Abstract: A pair of swimming goggles for swimming pool purposes includes left and right lens frames each of which has a lens unit, a nose bridge connecting inner sides of the left and right lens frames, and a head strap. The nose bridge includes a body portion for touching a wearer's nose, and a guide portion with a first bar and a second bar respectively extending from opposite sides of said body portion. Each of said first bar and said second bar has a parallel section for providing the lens frames to move thereon, and a connection portion connecting the head strap. Thus, the swimming goggles can effectively guard against interference each other during the adjusting and can respectively conform with a wearer's eyehole contour, so as to provide more comfortable fitting and prevent the seepage of water when the swimming goggles are in use.

Abstract: An assembly system for securing an adjusting strap to a frame of goggles includes a pair of goggles, two jointing blocks and an adjusting strap. The pair of goggles are provided with a cavity at each side of the frame. One side of each cavity has a groove, and a hollow is provided in each end of the lens. Each jointing block has a front inserting portion, a buckle ring and an operating member. A hooking foot is provided on the inward surface of each inserting portion, and each operating member has a flanged curve at the front end. A row of spaced teeth are provided on each end section of the adjusting strap, and each tooth has a slant surface on one side. The middle section of the adjusting strap has a plurality of flanged granules.

Abstract: A buckle includes a body having a pressing portion, a clamping portion, and a bendable connecting portion between the pressing portion and the clamping portion. The pressing portion includes two sidewalls and a post fixed between the sidewalls. The clamping portion includes a clamping hole. The connecting portion is mounted around a mounting peg of a main body of a pair of swimming/diving goggles. An end of a head strap of the pair of swimming/diving goggles extends into the body, winds around the post, and extends out of the body. The end of the head strap is pullable to obtain a desired tightness, exerting a force to the post to press against retaining edges on two lateral sides delimiting the clamping hole, thereby reliably positioning the head strap in place. The pressing portion is manually movable to disengage the post from the retaining edges, allowing loosening of the head strap.

Abstract: A dive mask with front-view and side-view lenses and with integral side mounted rear view mirrors.

Abstract: A pair of swimming goggles for swimming pool purposes comprising: a left and a right lens frame each of having a lens unit, a nose bridge connecting an inner sides of the left and right lens frame, and a strap head, wherein the nose bridge is made of flexible and rigid material, including a body portion for touching wearer's nose, a guide portion with a first bar and a second bar which are respectively extended from on the opposite sides of said body portion, each of said first bar and said second bar have a parallel section for providing the lens frames to move thereon, and a connection portion for connecting the strap head, such the swimming goggles can effectively guard against interference each other during the adjusting and can respectively conform with a wearer's eyehole contour, so as to provide more comfortable fitting and prevent the seepage of water when the swimming goggles are in use.

Abstract: An assembly system for securing an adjusting strap to a frame of goggles includes a pair of goggles, two jointing blocks and an adjusting strap. The pair of goggles are provided with a cavity at each side of the frame. One side of each cavity has a groove, and a hollow is provided in each end of the lens. Each jointing block has a front inserting portion a buckle ring and an operating member. A hooking foot is provided on the inward surface of each inserting portion, and each operating member has a flanged curve at the front end. A row of spaced teeth are provided on each end section of the adjusting strap, and each tooth has a slant surface on one side. The middle section of the adjusting strap has a plurality of flanged granules.

Abstract: A diving mask which comprising: A framing apparatus, provided in both sides of nose portion, at least giving front glasses mounted in front frame; A mask apparatus which made by soft and flexible material, having a nose portion and edging piece extending along the facial shape, on the both side of nose portion under the front frame, integrally forming lower frames and each frame providing a lower glasses.

Abstract: A semi-frameless mask; its structure contains a hard glass lens, and a soft flexible skirt; Longer distance buckles are implemented at the sides of the intersection of the lens and the skirt, and the strap is implemented on the buckles. By implementing the longer distance buckles close to the hard lens on the skirt, the forces apply can be averagely spread on the mask while pulling or pushing the strap.

Abstract: A pair of goggles for swimming comprises a pair of frames encircling respective lenses and a head band. Each of the frames is formed on its rear end with upper and lower arms which are formed, in turn, on rear ends thereof with projections opposed to each other. Each of coupling members to couple the head band to the respective frames comprises a locking section adapted to be received between the upper and lower arms from the front of the goggles and, a belt-like section extending rearward from the rear end of the locking section and having a width or thickness smaller than a distance R between the projections and a head band insertion slot formed in the rear end of the belt-like section.

