Abstract: A sharps disposal container cap securement arrangement includes a container with a neck having an opening at a top thereof through which sharps may be placed for disposal within the container, a cap adapted to screw downward over and around the neck of the container to close the opening and to provide a fluid-tight seal therewith once the cap is screwed down on the neck, an annular lock collar rotatably mounted around an exterior surface of the neck of the container, detents formed on the exterior surface of the neck of the container and on the collar for supporting the collar on the neck for movement between a lowered unlocked condition and a raised locked condition in response to the lock collar being rotated between first and second positions relative to the neck, and cooperative series of one-way teeth formed on the collar and on the cap for securing the cap to the collar and thereby preventing unscrewing of the cap from the neck of the container once the cap is screwed down on the neck providing the flui

Abstract: There is provided a container/closure lock device that is safe, simple and down-sized with a reduced number of components and can be manufactured at reduced cost. A container is provided with brackets 14a through 14f for receiving the wall of a closure, each of said brackets 14a through 14f being provided with a through bore 17 bored through its arm 16. Pin holders 19a through 19f having respective channels 22 are fitted to the respective outer surfaces of the corresponding brackets 14a through 14f, the through bores 17 and the corresponding channels 22 being aligned respectively. Lock pins 26a through 26f are respectively inserted into and held to the corresponding channels 22. A rotary ring 29 provided with slots 30a through 30f is fitted to the outer peripheral surface of the container 11 in such a way that the slots 30a through 30f respectively intersect the corresponding lock pins 26a through 26f.

Abstract: A closure is intended for use on a container having an opening defined by a rim portion and a finish including a ledge situated below the rim portion. The closure includes a central body portion sized to cover the container opening and a peripheral portion adapted to contact the rim portion of the container. A plurality of tabs are unitarily fixed to the peripheral portion, each tab including a tang adapted to engage the ledge of the container finish. Each tab also includes a thinned, stressed portion between the tang and the rim portion which is reactive to an application of heat to cause shortening of the tab length. The thinned portion also acts as a hinge to permit flexural displacement of the tab with respect to the body portion. The closure when applied to a container is completed by a band which encompasses the tabs, the band also being reactive to an application of heat to cause contraction of the band to insure continued engagement between the ledge and tangs.

Abstract: A plastic closure includes an annular ring durably attached to the container, and a sealing assembly installed in the ring to seal the mouth. The sealing assembly includes a plug having a sealing lip on its lower face and a release lever connected to the plug by a flexible hinge. A tab on the release lever can be lifted to pry the sealing assembly out of the opening. The ring has a free edge directed downwardly and inwardly so as to permit the plug to pass easily through the opening during assembly, or resealing, but to resist removal of the plug sufficiently to prevent it from being forced off the container by pressure within the container.

Abstract: In a safety lock for a container connection (3), at least two cams (9, 10) are arranged at the contacting surfaces of the container connection part (4) and lock part (5) and cooperate with a radially open groove (7) extending in the circumferential direction and with at least two axially parallel grooves (6 and 8) at the counterpart (5 or 4) in the manner of a bayonet catch. In order to obtain a safety lock system having a plurality of safe combination pairs which are absolutely safeguarded against interchanging, it is suggested that the combination pairs having a plurality of cams (9 and 10) and axially parallel grooves (6 and 8) at the container connection part (4) and at the lock part (5) have different circumferential (angular) distances (X1) from one another in the circumferential direction in a plurality of container connections of the same type.

Abstract: The invention relates to a conical lidded drum made of thermoplastic.To avoid step-like changes in diameter or hollow borders as a stacking rim on the outer drum body, according to the invention, a second upset surface flange (12) is formed out in the region of the upper third of the drum (34) on the outer wall of the drum body (10). Advantageously, the conical drum wall (14) extends linearly in a straight line from the upper first surface flange (20) down to the vicinity of the drum base (18) over the entire periphery and in drum longitudinal direction. A third upset surface flange may be provided as a bottom rolling ring (38) in the transition region from drum wall to drum base.

