower surface. The portion of the liner covering the first structural wall forms a downwardly extending liner wall. The portion of the liner covering the second structural wall forms a top liner wall. The diameter of the downwardly extending liner wall is greater than the diameter of the top of the container neck inner wall to which the closure is applied so that the container neck compresses substantially the entirety of the downwardly projecting liner wall.

Abstract: The present invention is an improved reservoir cap for a braking fluid reservoir including a cylindrical skirt for surrounding an opening of the reservoir body, a disc portion having a hard stop formed unitarily with the cylindrical skirt for closing the reservoir fill opening, and a plurality of teeth formed unitarily about the hard stop for securing an elastic member. The elastic member is disposed about the teeth of the reservoir cap and secured thereto. The elastic member defines ridges disposed circumferentially about its center. Between the ridges and the center of the elastic member is a channel, which in turn defines a pair of openings which permit the flow of excess fluid through the elastic member, thereby reducing the possibility of fluid overflow, and thus preventing excess brake fluid from permeating the reservoir cap and leaking into the engine compartment of a vehicle.

Abstract: A container including a plurality of side walls, a top, a handle, a bumper, and a substantially planar label surface. The top has a neck and is joined to a top portion of the side walls. The handle is formed in a region adjacent the top and extends between two adjacent side walls within the profile of the container. The bumper extends around the periphery of the container across each of the side walls. The bumper projects outward from each of the side walls a distance. The substantially planar label surface is located on one of the side walls proximal the bumper and extends upwardly higher than a lower end portion of the handle. The distance is sufficient to prevent contact of the label surface against a flat surface abutting against the container. The bumper may be offset downwardly to extend around the label surface thereby enlarge the label surface. The container may include a plurality of corner portions interconnecting adjacent side walls.

Abstract: A child-resistant closure and container package includes a container having a finish with an external thread and pockets in the thread. A closure has a base wall, a peripheral skirt with an internal thread and lugs on the internal thread for receipt in the pockets, and a spring element on the base wall for engagement with the container finish to bias the closure away from the container finish and resiliently urge the lugs into the pockets. A liner is urged by the spring element into engagement with the container finish. The liner may include a base with metal and plastic layers for induction-welded sealing engagement with the finish such that, upon removal of the closure, the metal and plastic layers remain secured to the finish and the liner base is removed with the closure. The metal and plastic layers may be removed by a user for access to the contents of the container, and the liner base continues to serve as a package seal during use of the package.

Abstract: A closure device for a plastic container includes a liner and a plastic closure. The liner is sealed to the neck of the bottle at the end face of the neck and along a portion of the outer surface of the neck. The plastic closure engages the liner to retain the liner against the neck during sealing and to seal the area between the liner and the closure top from liquids present during cooling of the container. The closure includes a top wall, an annular closure skirt depending from the top wall, an annular outer flexible seal depending from the top wall, and at least one annular pressure ring. The outer flexible seal retains an outer edge of the liner against the outer surface of the container neck and prevents ingress of liquids. The annular pressure ring engages the liner to retain the liner against the end face of the neck during sealing.

Abstract: A package made up of a container (30) with a closure assembly (10) applied thereto. The closure assembly has a molded plastic closure element (12) with a top panel (14) and an annular skirt (16) that depends downwardly from the top panel and surrounds and engages a finish of the container. The closure assembly (10) also has a barrier disc (20) that underlies the top panel, but is out of engagement with a rim (32) of the container (30) when the closure assembly is applied to the container. The closure element has an integral sealing fin (22) with an inner end (24) and an outer end (26), which, as molded, extends inwardly and downwardly from a distal end of the inner portion. When the closure assembly is applied to the container, the second portion of the sealing fin is folded back toward the inner portion of the sealing fin and engages the rim and a terminal side portion (34) of the finish of the container to form a top and side seal between the closure assembly (10) and the container (30).