Abstract: An improved sport goggle featuring apertures communicating with a pressurized air flow provided by focusing channels in a ledge projecting from the goggle body thereby increasing air flow into the eye cavity of the goggle. Venting of the eye cavity of the sport goggle is aided by forming of the goggle body shape to create low pressure zones adjacent to side and top venting apertures that communicate with the eye cavity. During use by a user, forward motion creates air flow through the focusing channel thereby increasing the air pressure entering the goggle through intake apertures and the curved shape of the goggle body creates low pressure zones adjacent to venting apertures to pull air from the eye cavity thereby increasing air flow and eliminating fogging. Additional utility is provided by aperture gates that are cooperatively engageable with the venting apertures to regulate air flow and/or absorb moisture.

Abstract: A dive mask having a configuration of reverse Galilean telescopes. The reverse Galilean telescopes are tilted relative to each other. This configuration achieves panoramic true-sized vision underwater, instead of vision that exhibits the magnification effects experienced with flat dive masks.

Abstract: A pair of swimming goggles includes two lens frames, a nose bridge, two gasket units and a head strap, each of lens frame has at least one concave cavity which are disposed on a periphery of each lens frame and each of which the concave cavity has a opening is disposed toward a contact side of each lens frame, and each of gasket has a foam layer and a resilient layer in which the foam layer is attached to the periphery of the rear lens frame of each lens frame to provide seal up the concave cavity, and the resilient layer is attached to the foam layer for attachment on the periphery of a wearer's eyehole, thereby providing a buoy of the swimming goggles since it is lost weight to each lens frame by the concave cavity such the swimming goggles can provide a good hermetic and comfortable fitting when the swimming goggles are in use.

Abstract: A lens/frame assembly for swimming goggles comprises a frame made of rigid material with slight flexibility, two lens received in a lens-holding compartment of the frame, and a connecting block. The lens-holding compartment has a bridge portion in a middle thereof. A connecting block is securely received in the bridge portion of the lens-holding compartment and securely mounted to the frame to thereby securely retain the lenses in place.

Abstract: A draining structure for diving mask includes a soft head cover fixedly connected to a rigid skirt framing a lens. The soft head cover includes a forward projected nose portion having a draining valve provided at a bottom thereof to be openable only in an outward direction. A draining guide is provided below the nose portion and has a hole formed directly below the draining valve to prevent water from sideward flushing open the draining valve when a diver jumps into water in a vertical position. An upward projected flange is provided at a rear end of the draining guide to guide air bubbles produced by the diver's expiration to two side outlets of the draining guide. The flange also reinforces the two side outlets and prevents them from deformation when the head cover is put on the diver's head and presses against the side outlets.

Abstract: A pair of swimming/diving goggles comprises two lenses, a protective frame, and a main frame. Each lens is made of rigid transparent material and includes a peripheral edge. The protective frame is made of a material that is slightly flexible and pull-resistant. The protective frame includes two rings each having a receiving groove for engaging with the peripheral edge of an associated one of the lenses. The main frame is made of soft material and securely engaged with the protective frame by means of molding injection. The main frame includes two padding portions for intimate contact with a user's eye sockets. The protective frame prevents disengagement of the lenses from the protective frame and the main frame when a pulling force is applied for wearing the pair of swimming/diving goggles.

Abstract: A pair of swimming goggles comprises a first and a second single-eye modules, each of which includes a lens frame that has lens units mounted thereon, a module nose bridge which is mounted on the side of the lens frame, a module strap which is mounted on opposition the module nose bridge, wherein the module nose bridge include at least a first connection set which is disposed on the lens frame, the first connection set have a first position portion and a nose body which can be connected to the first position portion. The module strap including a matching mean which is mounted on the lens frame, a join mean which can be engaged to the matching mean, a strap element which is assembled on the join mean, and a fastener having a first and a second jacket set which are mounted on the free end of the strap element, such that the user can chose the dual single-eye module which are respectively conformity with own each eye's diopter and can be easily assembled into a pair of swimming goggles when in use.