Abstract: A blow molded plastic container and lid combination wherein a bayonet type thread lock mechanism is provided between an exterior skirt portion of the lid and an interior side wall portion of the container to secure them together. The lid is further provided with a circumferential perimeter overhang that has an inverted U-shaped rim channel above this bayonet type thread lock mechanism for circumferentially receiving and engaging the top end of the container. An inwardly directed annular shoulder is also provided on the container side wall between this bayonet thread lock mechanism and the top end portion of the container whereby a split ring clamp circumferentially secures the chime area of the lid and container combination in sealed engagement. The split ring clamp has an inwardly open U-shaped channel for engaging this container annular shoulder and also circumferential top portions of the lid to clamp them together in vertical compressed engagement.

Abstract: A plastic drum lid for a standard lidded drum using a clamping member to seal the lid to the drum. The lid includes a central top section of a smaller diameter then the diameter of the lid, with the central section spaced from the rim of the lid by a circumferential groove.

Abstract: A salvage drum has a container body and circular lid which are sealed together by a clamp that secures an outwardly extending lip on the container body to an outwardly extending lip on the circular lid. The container body has a plurality of spaced outwardly extending vertical ribs adjacent the body lip and the circular lid has an outwardly extending protective shoulder which is arranged such that the clamp is protected from impact with the ground regardless of tipping over or dropping of the salvage drum. The clamp is also easily stored on and held on the container body ready for use in sealing of the salvage drum.

Abstract: A receptacle is disclosed which has a bunghole surrounded by a collar mol out of material of the receptacle to form a collar ceiling area. A closure arrangement for closing the bunghole is provided which includes a bung stop forming a bung stopper ceiling area, the bung stopper being disk-shaped and without any pretightening elements. A ceiling element is disposed in use between the collar ceiling area and the bung stopper ceiling area. A tightening element separate from the bung stopper engages with a counter element at the collar and is engageable with the bung stopper to compress the ceiling element in a direction of the collar area to sealingly close the bunghole.

Abstract: The closure element (2) for a pot (1) equipped with a neck (3) in order to confine a product, particularly a cosmetic product, in this pot in a tamperproof manner, is produced by dual-injection of plastic and comprises a fastening ring (5) fixed onto the neck (3) of the pot in a practically non-removable manner, this fastening ring being produced from a first plastic, and a disc (8) forming a lid, produced from a second plastic and connected to the fastening ring. The disc (8) is equipped with a pull means (12), it being necessary to separate the disc (8) from the fastening ring (5) in order to open the pot. The ring (5) and the disc (8) are produced from two different materials which are chosen to be incompatible so that no connection becomes established between them by thermofusion, and the ring (5) is over-moulded over the edge (10) of the disc (8), which edge (10) is trapped in an annular groove (13) in the said ring.

Abstract: A container having a body and a tamper-evident band and a lid for closing the container. The band has a proximal portion frangibly attached to the container body and a distal portion. The distal portion of the band is deformable to an inward extending orientation with the distal portion shaped and positioned to extend inwardly across the peripheral outer portion of a lid. The deformed distal portion of the band optionally has a curvature of 90.degree. to 360.degree. or more. The lid optionally has an annular groove for concealing the terminus of the band. The lid may also have an outward extending peripheral flange, an upward extending annular rib and a stacking ring for arranging several lids in a nested stack.

Abstract: An attaching ring or fixing ring is provided for attaching or fixing a dispenser member to a neck of a receptacle containing a substance to be dispensed. The ring is annular and has a bottom portion and a top portion. In a preferred embodiment, the bottom portion includes snap-fastening tabs for fixing the ring to the neck. The top portion includes an opening for the dispenser and a surrounding structure for securing the dispenser member to the neck. The top portion further includes at least one guide wall element extending parallel to the longitudinal axis of the dispenser member and around the periphery of the fixing ring substantially in line with the snap-fastening tabs. A hoop can be provided for preventing the tabs from splaying apart. The hoop can include an internal projection, such as a vertical rib or a thread.