Abstract: A closure cap (1) for a container consists essentially of a cap base (2), of a cap skirt (3) and of a sealing disk (5) which bears at least partly on the cap base (2). A circumferential bulge (6) is arranged in the transition region (7) between the cap base (2) and the cap skirt (3). The bulge (6) serves for pressing the sealing disk (5) onto the container opening. The bulge (6) is divided by interruptions (8) into several blocks (9). On the inner side (10) of the cap base (2) there is arranged at least one rib (11) running radially outwards. The, rib seen in the circumferential direction, is located neighboring one of the interruptions.

Abstract: The closure of the present invention provides a seal a variety of neck configurations, including substantially new and different neck profiles. The top of the cap, which may or may not include a valve, has side wall depending from the top of the cap and a skirt extending further downwardly from the side wall. The inside surface of the cap has an elongated sealing flange extending downwardly and outwardly from the underside of the top of the cap. The lower tip of the sealing flange is preferably disposed outside, in the radial direction, of the inside diameter of the latch bead formed at the base of the side wall of the cap. The length of the sealing flange, its position on the underside of the cap and the length-to-basewidth ratio of the flange keep it from becoming misaligned or twisted. The inside surface of the wedge-shaped sealing flange is preferably disposed at an obtuse angle from the plane of the top of the cap.

Abstract: A closure device for a plastic container includes a liner and a plastic closure. The liner is sealed to the neck of the bottle at the end face of the neck and along a portion of the outer surface of the neck. The plastic closure engages the liner to retain the liner against the neck during sealing and to seal the area between the liner and the closure top from liquids present during cooling of the container. The closure includes a top wall, an annular closure skirt depending from the top wall, an annular outer flexible seal depending from the top wall, and at least one annular pressure ring. The outer flexible seal retains an outer edge of the liner against the outer surface of the container neck and prevents ingress of liquids. The annular pressure ring engages the liner to retain the liner against the end face of the neck during sealing.

Abstract: A closure for a container consists of a top wall with an annular skirt depending therefrom and extending downwardly to a terminating edge. An inner surface of the annular skirt has a retaining bead in an upper portion of the inner wall. If threads are to used on a finished closure, then such threads, as desired, replace the retaining bead. Additionally, the top wall has a flexible annular ring formed axially along an inner surface and depending downwardly therefrom and spaced inwardly of the skirt. A sealing disc is disposed above the retaining bead and below the flexible annular ring. The flexible annular ring has a diameter larger than the inner diameter of the retaining bead. Furthermore, the flexible annular ring is the same diameter as a container rim of a container to be sealed by the closure of the present invention. Another preferred closure substitutes a glue post mounted along an inner surface of the top wall for the retaining bead in order to attach the sealing disc to the inside of the closure.

Abstract: A locking helical closure system for containers consisting of three components. A closure cap, a neck finish, and a liner or stopper made of an elastic material. The closure system has engagement lugs that engage helical grooves and pockets on a neck finish preventing the closure cap from unwinding during the sterilization process.

Abstract: A screw-on closure for bottles that initially works with an induction seal liner and provides a leak resistant reseal on the bottle after the liner is removed. The closure has a unique annular convex sealing surface that overlies the mouth of the bottle. The sealing surface and the closure body area supporting it are sufficiently massive to withstand the heat generated in an induction liner sealing process and have a geometry that promotes a line contact with the mouth of the bottle to ensure a drip resistant reclose. A dispensing aperture of the cap is sealed by a hinged flap that has its sealing surface areas strategically located relative to the hinge to ensure repeated drip free opening and closing dispensing operation.

