Abstract: A laparoscopic staged hepatectomy using round-the-liver ligation is carried out includes: (1) a laparoscopic operation is performed with general anesthesia using round-the-liver ligation, the branches of the portal vein of the hemiliver are ligated, a tourniquet is used to tighten the connecting part between the right and left hemilivers to block the communicating blood flow between the hemiliver to be removed and the hemiliver to be reserved, a drainage tube is put into the peritoneal cavity, then close the peritoneal cavity; (2) the patient gradually resumes eating after the first operation, and recuperate to make the volume of the hemiliver increase to an expected volume; (3) after the hemiliver increases to the expected volume, a laparoscopic liver resection is carried out with general anesthesia to remove the diseased hemiliver, and then the patient is nursed to be completely recovered. An instrument for implementing the laparoscopic staged hepatectomy is also disclosed.

Abstract: A band clamp includes an elongated band having a base portion which in cross section extends in a plane and first and second side portions. The first and second side portions of the band protrude away from the plane. A first housing is attached to the band and a second housing is attached to the band in a spaced manner from the first housing. A fastener is attached to one of the first and second housings in an adjustable manner. The fastener selectively engages with another of the first and second housings in a quick connect manner, such that the first and second housings can be brought closer to each other for tensioning the clamp around an associated object.

Abstract: The collar has a metal belt (10), a pair of projecting lugs (12, 14), a tightening rod (16) disposed in holes in said lugs, and tightening members (16A, 16B) co-operating with said rod and with bearing portions of the lugs. At least one of the lugs in the pair is a lug (14) having an extension, the bearing portion of which lug is formed in an extension (17) of said lug, which extension is folded over towards the rear of said lug, and is provided with a hole for the tightening rod. The extension (17) and the front portion (15) of the lug (14) having an extension are interconnected via a strip portion (20) forming a link loop defining an axial tunnel having its two axial ends open, said tunnel being shaped so that the angle of inclination between the extension (17) and the front portion (15) of the lug can change when the collar is tightened.

Abstract: Clamping element and method of forming clamping element. Clamping element includes a spring bracket, which is locked to the clamping element, a polygonal threaded nut, and a tightening screw, which is interacteable with the polygonal threaded nut. The threaded nut is held secured against rotation in the spring bracket.

Abstract: A hose clamp fastener positive locking device is provided that comprises a two-legged, pronged device adapted to secure about the fastener housing of a hose clamp and prevent rotation of a slotted fastener disposed therein. The device comprises a first and second leg joined to an upstanding member. The upstanding member engages the slotted fastener head of the hose clamp, while the legs are positioned about the sides of the fastener housing. The distal ends of the legs are pinched together about the end of the fastener housing to secure the upstanding member and the legs to the fastener housing.

Abstract: The present invention is directed to an apparatus and method for utilizing an airbag clamp for securing an airbag onto an inflating tube of an airbag system. An embodiment of the present invention includes a body, a first engaging portion, and a second engaging portion. The body may be capable of surrounding the device, wherein the body may include a first end and a second end that are capable of moving towards each other. The first engaging portion may be located at a first end, wherein the first engaging portion may include at least one plate. The second engaging portion may be located at the second end, wherein the second engaging portion may include at least one plate. The engaging portions may be capable of being fitted together and the plates may be capable of being fastened together to secure the clamp around the material and device.

Abstract: The collar has a roughly cylindrical metal band and a pair of ears projecting from this band and defining a tightening space between themselves. It also has a tightening device for pulling these ears towards each other. The ears have an extension which is bent around behind each ear away from the other ear and which has a hole for the tightening rod and the tightening device, this hole being lined up with a hole in the forward part of the same area ear. A bracing space is provided between the bent extension and this forward part. The holes of the extension and of the forward part each have an edge portion with a guard which extends into the bracing space and an edge portion without a guard which is aligned with the guard of the other hole.

Abstract: A circumferential clamp (2) including a clamping band (4) having oppositely disposed circumferential ends (8, 10) and a latching assembly (6) for securing the ends (8, 10) together. The latching assembly (6) includes first and second latching devices (12, 14), each of which includes an elongate element (16, 26, 28) which is pivotably mounted on the clamping band (4) adjacent one of the ends (8, 10) and is engageable with the clamping band (4) adjacent the other end to latch the ends (8, 10) together. The lengthwise axes of the elongate elements (16, 26, 28) lie in, or intersect, a common plane tangential to the clamping band (4), and may be coincident with, or intersect, each other.