Abstract: A sealing device for an electrical meter includes a positioning ring and a fragile outer ring. The positioning ring is integral with an upper end of a meter socket and includes an oblique circular upper end which inclines outwardly, an outer peripheral wall which has an annular recess therein, and an annular ledge extending radially outwardly from a lower end thereof and having a plurality of spaced-apart apertures therein. The outer ring is L-shape in section and includes first and second annular arms disposed perpendicular to each other. One annular engaging member projects outwardly from an inner wall of the second annular arm which is concentrically disposed around the positioning ring for engaging with the annular recess in the positioning ring. A plurality of spaced-apart lugs extend downwardly from a bottom of the second annular arm for engaging with the apertures in the positioning ring to prevent rotational movement of the outer ring.

Abstract: A closing device, for airtight closing of a package by use of a removable lid, has a facing lid fixedly joined to the package and springs made of shape memory alloy resting on the lid and the facing lid. The facing lid may be fixedly joined to the package by brackets or by other fixing mechanisms. These fixing mechanisms may include screws or may include a groove and tongue arrangement. The fixing mechanism may also include a ring made of a shape memory alloy forcing a flexible part of the facing plate against the package.

Abstract: An auxiliary device for sealing cans for beverages, of the type having a disposable opener mechanism, is shaped as a tubular element (9) which tapers off from a comparatively wide collar (7) to a narrower spout portion (8) and which, adjacent the collar, comprises means for snapping the collar on to the can. A locking ring (18) is arranged to cooperate with the collar (7) of the auxiliary device and serves, after snapping the collar on to the can, to clamp the collar to the can. The locking ring is connected to the auxiliary device via a connection which is formed by a tongue (13) on the auxiliary device and a slot in the locking ring, thereby permitting the locking ring to accompany the auxiliary device.

Abstract: The lid seal for wide-mouthed barrels (2) blow-molded of a synthetic resin utilizes a solid sealing ring (9) of plastic, this ring being in contact with the underside of a solid flange (10) projecting radially outwardly at a spacing below the barrel opening from the barrel wall, as well as a counter ring (11), likewise produced of plastic, this counter ring resting on a flange (12) molded on the bottom to the outer lid rim (4). Locking sleeves (13, 14) are formed on the clamping rings (9, 11), distributed about the circumference, these sleeves engaging in corresponding bores (15, 16) in the barrel flange (10) and in the lid flange (12). The clamping rings (9, 11) and the locking sleeves (13, 14) molded thereon have conical aligned through bores (17, 18). For closing the lid (1) placed on the wide-mouthed barrel (2), clamping bolts (19) of plastic or metal are pressed, by a pressing tool, from above into the conical bores (18, 17) of the two clamping rings (11, 9).

Abstract: A closure member for a pressure vessel, the closure member including a flange member secured with the pressure vessel, a pressure vessel door supported by the pressure vessel, a ring assembly mounted with the flange member for engaging the pressure vessel door as a result of selective rotational movement of the ring assembly from an unlocked position to a locked position by the radially contracting cooperative movement of engaging members into engagement with the pressure vessel door as a result of such rotational movement.

Abstract: A cover for attachment to a cylindrical plastic drum, the drum having an open top end and a closed bottom end and an inside and an outside, the drum having a lifting flange on the outside thereof adjacent to the top end of the drum, the cover including a circular lid having a channel means integrally molded therewith extending around the periphery thereof for receiving the top end of the drum, the channel means having a downturned portion and a horizontal portion integrally molded together, the downturned portion being adapted to contact the outside of the top end of the drum and the flange, the downturned portion being thicker than the horizontal portion to form a tight seal with the outside of the drum when placed on the drum and connected to the drum by a locking ring.

Abstract: A cylindrical housing (1) and a body (4) having a shape matching the shape of the housing (1). The body (4) is immobilized, so as to compress the elastically compressible part (3), by a split ring (6) placed in a groove (7) of the cylindrical wall of the housing (1). The shape and dimensions of the ring (6) are selected in such a way that it bears against a peripheral surface of the body (4) in order to prevent it from moving outwards. The ring (6) is locked in the groove (7) by a collar (8) having zones (82) which, by virtue of their shape, prevent the ring (6) from moving out of the groove (7) and bulges (81) interacting with a groove (41) of the body (4) for the fixing by snap-fitting of the collar onto the body.