Abstract: A child resistant cap including relatively thin threads which, when the cap is in a relaxed condition, are spaced from the bottle neck, said spacing permitting the cap to be squeezed inward at points on opposite sides of the cap so that the cap responds to the squeezing by expanding outward at points ninety degrees from the squeezing points so that stops on the cap at the cap expanding location will miss the stops normally engaged when in a relaxed condition, thereby permitting the cap to be removed from the bottle. The cap may also include a guide ring in the cap interior to guide the cap over the bottle neck to help ensure that the cap is centered on the bottle opening. The cap may include pressure pads on the cap skirt outside near the cap bottom showing the user where to press and stiffening the portion of the cap where pressure is to be applied. And, the cap may include a tamper indicating ring which will separate from the cap the first time the cap is removed from the bottle.

Abstract: A sealing arrangement is provided having a container neck having a sloped land surface. The sloping land surface is configured to prevent the liner from slipping across the land surface when the cap is applied to the container. The cap has depending downwardly from its inner surface an annular bead positioned relative to the land surface such that, when the cap is applied to the container, the bead extends down into the mouth of the container radially inwardly of the land surface. The land surface, together with the bead, stabilize and stretch the liner upon application of the cap, urging the liner to conform to the land surface. At least one sealing rib depends downwardly from the lower surface of the cap to provide additional sealing force between the liner and the land surface.

Abstract: A child resistant package including a container having a base wall, side wall and opened end and a plurality of projections on the side wall having downwardly extending notches. A plastic closure has a base wall and a peripheral skirt and a plurality of lugs on the inner surface of the skirt for engaging the notches by relative rotation between the closure and the container. A plastic insert is interposed between the closure and the open end of the container and is normally retained by the closure before it is applied or reapplied to the container. The plastic insert has a central portion engaging the base wall of the closure, a peripheral portion engaging the open end of the container and an intermediate portion defining a spring between the central portion and the peripheral portion. Retaining beads on the closure retain the liner in position when the closure is removed. The liner may be sealed to the container as by induction sealing to seal the contents when the container is filled.

Abstract: A tamper-indicating closure for a container includes a cap with removable panels of a top wall of the cap. Each removable panel is connected to a tab on the inside of the cap. The top wall includes inner and outer cams on an inside surface and the tabs underlie the cams. A liner disc is applied inside the cap for sealing against the container. A plurality of spaced-apart ratchet teeth are arranged in one or two circular patterns on the liner disc and sized and located such that the circular pattern of teeth meshes with the two cams. The tabs have a toothed transverse cross-section which allow the tabs to ride over the ratchet teeth in a screwing-on direction to the cap, but the tabs are engaged by the ratchet teeth in a screwing-off direction of rotation of the cap. Since the liner disc and ratchet teeth are stationary with respect to the container, unscrewing of the cap causes the ratchet teeth to separate the panels from the moving cap.

Abstract: A bottle cap with a gas barrier seal for use in combination with the screw threaded neck of a carbonated beverage container and the like, having a body formed with an annular skirt and an end wall and a relatively stiff, high gas barrier, circular seal having a diameter greater than the outside diameter of the neck of the container where the seal is inserted adjacent the end wall into the cap body which includes a frusto-conical bead clamping element having a cone angle equal to or less than 90.degree. and an annular rib to prevent lateral displacement of the circular seal.

Abstract: A plastic screw cap for closing a container, including a cup composed of a disk-like portion and a cylindrical wall that protrudes from the rim of said disk-like portion and has an internal thread that is adapted to engage a corresponding thread of the container, the cap further comprising an annular lip that protrudes from the disk-like portion concentrically with respect to the cylindrical wall, the annular lip acting as a shoulder for a sealing liner, so that the liner, when the cap has been applied to the container, frontally and externally engages the rim of the mouth of the container.

Abstract: A closure having an inner retaining area for receiving a closure liner. The liner circumferentially contacts the land surface of the container to cover the mouth of the container upon application of the closure to the container. A well, formed around the outer peripheral edge on the inside of the closure is dimensioned to receive the land surface of the closure. The well includes an upper surface having integrally depending flexible teeth. The walls of the well together with the teeth provide a directional force against the liner causing the liner to wrap around the land surface to increase the amount of liner to land surface contact and thereby counter the effects of irregularities on the land surface. The teeth also provide a localized compression force down against the liner to further increase the sealing contact between the liner and the land surface.