Abstract: Disclosed is a collar which includes a belt carrying first and second tightening lugs, a threaded tightening rod, and first and second nuts that co-operate respectively with the lugs so as to bring them towards each other by screw engagement with the rod. The second nut is retained so that it is prevented from moving in rotation relative to the second lug and the rod has first and second threads that co-operate respectively with the first nut and with the second nut in such a manner that driving the first nut in its screwing direction successively causes said first nut to be screwed onto the first thread, and the tightening rod to be driven, thereby screwing said tightening rod into the second nut.

Abstract: A clamping device includes a holding member including a space for allowing an item to be disposed therein, and a tightening mechanism operable to make the holding member clamp the item in the holding member. The space is varied in size depending upon the external diameter of the clamped item. Additionally, the tightening mechanism is provided for enabling a satisfactory securing condition for any size of items.

Abstract: Disclosed herein is a high compression pipe clamp which in one embodiment has a hollow rigid inner housing and a hollow rigid outer housing. The hollow rigid inner housing may have a first end, an outer diameter, and a first strap bracket. The hollow rigid outer housing may have a first end, and inner diameter and a second strap bracket wherein the inner diameter of the outer housing is larger than the outer diameter of the inner housing to fit thereover. A threaded rod is also disclosed, the threaded rod passing through the inner housing and outer housing and a threaded nut engaging the threads on the threaded rod.

Abstract: A pipe repair clamp includes a flexible strap having ends that are brought together when the clamp is closed. A thrust plate is secured near the first end of the flexible strap. A lug is secured to the thrust plate. A lug plate is secured near the second end of the strap. A threaded stud is secured to the lug plate and is used to tighten the clamp. A lug cover plate is secured to the lug and the thrust plate and receives the threaded stud. The lug cover plate includes a curved end portion covering at least a portion of the lug. A locking plate receives the threaded stud. The locking plate slides along a top surface of the lug and over the lug cover plate when the first and second ends of the strap are pulled toward each other when the clamp is tightened around a pipe.

Abstract: Profiled clamp that includes a clamping element, a sealing element having elastically deformable spacers on a radial outside, and a profile band on which the sealing element is held secured against loss. The elastically deformable spacers bear against an inside of the profile band in a non-positive manner.

Abstract: Disclosed is a clamping device including a collar having at least one pair of projecting lugs and tightening means co-operating with said lugs. Each lug of a pair is equipped with reinforcement means suitable for opposing deformation of said lugs under the action of the tightening means. Each lug has a connection portion via which it is connected to a belt portion of the collar, which connection portion is upstanding relative to said belt portion, and a tightening wall, with which the tightening means come into engagement and which is folded back towards the belt portion. A space is formed between the connection portion and the tightening wall.

Abstract: A hose clamp includes a clamping band, a clamping device and a positioning arrangement, wherein the positioning arrangement has at least one positioner with a base and a claw for being pressed into a hose wall. The claw has a portion protruding inwardly from the base in a pressing direction, wherein the claw has an end which forms with the inwardly protruding section an obtuse angle (?).

Abstract: A hose clamp includes a binding belt, which has a recess and a protruding portion respectively disposed at front and back sides of one end thereof, a plurality of through holes disposed around the recess, and a plurality of retaining portions in communication with the through holes, and a screw holder, which holds a screw for joining the ends of the binding belt and, which has two mounting plates respectively stopped at two sides of the protruding portion and fastened to the through holes of the binding belt and a plurality of locating rods respectively extended from two sides of each mounting plate and respectively fastened to the retaining portions.

Abstract: A connection of a hose clamp and a hose has a rubber-elastic ring that surrounds the hose detachably and with elastic pretension. The ring is positioned underneath a clamp strap of the hose clamp. The ring has radial hook-shaped first projections for locking the clamp strap of the hose clamp between the first projections by engaging across edges of the clamp strap. The first projections are formed on edges of the ring. The thickness of the ring in an area located axially between the first projections is 5% to 9% of the wall thickness of the hose.