Abstract: A dual single-eye swimming goggles system for swimming pool purposes comprising: a first single-eye swimming goggle and a second single-eye swimming goggle as well as a method for wearing single-eye swimming goggles on a wearer's head. Each single-eye swimming goggles having a lens frame with a lens fixed therein, and a head strap means mounted to the lens frame. Each single-eye swimming goggle can respectively be adjusted to match the periphery of a wearer's eyehole, so both eyes of a user are more comfortable during use the dual single-eye swimming goggles; and to prevent consequently the seepage of water.

Abstract: Goggles for swimming or diving (1) comprising a frame (2) formed from a substantially flexible annular body made in a single piece with a surround (8) capable in use of being applied hermetically on the user's face, and a lens (3) shaped according to a cylindrical surface with variable radius of curvature. The surround (8) has an annular shape that is substantially a horizontal figure-of-eight, which describes a single continuous perimeter surrounding the user's eyes, and lens (3) is formed from a substantially flexible single sheet, the peripheral edge of which is embedded hermetically by simultaneous moulding in frame (2).

Abstract: A type of swimming goggles comprises: two lens frame units, each of lens frame units accommodates a lens, and at its two opposite ends are a first joining unit and a second joining unit, said first joining unit being located closely to the inner side of said lens frame, including two through holes, and said second joining unit being located on the outside of said lens frame, including two engaging holes with clasp opening thereon, and each of two lens frames having a clasp piece extended along an upper rim and a lower rims of each lens frame to form fixing grooves, two strings passing through said first and second joining units of said two lens frames; wherein the diameter of each of said strings is less than the diameter of each of said through holes and engaging holes, so that would enable said strings to more easily enter said through holes and engaging holes for easier adjustment.

Abstract: A support for earphone unit for a scuba diver mask (18) comprises a U-shaped base (20) with a rod (21) extending from it, associable to an earphone unit (12), to be arranged close to the scuba diver's ear, wherein the U-shaped base (20) in each of its two legs (23) can be attached to a carrying band (14) of the mask (11) by freely removable coupling means (24, 25) and a free end of the rod (21) is arranged into a seat (30) of the earphone unit (12).

Abstract: A diving face mask 1 has a skirt 3 of which a part forms a nose cover 9. The nose cover 9 has a bottom wall 12 configured so that the inner surface of the bottom wall 12 facing nares of a wearer of the mask curves along transversely middle portion 13 of the inner surface so as to protrude inwardly of the nose cover 9 with respect to the portions of the inner surface extending on both sides of the middle portion 13.

Abstract: An eye mask has magnetic bodies and self-heating warm members, which are inserted in eye pads on a mask member to be placed over eyeball parts. If required, vibrators and illumination bodies may be additionally placed in the eye pads. Thus, fatigue on the eyes and surroundings thereof can be relieved by the magnetic actions of the magnetic bodies and the warming effects of the warming member, in addition to expected effects of restoring ocular functions, recovering from various ocular diseases, and so on. Furthermore, the surface of each of the eye pads is gradually curved like the inner surface of a sphere. When the eye pads are press-contact to the eyeball parts at predetermined pressures for a long time, the cornea can be warmed by the warming members so that the shape of the cornea can be changed along the shape of the eye pad, resulting in the effects of recovering from eye sight disorder such as pseudo-myopia, moderate farsightedness, or moderate astigmatism.

Abstract: A swim goggles comprises a frame including two frame elements, two arcuate grooves, and extensions on either end, two fastening assemblies on either side each including an inner buckle member, two opposite gaps, a tongue between gaps, two inner rails, a groove between rails with the guide rails inserted therein for fastening frame elements, and a slit, a lens assembly including a main lens, two side lenses, two protrusions at a bridge thereof with the lens assembly fitted in arcuate grooves, a rear mask assembly including an annular flange, a flared protective covering, an annular groove fitted with the lens assembly, latched members, and two holes, and a strap passed through slits from one side of the frame to the slits on the other side of the frame for coupling fastening assemblies together.

Abstract: Swimming goggles, comprising: two lens frame main bodies, each lens frame main body accommodating a lens, and, at two opposite ends of a longer side are a first joint and a second joint; at least one string that is sequentially pulled through the first and second joints of the aforementioned two lens frame main bodies, maintaining an appropriate separation between the two lens frame main bodies, and winding along the rims of the lens frame main bodies. By these structural characteristics, the user will be able to adjust the distance between the two lens frame main bodies, in order to adjust the length of the nose bridge; meanwhile, the length extending from the winding string will serve directly as a headband.