Abstract: A tamper-evident, snap-on, screw-off closure which is used with a specially shaped container neck is provided with a foil liner. Once the closure is applied to the neck, the foil liner is sealed to the neck of the container. The foil liner includes a tab for removal of the seal disc from the neck. The closure is characterized by the absence of a second liner between the top of the cap and the foil liner. The closure, neck and the foil liner are formed to inhibit adherence of the tab to the cap interior and the neck exterior.

Abstract: A tamper-evident, snap-on, screw-off closure which is used with a specially shaped container neck is provided with a foil liner. Once the closure is applied to the neck, the foil liner is sealed to the neck of the container. The foil liner includes a tab for removal of the seal disc from the neck. The closure is characterized by the absence of a second liner between the top of the cap and the foil liner. The cap and the foil liner are formed to inhibit adherence of the tab to the interior of the cap.

Abstract: A container closure having a multiple liner seal is disclosed. The closure comprises a plastic closure cap having a circular top wall portion and a depending annular skirt portion. The skirt portion has an internal thread formation for threadedly engaging a cooperative container. In a typical closure, a pilfer band depends from the skirt portion. The closure cap has an abutment internal thereto, generally at the juncture of the top wall portion and the skirt portion. A first resilient, molded-in plastic seal is positioned in the cap adjacent to and against the top wall portion, and a second resilient plastic seal is positioned in the closure and extends thereacross resting upon the abutment. When the closure is threadedly engaged with a container, the second seal provides a top/side seal to seal the contents from the environs. The closure will seal a container with or without the second seal in place because of the independent sealing capabilities of the first seal.

Abstract: A closure-assembly includes a molded plastic closure cap, and a disc-shaped insert liner positionable adjacent a top wall portion of the closure cap. An annular shoulder of the closure cap cooperates with the insert liner to form a top/side seal with an associated container. The annular shoulder includes at least one annular liner-engaging rib, which cooperates with the insert liner to enhance sealing performance of the closure assembly, retain the liner in position with the closure cap, and facilitate high-speed closure formation.

Abstract: A screw cap comprises an internal screw thread and a braking element for engaging the lead end of the external screw thread on a container for which the cap is intended. When the cap is applied to the container, the braking element progressively retards the screwing movement.

Abstract: A closure is provided with channels through which wash water can be injected to wash out food particles between the threads of a container after the closure has been applied and sealed. In a composite closure embodiment, a lid or insert disk is received in an annular shell beneath an overhanging top lip of the shell. Water wash channels are provided on the undersurface of the top lip, and extend from the inner edge of the lip outwardly past the edge of the disk. One or more stops on the underside of the top lip prevent the channels from being closed, as by over-tightening. The wash channels extend outwardly past the stop, and communicate with a spiral channel in the threaded region of the shell, which in turn communicates with an outlet. A water jet directed onto the lid of the closure flows through the wash channels outwardly over the edge of the lid and downwardly into the threaded region, to an outlet.

Abstract: A floating cap seal for sealing containers whose openings are equipped with non-planar surfaces includes a seal which floats upon a ring permitting the seal to effectively seal uneven vessel opening surfaces.

Abstract: A carbonated beverage package comprising a bottle having a neck with an external thread and a closure comprising a base wall and a peripheral skirt having an internal thread interengaging the thread on the neck. A flexible liner is interposed between the interior surface of the base wall of the closure and the open end of the neck. The closure is made of plastic and includes a portion at the juncture of the base wall and peripheral skirt which is axially deformable relative to the remainder of the base wall to a permanent shape. When the closure is applied to the ncek and the closure is rotated by relative rotation between the closure and the neck while simultaneously an axial force is applied to the deformable portion of the cap, the deformable portion is displaced axially relative to the base wall to a permanent shape causing the liner to be deflected about a portion of the outer surface of the neck adjacent the open end of the neck thereby increasing the contact of the liner with the neck.