Abstract: A securing arrangement (10) suitable for e.g. strapping material together. The arrangement (10) comprising an elongate member (12) with a plurality of holes (20) along its length, formed into a loop. An L shaped securing member (14) is provided at or adjacent each end of the loop, with a respective formation (30) engaged with all other holes (20). A nut and bolt (50, 52) is engageable between the stems of the respective securing members (14) to close the loop to a required position.

Abstract: A portable grinding machine (10) includes an elongated housing (12, 14) and an output shaft (16) projecting at a right angle to the housing axis for receiving a disk-shaped rotary clamping tool. The output shaft is encompassed by a substantially cylindrical clamping collar (30), on which a shell-like protective cover (20) is secured in a tensile manner against rotation and axial displacement and which serves for encompassing the clamping tool (18) and which can be attached on the clamping collar (30) with a ring-shaped tensioning belt (28). The tensioning belt (28) has sharp-edged projections (32) projecting to the clamping collar, which upon clamping, born into the clamping collar and are held there in a form-locking manner (a shell-like tensioning band).

Abstract: A clamp has two injection moulded tangs 1, 2 hinges together by a pin 3 and held closed by a wing nut 4 and a screw 5 having a cross-head 6. The tangs each have a tapered groove 7 running around inside them. In use, this groove engages flanges F on tubes T with a seal S therebetween to hold the tubes in sealing relationship with each other. The one tang 2 has a clevis 10 defined by two lugs 11. Each has an overhung recess 12 into which the cross-head 6 of the screw clips. A crossbar 14 connects the lugs remote from their tang, whereby the screw is limited in its angular displacement about the recesses 12, as shown in FIG. 3. The crossbar also stabilises the lugs against relative displacement under load when the nut is tightened. The other tang 1 has a part conical formation 21 on lugs 22 defining a clevis 23 similar to clevis 10. The nut has a complementary conical recess 24. Engagement of the formation 21 in the recess 24 restrains the lugs from separating under load as the nut is tightened.

Abstract: An apparatus for joining cylindrical sections, including a semi-cylindrical profile section or member adapted to be coupled to a cylindrical section on an outer circumferential portion of the profile section or member and including an outer circumferential groove and an inner circumferential ridge; a ring-shaped compression ring or member coupled to the profile section or member and including a circumferential groove on an outer portion thereof and attachment fixtures or members on opposite sides thereof; and a pair of semi-cylindrical tension bands or members forming a ring shape and each including a pair of inner circumferential ridges and attachment fixtures or members on end portions thereof. The circumferential ridge of the profile section or member couples to the circumferential groove of the compression ring or member. One of the circumferential ridges of one of the tension bands or members couples to respective of the circumferential groove of the profile section or member.

Abstract: A steel band for a hose clamp has a main body and at least one pair of end portions, wherein each one of the end portions has at least one slotted hole receiving a clamping screw with a screw head. The end portions are bent to form loops. Each loop has first and second legs. First and second clamping members are inserted into the loops, respectively. The first and second clamping members have a substantially cylindrical periphery. The first clamping member has a transverse bore without thread receiving a threaded shaft of the clamping screw allowing free movement of the threaded shaft. The second clamping member has a transverse threaded bore engaging the threaded shaft of the clamping screw. The first and second legs are connected to one another near the free end of the first leg by a positive-locking connection.

Abstract: A water heater is restrained against movement, such as during an earthquake, by a restraining system. The restraining system includes a pair of adjustable straps, which accommodate water heaters of various sizes. One end of each strap is securely attached to a supporting surface, such as a wall. The other end of the straps contain a plurality of slots configured to receive a connector. A connector is positioned in a desired slot or slots in each strap such that when the straps are placed around the water heater, the connectors are positioned proximate to each other. An adjustable fastener such as a bolt is inserted through an aperture in each connector to adjustably fasten the connectors together. The adjustable connector allows fine adjustment of the tension of straps around the water heater.

Abstract: A stack ban for sealing a pipe and boot extending from a roof of a building is disclosed. The stack ban includes a band of flexible material having a smooth inner surface and an outer surface. The inner surface has a circumference substantially equal to a circumference of the pipe and forms a seal between the pipe and boot. The stack ban is preferably secured in a place by a clamp threaded inside of the band and tightened during the installation process. The band is preferably made of neoprene rubber.