Abstract: A pair of goggles for swimming comprises a pair of frames encircling respective lenses and a head band. Each of the frames is formed on its rear end with upper and lower arms which are formed, in turn, on rear ends thereof with projections opposed to each other. Each of coupling members to couple the head band to the respective frames comprises a locking section adapted to be received between the upper and lower arms from the front of the goggles and, a belt-like section extending rearward from the rear end of the locking section and having a width or thickness smaller than a distance R between the projections and a head band insertion slot formed in the rear end of the belt-like section.

Abstract: A pair of swimming goggles comprises two lenses made of rigid material and two frames made of a soft material. Each lens includes a main portion and an engaging portion. The main portion is larger than a human eye socket. The frames are connected by a connecting portion therebetween. Each frame includes a ring portion for receiving the main portion of an associated lens. Each frame further includes a padding portion on an inner side thereof. The padding portion is engaged with the engaging portion of the associated lens and larger than the human eye socket. A space is defined between the two padding portions and located corresponding to a wearer's nose. Each padding member is in intimate contact with an area surrounding the wearer's eye socket and a lateral nose area of the wearer and not in contact with an upper portion of the wearer's nose.

Abstract: A pair of swimming goggles includes two lens frames, each of which receives a lens unit and has a chamfer disposed on the side thereof, a nose bridge joining the two lens frames including a body with a staff on each end thereof, a stopper being located on the edge of the staff, a strap means comprising a strap element with a first and a second free end and a fastener having a first jacket assembly and a second jacket assembly mounted respectively on the first and second free end of the strap element whereby the first and second jacket assembly are connectable, such structures as the nose bridge and two lens frames can be conveniently assembled when the user replaces or adjusts the nose bridge.

Abstract: A pair of swimming goggles for swimming pool purposes comprising: a left lens frame, a right lens frame, two lens units and a strap mean, each of lens frames has an inner periphery that defines a lens retaining space for receiving a lens unit and the periphery of each lens frame have at least one connection base. A strap mean for passing through the connection base of each of lens frames and tightening the swimming goggles to a wearer's head, such the swimming goggles can effectively guard against interference each other during the adjusting and can respectively conform with a wearer's eyehole contour, so as to provide more comfortable fitting and prevent the seepage of water when the swimming goggles are in use.

Abstract: The present invention proposes an improved pad structure of swimming glasses, wherein the pad thereof is integrally formed of soft material. The outer side of the pad forms a ring face, which can contact tightly with the skin of eye socket to achieve airtight effect. A plurality of enhancement structures for increasing the resiliency of the pad are alternately disposed between the inner and outer side faces of the pad, thereby effectively resisting the pressure of water and increasing the resiliency of the swimming glasses. Moreover, the position of the swimming glasses can be elevated to prevent the nose bridge from contacting with a hard joining ring and to enhance the comfort of wearing.

Abstract: A pair of swimming goggles comprises two lenses, two frames, a bridge, two padding members, and a head strap. Each lens is made of rigid material and includes an engaging portion. Each frame receives an associated lens therein and has an engaging portion engaged with the head strap. The bridge is integrally formed with the frames and located between the frames. Each padding member is made of a flexible material that is softer than that of the frames. Each padding member has a receiving portion for securely engaging with the engaging portion of the associated lens. Each padding member includes a padding portion in intimate contact with a wearer's eye socket.

Abstract: Underwater mask including a protective covering integral to the headrest fit to envelop and hold the mask itself. To this aim the headrest (4) of the mask is made in the shape of an envelope element provided with a foldable band, fit to hold and envelop the mask within in the manner of a bag. Said envelope element is connected to the mask belts so to form the headrest of the mask itself, and it is made of rubber or rubber like elastomeric material.

Abstract: The present invention proposes an improved pad structure of swimming glasses, wherein the pad thereof is integrally formed of soft material. The outer side of the pad forms a ring face, which can contact tightly with the skin of eye socket to achieve airtight effect. A plurality of enhancement structures for increasing the resiliency of the pad are alternately disposed between the inner and outer side faces of the pad, thereby effectively resisting the pressure of water and increasing the resiliency of the swimming glasses. Moreover, the position of the swimming glasses can be elevated to prevent the nose bridge from contacting with a hard joining ring and to enhance the comfort of wearing.