Abstract: A plastic closure system for containers or bottles containing liquids under pressure, such as carbonated soft drinks. A liner incorporating a high gas barrier material such as "Eval" in a relatively thin layer is positioned over the end of the container neck. The liner is mechanically designed to have increased sealing forces applied thereto due to the internal pressure acting against the liner. In one embodiment, an overcap mechanically biases the liner over the edge of the container finish with internal gas pressure acting in the opposite direction, thus increasing the sealing force. The other embodiments incorporate a seal that has an annular, enlarged edge that is trapped between the finish and cap with pressure increasing the sealing force.

Abstract: A tamper-indicating closure system used with a container that has a sealing disc over the neck of the container. The closure threads onto the container neck but is held against threading down below a predetermined level by a rupturable tear band between the bottom of the closure and the shoulder of the container. A pourout dispenser feature is incorporated in the closure and after the tear band is removed, the continued threading-on of the closure will cause a member in the closure to rupture the sealing disc and the contents of the container can be poured therefrom through the closure. If the tear band is intact, tampering has not occurred.

Abstract: A closure for an externally screw threaded standard glass or plastics container has a moulded plastics shell and a liner gasket which can turn freely in it. The liner is retained in the shell by a central spigot which fits loosely in a hole in the center of the liner gasket, but has an enlarged head.The gasket, which is smaller in diameter than the top of the shell, is pressed against the top end of the container, for which it is designed, by one or two ribs. This arrangement allows the liner gasket to remain stationary on the container at the commencement of releasing the closure.

Abstract: A molded plastic closure cap has a number of downwardly projecting fins on the underside of its cover for forming a seal with a container in combination with a liner positioned between the fins and the container rim. The liner is a laminated one consisting of a plastic foam layer engaging the fins, an adhesive layer engaging the package and a thin aluminum foil layer sandwiched between the foam layer and the adhesive layer.

Abstract: A crown closure and container comprising a glass container having a crown finish without threads, a closure comprising a rigid plastic outer shell and an inner cup-shaped liner. The outer shell comprises a top panel and a peripheral skirt. The liner is made of soft resilient plastic material and comprises a top wall and a peripheral wall. Interengaging cam surfaces are provided between the inner surface of the skirt of the shell and the outer surface of the peripheral wall of the liner such that when the closure is applied to the crown finish by an axial motion of the closure relative to the container, the liner if forced into the shell and the upper portion of the liner engages the crown finish of the container. The peripheral skirt of the outer shell is formed with threads so that the upper portion of the liner is forced into the threads and will allow for sufficient interference with the liner and finish to permit removal of the closure by rotation of the shell in relation to the liner.

Abstract: A polypropylene closure for glass containers. The enclosure has a top end wall and a depending annular skirt wall. A substantially rigid V-shaped sealing fin of triangular cross-section projects downwardly from the top end wall to engage the finish of a glass container neck in sealing relation when the closure is applied to the container. The closure is threaded onto the container neck and the sealing fin comes into contact with the finish. The application of additional closure torque causes the sealing fin to deform and be crushed.

Abstract: A child resistant cap including relatively thin threads which, when the cap is in a relaxed condition, are spaced from the bottle neck, said spacing permitting the cap to be squeezed inward at points on opposite sides of the cap so that the cap responds to the squeezing by expanding outward at points ninety degrees from the squeezing points so that stops on the cap at the cap expanding location will miss the stops normally engaged when in a relaxed condition, thereby permitting the cap to be removed from the bottle. The cap may also include a guide ring in the cap interior to guide the cap over the bottle neck to help ensure that the cap is centered on the bottle opening. The cap may include pressure pads on the cap skirt outside near the cap bottom showing the user where to press and stiffening the portion of the cap where pressure is to be applied. And, the cap may include a tamper indicating ring which will separate from the cap the first time the cap is removed from the bottle.