Abstract: A clamping collar for sealing by perimetrically connecting the axially aligned ends of two parts which are circular in external transverse cross-sectional shape. The collar includes a strip formed into an open loop, V-shaped in longitudinal section, having two circumferentially opposite ends, and a tightener for extending force on the ends for circumferentially tightening the collar on the ends of the two parts. The tightener includes a separator for separating the two ends when the collar is loosened, for facilitating the opening and removal of the collar from the parts.

Abstract: A clamp for tightening a strip of arbitrary length around an object. The clamp includes tightening mechanisms which attach to the ends of the strip. The mechanisms are adapted so that the inner surface of a cup-shaped element of one mechanism receives the free threaded end of a tightening bolt which is pivotably mounted in a rotatable cross-peg extending through ears of the other tightening mechanism. One end of the strip is selectively securable to the clamping mechanism by a locking device having an aperture and bendable ears. The strip is locked by being passed through the aperture, folded back on itself, folded forward on itself, held by bendable ears crimped over the folded strip, and again folded back on itself and held by a second set of bendable ears crimped over the folded strip. The clamp is particularly useful for tightening a hose around an object without forming a bulge in the hose thereby preventing local leakage.

Abstract: A novel surgical clamp is provided for application to the liver, comprising an upper flexible band and a lower base, which are attached at their distal end. The proximal end of the lower base terminates in a handle. A worm drive apparatus for receiving the proximal end of the upper band is slidably mounted on the lower base. Clamping is accomplished by positioning the slidable worm drive apparatus, such that the length of the lower base between the apparatus and the distal end conforms to the inferior surface of the liver, and then gradually engaging the upper band with the worm drive apparatus, such that the upper band is compressed toward the lower base.

Abstract: A universal ground clamp is employed for clamping to a ground electrode such as a conduit, a pipe or a rod by means of a clamp strap. The ground wire is secured by means of a set screw in an aperture of a head which extends from a threaded shank. A platen, which has a convex bowed surface, is retained against rotation by retainer flanges of a contact member. The platen is clamped against the strap to secure the ground clamp in position. The clamp may be mounted and the ground wire secured by applying a torque from one side of the ground clamp.

Abstract: A lightweight very low-profile hose clamp formed from only three pieces: an elongated wire bent to form a pair of loops which are in spaced side-by-side arrangement and joined at the top by an integral nut section formed by one and one-half tight convolutions of the wire; a heavy gage steel actuating plate having three holes therein, the ends of the wire being bent rearwardly toward the nut section and passing through the end holes of the plate; and an actuating screw threadedly received in the nut section and having a pilot tip received in the central hole of the plate.

Abstract: An apparatus for seating and tightening clamps around joints between tubular sections comprises an elongate flexible member such as a chain for extending around a clamp positioned over a joint, the member having rollers spaced along its length, and a tightening device for applying tension to the member to tighten it around the clamp so that the rollers roll around the surface of the clamp and apply a radial force to the clamp.

Abstract: Simple, durable tripods for instruments such as those employed by surveyors, cameras, telescopes, laser-based measuring devices, etc. These tripods feature a tripod head which is a single piece of material and pivotable legs with a one-piece foot and a side-by-side or triangular array of hollow posts which provides strength and rigidity at a low weight. The tripod components are fabricated principally from colorfast, impact resistant, synthetic polymers which are: dimensionally stable under varying ambient temperatures; impact resistant; resistant to chemical attack and ultraviolet degradation; and, in the case of components which move relative to each other, self-lubricating. The tripod legs may or may not be extensible; in either case the tension between each tripod leg and the tripod head is independently adjustable. Stability may be promoted by rolling bearings which are located at the upper ends of the tripod legs and are seated on complementary bearing surfaces in the tripod head.

Abstract: A clamp for a hose comprising a drum which is confined for rotation within a clip. The axis of rotation of the drum is aligned with the longitudinal axis of the hose. Bands, which are connected to the clip and encircle the hose, are attached to the drum. A bolt or screw head axially accessible at an end of the drum is rotated by a tool to wind the bands onto the drum and tighten them against the hose. The clip includes latch members that engage gears on the drum to maintain tension on the bands and prevent unwanted backwinding.