Abstract: Swimming goggles include goggle frames and associated goggle lenses Each goggle lens has an outer composing layer and an inner composing layer which is unified with the associated goggle frame. The inner composing layer is welded together to an inside face of the outer composing layer. The goggle frame is welded together to a peripheral side face of the outer composing layer. In this way, the goggle frame and the associated goggle lens are unified together. The swimming goggles are free from water penetration between the goggle frames and the goggle lenses, and allow a high productivity and a low incidence of defected products.

Abstract: A diving mask, in particular to fit optical glasses, including a face of elastomeric material, provided with at least one opening, and a stiff body having at least one seat to house a glass or lens. Watertight elements are provided between the lens or glass and the seat, and a framework holds the lens or glass in the seat. Along a substantial part of the peripheral edge of the stiff body, on a plane substantially parallel to the plane of the lens or glass, guiding means are formed for the insertion of the framework into the seat.

Abstract: The head strap (4) to be applied to the belt (3) of underwater masks (1) comprises two side elements or ear flaps (5) suitable to cover completely the ear lobes (6) of the user of the mask.

Abstract: A pair of swimming goggles includes two lens frames, a nose bridge, two gasket units and a head strap, each of lens frame has at least one concave cavity which are disposed on a periphery of each lens frame and each of which the concave cavity has a opening is disposed toward a contact side of each lens frame, and each of gasket has a foam layer and a resilient layer in which the foam layer is attached to the periphery of the rear lens frame of each lens frame to provide seal up the concave cavity, and the resilient layer is attached to the foam layer for attachment on the periphery of a wearer's eyehole, thereby providing a buoy of the swimming goggles since it is lost weight to each lens frame by the concave cavity such the swimming goggles can provide a good hermetic and comfortable fitting when the swimming goggles are in use.

Abstract: A swim mask having a buckle that slides in a curved groove in the mask frame. The buckle has a virtual pivot point that is much farther forward than any prior art swivel mask buckle. In fact, the virtual pivot point could be infinitely in front of the mask if the groove were straight. The embodiment shown has a pivot point that is slightly in front of the mask lens. The preferred embodiment is also extremely simple to manufacture and assemble. It also has a means for being easily locked into any of several positions by the user. It is also aesthetically pleasing and allows easy strap adjustment. The preferred embodiment also has a means to attach to the mask frame such that it is extremely secure and cannot be accidentally detached and it also has only three components per buckle.

Abstract: A frame for swimming/diving goggles comprises an inner rigid frame and a covering that is made of a soft, tensile material and that covers at least a portion of the inner rigid frame. The frame comprises two lens-engaging portions and a bridge connecting the lens-engaging portions, the lens-engaging portions and the bridge being formed by the inner rigid frame and the covering. In another embodiment of the invention, the frame comprises a lens-engaging portion defined by the inner rigid frame and the covering.

Abstract: A pair of swimming goggles comprises two lenses made of rigid material and two frames made of a soft material. Each lens includes a main portion and an engaging portion. The main portion is larger than a human eye socket. The frames are connected by a connecting portion therebetween. Each frame includes a ring portion for receiving the main portion of an associated lens. Each frame further includes a padding portion on an inner side thereof. The padding portion is engaged with the engaging portion of the associated lens and larger than the human eye socket. A space is defined between the two padding portions and located corresponding to a wearer's nose. Each padding member is in intimate contact with an area surrounding the wearer's eye socket and a lateral nose area of the wearer and not in contact with an upper portion of the wearer's nose.

Abstract: The present invention proposes an improved pad structure comprising a frame, a pair of pads, and a pair of sponges. The frame comprises a pair of rims, a bridge, and a pair of fasteners. A ductile belt can be tied between the pair of fasteners. The pair of sponges are respectively joined with the pair of rims. The inner edges of the pair of pads respectively sheathe the pair of sponges. Although the positions of the sponges and the pads are interchanged, the swimming glasses also maintain resiliency. Moreover, when the swimming glasses are worn, because the pair of sponges are respectively sheathed at the inner edges of the pair of pads and the face contacts tightly with the pair of pads, penetration of water into the swimming glasses because of absorption of water by the sponges can be avoided.