Abstract: A plastics container (10) for hermetically sealed unrefrigerated storage of perishable food that is capable of retaining the hermetic seal during steam retort cooking and sterilizing at temperatures up to 130.degree. C. The container has a body (12) and cover (16) of a lightweight, disposable nature made from thermoformable plastics barrier sheet capable of prolonged resistance to transmission of oxygen, other gases and water vapor. The container and lid have flange portions (14, 18) that are retained in contact by an injection moulded thermoplastics reinforcing clamp ring in two pieces, a plug half (24) and a socket half (26) that twist-to-lock together in screw thread manner. The clamp ring parts are preferably of polypropylene and moulded with structural cross-sectional thicknesses (t1, t2FIGS. 4, 5) at least twice the thickness of that of the body sheet.

Abstract: A convenience outlet assembly is adapted for interconnecting electrical components to wires in a flat cable extending behind a wall in a structure. A mounting bracket is secured to a structural support behind the wall and has a peripheral frame about a mounting opening. A cable tap subassembly is attachable to the cable. A mounting box, separate from the mounting bracket, has an open front face and a peripheral flange attachable to the peripheral frame of the mounting bracket. The peripheral flange is located on the exterior of the wall and the peripheral frame is located on the interior of the wall. The mounting box is insertable through an opening in the wall and the mounting opening in the bracket. The cable tap subassembly is mountable in a position at the rear of the box.

Abstract: A port assembly for a non-metallic pressure vessel is joined to a boss which is molded into or otherwise joined to the vessel wall. A bayonet type accessory mount is insertable therein for sealing passage through the vessel wall. The mount includes a simple semicircular locking snap ring with easily manipulable handles. The locking snap ring is configured for retaining and locking an accessory such as a heating element in any desired rotational position within the port. An o-ring is sealingly compressed in a radial direction between the mount and the port assembly. A specific application includes the positioning of a non-linear electrical heating element within a non-metallic water heater.

Abstract: The lid seal for wide-mouthed barrels (2) blow-molded of a synthetic resin utilizes a solid sealing ring (9) of plastic, this ring being in contact with the underside of a solid flange (10) projecting radially outwardly at a spacing below the barrel opening from the barrel wall, as well as a counter ring (11 ), likewise produced of plastic, this counter ring resting on a flange (12) molded on the bottom to the outer lid rim (4). Locking sleeves (13, 14) are formed on the clamping rings (9, 11), distributed about the circumference, these sleeves engaging in corresponding bores (15, 16) in the barrel flange (10) and in the lid flange (12). The clamping rings (9, 11) and the locking sleeves (13, 14) molded thereon have conical aligned through bores (17, 18). For closing the lid (1) placed on the wide-mouthed barrel (2), clamping bolts (19) of plastic or metal are pressed, by a pressing tool, from above into the conical bores (18, 17 ) of the two clamping rings (11, 9).

Abstract: A fluid-pressure operated actuator has a body and an end cap which when telescoped in the body provides confronting grooves which receive a circlip in the form of a flexible length of wire spring. The end cap carries an O-ring seal axially only outwards of the circlip. Relative rotation between the body and end cap draws the circlip into position. A threaded plug, which may be secured to the outer end of the circlip, sealingly connects the body and end cap and may permit relative axial and angular movement.

Abstract: A container having a bottom, a sidewall attached to the bottom and the sidewall terminates in an open end. A closure member can be removably affixed to close the open end. There is a downwardly extending lip on the closure member that has an inner wall surface opposed to an outer wall surface. One of the inner and outer wall surfaces of the lip slidably adjoins one of the inner and outer wall surfaces of the container wall. A groove is formed in each of the adjoining wall surfaces such that when the closure is mated to the container, the grooves are brought into registry with one another and jointly form a locking passageway within which there is received an elongated locking member of a size to be received within the locking passageway to thereby prevent axial movement between the container and the closure member. The closure member further includes a port that communicates the locking passageway with the exterior of the closure member.