Abstract: The invention refers to hose clamps of the U-profiled kind and consisting of steel wire. The hose clamp is double U-profiled and presents both ends U-profiled in order to engage a tension auxiliary spiral spring.

Abstract: This disclosure is directed to a fire hose clamp provided with a hand grip for firemen for use on a fire hose when fighting a fire to resist the back pressure acting on the hose and thereby provide for greater ease in directing the nozzle of the hose toward the fire. The fire hose clamp comprises a pair of complementary housing sections hingedly connected to a swing between a clamping and unclamping position, and which is provided with an anti-slip liner and a latching mechanism for rendering the clamp to be positively secured to the hose in a readily releasable manner and which the latching mechanism can be adjusted so as to adapt the clamp to fire hoses of varying diameters. Handles are provided on the clamp to provide a hand grip for firemen when fighting a fire. A support hook may be connected to the clamp to facilitate storage and/or to form a support for the hose and clamp as it is being pulled up a ladder when fighting a fire.

Abstract: A flexible clamp for hose, cable and the like in the form of a strip with opposite ends joined to produce a band. A portion of the strip is formed into parallel sections with at least one section having a corrugated shape and with another section having a variable length, non-corrugated, and conforming to the shape of the band, with this section having a plurality of overlapping tongues providing a substantially continuous portion of the band. In use, the corrugated section provides flexibility for the clamp permitting change of clamp circumference with temperature cycling and the like.

Abstract: Hose clamps are disclosed comprising a band, band section, or attachment to a band, which yields in a direction circumferentially of the band and which possesses a spring-like quality and/or action such that the clamp is essentially self-adjusting to compensate for thermal expansion and contraction of the assembly (clamp, hose and fitting), as well as for the aging or cold set which the hose undergoes, whereby a fluid-tight seal is maintained throughout the intended life of the assembly, without requiring the clamp to be re-tightened. The bands of the clamps are open-ended and of generally circular configuration and are provided with a tangentially located or oriented worm drive screw for closing the clamp and providing a greater and closer range of adjustment in closing the clamp. The clamps, in some cases, have incorporated therein a positive stop, whereby closure of the clamp can be limited to a specified or predetermined size or diameter.

Abstract: A fastening of the jubilee clip type in which the ends of the clamping strip are bent into pockets around filler pieces through which a tightening screw is threaded. To promote ready assembly and simple manufacture of such clips the holes and apertures in the filler pieces and clamping strip for the passage of the tightening screw are marginally formed by countersinking, chamfering, and flanging for quick positive engagement.

Abstract: A ring clamp has a pair of flexible sheet-metal strips formed into a ring with one end of each strip juxtaposed with the one end of the other strip, and the other end of each strip lying intermediate the ends of the other strips. The buckles are each formed of a pair of sheet-metal parts one of which has ends bent over and formed with channels into which fit similar channels of another latch part whose ends are in turn bent over the first part for locking-together of the entire buckle into a rigid unit without the use of welding or rivets. Furthermore each buckle has inwardly directed teeth that can bite into the object being clamped. When the ends of the clamp are drawn together to tighten it around an object the two buckles are tightly pressed against the object and prevent sliding of the two strips relative to each other.

Abstract: A sealing ring assembly for an electric meter including a pair of radially projecting spaced ears having aligned rivet holes through which an elongated rivet is received. The rivet, of substantially hard material, such as case-hardened steel, is held in position by a sleeve, fitted over the free end of the rivet, and a set screw in the sleeve radially bearing against the rivet, the set screw being a shear-headed type in which the head has been sheared off substantially flush with the radial exterior surface of the sleeve.

Abstract: A locking cover for the ends of an electric meter retaining ring comprising a housing for assembly over the ends. The housing has an internal bracket with apertures aligned with a side aperture in the housing and positioned to be aligned with apertures in the outturned ends of the retaining ring to receive a locking member.The internal bracket retains the housing in position on the meter ring and prevents axial movement of the locking member and is so positioned that the outer end of the locking member when assembled, is spaced at or inside of the outer surface of the housing wall. A collar is assembled into the side aperture and extends outwardly therefrom. The collar is provided with apertures to allow a seal to be assembled across the collar over the end of the locking member disposed therein so that the seal must be broken to remove the locking member, and will provide evidence of attempts to remove the locking cover.