Abstract: A pair of swimming goggles comprises two lenses, two frames, a bridge, two padding members, and a head strap. Each lens is made of rigid material and includes an engaging portion. Each frame receives an associated lens therein and has an engaging portion engaged with the head strap. The bridge is integrally formed with the frames and located between the frames. Each padding member is made of a flexible material that is softer than that of the frames. Each padding member has a receiving portion for securely engaging with the engaging portion of the associated lens. Each padding member includes a padding portion in intimate contact with a wearer's eye socket.

Abstract: Goggles include an eye-cup and a belt that are coupled by means of a coupling member. The eye-cup and the coupling member can be engaged and disengaged easier compared with conventional goggles. In the goggles, at a connecting end of the coupling member is provided an elastic bent piece with a V-shape section and a spring property. And a connection recess is provided on the eye-cup. The elastic bent piece of the coupling member and the connection recess of the eye-cup are fixed together in a mutual engaging state. The engaging state can be released by narrowing the gap distance in the V-shape of the elastic bent piece.

Abstract: A diving mask having a lens providing a wide view field, which is formed by glueing together of multiple glasses, using a glue with elastic and flexible properties. The planes of the connection between the glasses is designed to overlap or be parallel with the line of sight.

Abstract: A dual single-eye swimming goggles system for swimming pool purposes comprising: a first single-eye swimming goggle and a second single-eye swimming goggle as well as a method for being worn single-eye swimming goggles on a wearer's head, each single-eye swimming goggles having a lens frame with a lens fixed therein, and a head strap mean mounted to the lens frame, each single-eye swimming goggle can respectively adjusting to match the periphery of a wearer's eyehole, so as to both eye of a user get more comfortable during use the dual single-eye swimming goggles; beside, to prevent consequently the seepage of water.

Abstract: The disclosure relates to a buckle assembly suitable for headgear such as swimming goggles of a type provided in combination with an elastic strap having a set of equally spaced teeth, projections, transverse ridges, arranged along the strap at least on the end portions of the strap, which enables easy adjustment of the length of the elastic strap. The disclosure also relates to a swimming goggle having such a buckle assembly.

Abstract: The invention relates to a method for avoiding the onset of eye discomfort while performing prolonged near point activities such as use of a computer or reading. The method of the invention comprises creation of a high periocular relative humidity over the surface of the eyes when engaged in prolonged near point activities. Preferably, the relative humidity is maintained at least at eighty percent and preferably at least at ninety percent. The increased humidity maintains the thickness of the lipid layer during such activity thereby reducing evaporation from the tear film. The high periocular relative humidity is desirably achieved using frames over the eye to encase the eye in a confined but controlled atmosphere.

Abstract: A squirting swim mask is provided having a snorkeling mask and a pair of squirt nozzles, one located on either side of the mask, near eye level. Each nozzle connected to squeezable bulbs via sections of thin plastic tubing, with each squeezable bulb having its own one way water valve that allows water to enter the bulb through the valve, but never leave the bulb through the valve.

Abstract: The present invention discloses a swimming goggles comprising a lens frame which is assembled by a first frame and a second frame; a padding member and a lens which are assembled into the first frame and the second frame; and a head strap, characterized in that the lens and the padding member are fixed as a whole piece with press tightly by the first frame and the second frame, wherein a extending plate is respective disposed on the first fame and the second frame with a opening thereon, and each extending plate has a protrusion at the edge of the opening and the second frame have lugs which could press with the protrusions together tightly after the stressing element is assembled to the first frame and the second frame respectively. Such that providing better comfort without pressing hard on the wearer's eyeballs, and offering a wider vision for the wearer as well.

Abstract: A face mask for diving includes a pair of front lenses and a nose cover formed by a portion of a skirt between these lenses. Proximal ends of the nose cover and a portion of the skirt being contiguous to these proximal ends are curved along the lens frame with the lenses held therein closely in contact with an inner peripheral surface and an inner surface of the lens frame.

Abstract: A squirting swim mask is provided having a snorkeling mask and a pair of squirt nozzles, one located on either side of the mask, near eye level. Each nozzle connected to squeezable bulbs via sections of thin plastic tubing, with each squeezable bulb having its own one way water valve that allows water to enter the bulb through the valve, but never leave the bulb through the valve.