Abstract: An end closure fabrication for a generally cylindrical non-metallic pressure vessel having an opening at one end thereof which includes a collar which is adhesively bonded to sides of the vessel adjacent to the open end of the vessel. A circular end pressure plate equipped with an annular seal is inserted in the end of the vessel and an end cap to secure the pressure plate is attached over the collar.

Abstract: A casing made of molded plastic material comprises a rigid body with an end part of non-circular cross-section, a closing cover coming into engagement against the end part, and a fixing ring screwed onto a male thread of the body to ensure that the cover is held against the end part. The ring is formed by a flexible part having a cylindrical initial shape, and comprising a plurality of serrations allowing elastic deformation for the female thread of the ring to fit the male thread of the rigid body.

Abstract: A lock is provided for use with a container having an annular end portion defining a top opening and a radially outwardly opening annular recess. A top wall defines a removable cover overlying the opening. The lock includes an elongate band of synthetic resin operatively associated with and circumferentially surrounding the top wall with opposite ends spaced apart and having radially inwardly projecting securing structure receivable in the recess for securing the top wall to the container. A locking structure is provided for constricting the spaced ends of the band to urge the securing structure radially inwardly comprising a pair of radially out-turned tabs of a high-strength synthetic resin secured to opposite end portions of the band as by vibration welding. A locking lever is movable to an over center position for adjustably drawing the tabs toward each other and releasably locking the securing structure in the annular recess in the over center position.

Abstract: A paint or similar can adapted to retain its lid in fluid tight condition against mechanical or pressure disturbances. The can has a ring element secured to the top of its sidewall and a lid assembled onto the ring element. Rubber or other sealant can be disposed between the ring element and lid to form one or more continuous seals between the ring element and lid. A metallic overcap having a debossment is placed over the lid. Stretchable adhesive tape is adherently applied to the overcap and the sidewall to hold the overcap down tightly against the lid with the debossment pressing against the lid to prevent the lid from backing off from the ring element and breaking the seal. The overcap has a circular central opening to uncover most of the top portion of said lid to allow the top portion of said lid to swell upwardly upon an increase of pressure within the can without dislodging the overcap. The debossment is at an intermediate position between the central opening and the outer periphery of the overcap.

Abstract: A closure is disclosed for use with a tubular container having an open end with a cylindrical connecting bead at the open end. The closure includes a circular wall and a peripheral connecting flange surrounding a peripheral edge of the connecting bead so that the circular wall closes the open end of the container. First and second coaxial reinforcement ribs depend downward from the circular wall to provide suitable reinforcement while eliminating crevices on the circular wall.

Abstract: Child-proof closure for a bottle (1) which is placed upon the neck of the bottle to replace its normal closure and which is axially slidable from a closed position towards an open position and back. The closure has locks (13,24) at the inner end of a quiver-like part (12) which can only be reached by the stretched or bent finger of an adult person and can be closed by a simple flick on top of the opened closure.

Abstract: In a master cylinder (20), a cap (30) for guiding a primary piston (50) is located within an end opening (24) of a body (22) of the master cylinder (20). The end cap (30) retains a sleeve (40) and other components within a bore (12) of the master cylinder (20), and is attached to the body (22) of the master cylinder (20) by way of a biasing retention mechanism (45; 145, 150; 260). The mechanism (45; 145, 150; 260) may bias the end cap (30) axially inwardly of the bore (12), bias a gripping ring member (145) radially outwardly into engagement with the body (22) of the master cylinder (20), and retain a first end (32) of the end cap (30) within the bore (12) in accordance with the extent to which the first end (32) is inserted axially into the bore (12).

Abstract: An article is disclosed comprising a lid engaged to a container by the formation of interlocking waves of lid material and container material at the junction of the lid and container. The interlocking waves are geometrically aligned relative to the interior of the container so as to maximize the burst strength of the container, and also to minimize the force required to peel the lid from the container. An unheated clamp head is used to clamp the lid structure immediately adjacent a heated seal head, the heated seal head being used to form the interlocking wave structure around the inside rim of the container. The clamp head prevents any melted portions of the container or lid from flowing to or towards the outside rim of the container, and thereby prevents the formation of similar interlocking waves about the outside rim of the container.

Abstract: A unitary, removable, transportation ring for retaining the lid or cover on a cylindrical container, such as a metal paint can, which operatively fits over the outer margin of the container's friction-fit cover and upper rim flange; such ring being molded of rigid plastic material to form a unitary annular member of generally inverted U-shape cross section defining an annular body having a raised planar platform forming a stacking ring on the upper side of its body and two parallel annular limbs depending from the underside of the body; the radially outer annular limb having a continuous radially inwardly projecting locking bead or finger adapted to underengage the upper rim flange of the container whereby to secure and retain the transportation ring in operating position while the inner annular limb is relatively longer and thinner than the outer limb and is designed to depend freely into an underlying annular recess formed near the outer edge of the container's lid or cover to frictionally fit into a corres

Abstract: A cylindrical vessel is closed at its end by a cover. To facilitate opening, the cover is tiltably mounted at its sides on supporting blocks. By means of spindles, the two supporting blocks can be raised and lowered. At least one swivel arm is tiltably articulated to the vessel closure and tiltably as well as slideably articulated to the vessel, in such a manner that upon raising of the cover, the latter is at the same time tilted back away from the exposed vessel opening to improve access to the interior of the vessel.

Abstract: A seal engaging ring comprising an annular ring having an upper portion, a lower portion, an inner diameter and an outer diameter, the inner diameter having at least one major relieved area and the annular ring having at least one aperture for receiving a tamper indicating seal.

Abstract: A paint or similar can adapted to retain its lid in fluid tight condition against mechanical or pressure disturbances. The can has a ring element secured to the top of its sidewall and a lid assembled onto the ring element. Rubber or other sealant is disposed between the ring element and lid to form one or more continuous seals between the ring element and lid. An overcap having a debossment is placed over the lid. Filament reinforced low stretch adhesive tape is adherently applied to the overcap and the sidewall and hold the overcap down tightly against the lid with the debossment pressing against the lid to prevent the lid from backing off from the ring element and breaking the seal.

Abstract: A vent system adapted to be installed on a standard container, in place of a shipping and storage plug, for use in venting the container without requiring any modification to the container. The vent system includes a knob which is turnable in one direction to place the vent system in a vent closed condition, as for example for shipping the container, and turnable in the opposite direction to place the vent system in a vent open condition to permit air to be vented into the container during fluid removal. A vent housing is adapted to be screwed into a threaded opening of the container. The knob includes a cap and a ring which are held together by a tamper evident seal. The knob is captured by the vent housing to prevent unwanted removal of the knob and to prevent unwanted access to the container. The tamper evident seal must be removed for access to the vent housing and for removal of the vent system from the container.

Abstract: The invention relates to a reservoir for cosmetics, in particular a mascara unit, comprising a main body of a comparatively soft plastic material, with a threaded neck, on which a screw cap can be screwed, with at least one stop shoulder and at least one return stop in the form of a locking arrangement being provided at the foot of the threaded neck at the shoulder of the reservoir to achieve a defined end position of the screw cap. In order to overcome the wear problems with such soft plastic material which are encountered by known devices, it is provided that an attachment of a comparatively hard material is arranged on the reservoir at the foot of the threaded neck, on which attachment the stop shoulder and the return stop are formed.

Abstract: An improved dome structure on a base is disclosed comprising, in the preferred embodiment, of a membrane sandwiched between layers of rigidifying material such as shotcrete or reinforced composite which also serve to embed radial wires and circumferential tensioned prestressing. Various types of circumferential tensioned prestressing can be applied to minimize bursting stresses and can consist of steel wire as well as fiber or steel-reinforced tape. Further layers of rigidifying material can then be applied over the circumferential prestressing as a final protection and cover. The radial wires can contain spacers or hooks to preclude the circumferential prestressing from riding up on the structure. The lower portion of the dome can include a reverse curvature to minimize stresses and stabilize the structure. The rigidifying material may be composite which can be hardened by light curing. A second outer membrane can also be used for weather protection.

Abstract: A Saturn-shaped container is provided which includes a receptacle forming a lower portion of the container, a lid forming an upper portion of the container, a ring member surrounding the receptacle and supporting the lid, and a seal member positioned between receptacle and lid so as to define a first and second compartment within the container. Advantageously, the lid is transparent and may serve as a magnifying means for viewing contents within the container.

Abstract: A method for joining a lid to a container includes the formation of interlocking waves of material at the location where the lid joins the container. The interlocking waves are geometrically aligned relative to the interior of the container so as to maximize the burst strength of the container and minimize the peel strength of the lid from the container.

Abstract: The vessel comprises a part having an end portion which is introducible into a second vessel part and which has a cylindrical outside surface formed with an annular recess. The second vessel part has a connecting part having a cylindrical inside surface formed with a recess in the form of an annular groove and having a connecting duct which extends from the outside into the recess tangentially. When the two casing parts are in a connected position the two recesses bound a guide duct for a flexible closure part which is made, for example, of a steel string or cord or the like and which is introduced through the connecting duct into the guide duct to interconnect the two casing parts and withdrawn from the guide duct to release the two casing parts (1, 1a, 2a).

Abstract: This invention concerns an inlet opening protector for use during maintenance operations on railroad hopper cars. The protector shields the coaming of a hopper car hatch and closes off the hatch opening. The protector includes a throat liner and a short liner. The throat liner has a frusto-conical skirt portion which defines interior and exterior edges. A radical flange is attached to the internal edge of the skirt. A plate member is attached to the external edge and covers the space defined by that edge. The surfaces of the skirt are tapered and sized to fit partially through the coaming. The short liner has a radial collar and an annular ferrule which fit around the skirt. The ferrule frictionally engages the coaming and the skirt to hold the throat liner in place in the inlet opening.

Abstract: A lid securing device is provided for receptacles having a receptacle body and a receptacle lid. The lid securing device preferably includes at least one lid strap and a receptacle strap. The lid strap has a first engagement structure at least at one end thereof. The receptacle strap is adapted to circumferentially engage the receptacle body and has a second engagement structure. The first and second engagement structures are adapted to detachably engage ends of the lid strap to the receptacle strap. The receptacle strap and lid strap preferably are constructed from an elastic material, such that they can be securely stretched across the receptacle and receptacle lid, respectively.

Abstract: A tamper evident container assembly for perishable foods such as dairy products. A container is provided with a removable lid which mechanically interlocks with the container in a conventional fashion. A fragible ring is wedged onto the lid to prevent release of the mechanical interlock and removal of the lid. A frangible tab section of the ring must be broken away to release the ring and permit removal of the lid. Absence or breakage of the ring provides visual evidence of possible product tampering.

Abstract: The formation of an outwardly extending curl as the upper rim of a pail or drum having a cylindrical wall by curling the peripheral edge through greater than 360.degree. relative to the cylindrical wall forms a strong curl able to support, with the aid of a gasket, a leak proof seal during dangerous goods testing. When used with a lug-cover lid, the lugs may be clenched beneath the curl through a re-entrant portion enhancing the security of the seal. Methods of forming the curl in a two-storage operation by forming primary and then secondary curl components, and an improved lug configuration are also described.

Abstract: A plastics collar for retaining a plug lid 45 in a ring 44 double seamed to can body 1, has a peripheral skirt 38 portion having on its interior surface a snap fit bead 41 for entering under the double seam 3; a planar annulus 37 extending radially inwards from the top of the skirt over the seam 3 and at least part of the ring 44 and lid 45; and an annular rib 43 extending down from the planar annulus to hold the lid in the ring. The collar may be provided with a jacking screw 39 to assist removal from interlock with the double seam 3 and progressive removal is facilitated by a radial slit or line of weakness at which the collar first parts from the can.

Abstract: A governor cap sealing structure of a transmission gearbox, in which a governor cap for covering a governor valve arranged outside the transmission gearbox is mounted to a mount member attached to the outside of the transmission gearbox via a sealing member interposed between the governor cap and a sealing surface of the mount member, and in which the width of the sealing surface of the mount member is larger than that of the sealing member.