Abstract: Curable rubber compositions and cured articles are based on the use of zinc activator compositions for the sulfur cure. Activator compositions contain zinc and a polymeric component having a plurality of COOH groups, at least some of which are neutralized with the zinc. With polymeric zinc activators, sulfur cure can be activated at levels of zinc below those used in conventional systems.

Abstract: For the purpose of manufacturing a package, an entirety is provided by means of injection molding, the entirety including a plastic tray (10) having an open side and a ring-shaped plastic cover rim (20) which is located at the open side of the tray (10), at a circumferential rim of the tray (10), and which surrounds that circumferential rim. The cover rim (20) is connected to the tray (10) by means of a relatively thin plastic film, wherein the cover rim (20) and the tray (10) are detached from each other by forcing a limited mutual movement of the cover rim (20) and the tray (10). Furthermore, a piece of cover foil (40) is provided and connected to at least the cover rim (20). Preferably, the cover rim (20) and the tray (10) are adapted to be capable of getting into engagement with each other by means of a snap connection after they do no longer form an integral entirety with each other.

Abstract: Provided are a floating brake disk assembling method and a floating brake disk, and a floating brake disk assembling device, wherein a washer or a spring member can be accurately attached to a coupling pin. In the floating disk brake assembling method, a coupling pin 32 for coupling a brake disk (10) to a hub disk (20), which has a cylindrical body portion (41) to be mounted in a coupling hole (31), a first jaw portion (42) formed in one end portion of the body portion (41), and a portion to be swaged (43A) continuous to the other end portion of the body portion (41), is used; and the portion to be swaged (43A) is swaged so that a second jaw portion (42) having a diameter larger than that of the body portion (41) can be formed.

Abstract: A method and apparatus for forming a quick connector with a lock connection. The quick connector includes a quick connector body and a mating component on of which having, in one aspect, an external spacing recess. The component has a step bore extending from a first end. A seal member is mounted on the step surface for sealing connection to a tubular component inserted through the quick connector body into the bore end component. Material is displaced from the component into the body or from the body into the component to mechanically lock and fluidically seal the body in the first component. In another aspect, one or more roll pins are inserted through aligned openings in the first component in the body. The roll pin expands to form an interference connection between the body and the component. In another aspect, a projection formed on one of a component in the body are used to projection weld the body to the component.

Abstract: An electrically conductive hose cutting clip has at least one end tab that is shaped to provide a cutting edge for penetration of the inner layer(s) of a multiple layer fluid conveyance hose when it is clipped onto a fluid connector and the hose is installed on the fluid connector by forcing it onto the connector. The cutting action by the cutting clip provides for a relatively low resistance electrical connection between an electrically conductive layer of the hose and the fluid connector. This can be used to provide a signal path from a sensing element on or in the hose to a system electronic component.

Abstract: A suction system includes a sucker having a working face and a dome spring attached to the sucker. The dome spring has a convex dome position and a concave dome position relative to the sucker and is configured such that, when the top of the dome spring is pushed inward past a critical moment, the dome spring reverses position without any further application of external force. The dome spring is attached to the sucker such that a change in position of the dome spring from the concave dome position to the convex dome position pushes the working face of the sucker in a direction away from the dome spring and a change in position of the dome spring from the convex dome position to the concave dome position allows the working face of the sucker to move in a direction towards the dome spring.

Abstract: A method for assembling a propshaft assembly. The method can include: providing a tubular member, the tubular member having an annular wall with an inside circumferential surface; twisting a damper; installing the twisted damper in the tubular member; untwisting the damper in the tubular member such that the damper engages the inside circumferential surface of the annular wall. A machine for assembling a propshaft assembly is also provided.

Abstract: The present invention includes: a casing having a bottom wall part and a pair of side wall parts extending upward from this bottom wall part; a rod-shaped lens provided above an LED substrate and along a longitudinal direction inside the casing; and a fixing mechanism for fixing the lens to the pair of side wall parts. The fixing mechanism includes: upwardly facing surfaces longitudinally extending along an inner surface of the side wall parts; downwardly facing surfaces longitudinally extending along side peripheral surfaces of the lens; a concave groove longitudinally extending above the upwardly facing surface on the inner surface of each of the side wall parts; and elastic bodies fitting into the concave grooves to be in contact with the side peripheral surfaces of the lens in a state that the downwardly facing surfaces are in contact with the upwardly facing surfaces.

Abstract: A system for securing moldings to associated roof ditches of a vehicle moving down an assembly line. The system comprises a plurality of rollers coupled to a plurality of lift booms. The lift booms include suitable means for raising and lowering the lift booms relative to an associated vehicle roof surface as well as means for permitting the lift boom to free float during at least a portion of an application cycle. The lift boom also has weights affixed to the lift boom proximate to the rollers with gravity producing force necessary to adhere the molding to the vehicle.

Abstract: A paneling element for lining the inside of a side wall of a rail vehicle has a plate-shaped base body and an angled strip element which extends substantially parallel to an end side of the base body and which is embodied in one piece with the base body. The base body and the strip element form a receptacle in which a connecting element can be accommodated. The paneling element can be connected to the inside of the side wall by way of the connecting element. As a result, the paneling element can be easily and cost-effectively attached in a secure fashion to the inside of the side wall of the rail vehicle.

Abstract: A Push To Connect (PTC) fitting cartridge for connecting to a pneumatic device, such as, an air brake or a height control valve, the PTC fitting cartridge including at least one protrusion positioned on an outer surface of the PTC fitting cartridge, which is provided to interact with an undercut positioned on an inner surface of a port. The undercut interacts with the protrusion to substantially eliminate stress on the surrounding material to reduce the chance of fraction thereof.

Abstract: A method for manufacturing a joint member, which includes a retaining portion formed by pressing a stainless steel pipe that is cut into a predetermined length, a joining portion having a spiral portion or a spiral groove, and an insert member made of synthetic resin and being pressed into the pipe so that a packing and a compression ring can be located in a proper position. The joint member using a pipe includes: a metal member having a retaining portion formed by pressing a stainless steel pipe cut into a predetermined length and a joining portion formed on the stainless steel pipe; and an insert member made of synthetic resin, the insert member being pressed to the retaining portion and mounted on the inner circumference of the metal member to locate joint means in a proper position.

Abstract: A pressure release device for a protective housing for flameproof enclosure of electrical operating means. The device includes an accommodating body (18) having a passage (22), and a porous body (24) arranged in the passage (22). The porous body (24) is elastically deformed by means of an interference fit in the passage (22), and thus, reliably supported therein free of flame or spark exiting gaps.

Abstract: A method of masking a component includes installing a flexible gasket over a portion of a component masking area leaving an unmasked area exposed. A backer is installed over the flexible gasket to compress the flexible gasket between the backer and the portion. The flexible gasket and the backer are secured to the component to provide an assembly. The assembly is deposited into a slurry with an abrasive media to polish the unmasked area, in one example. The flexible gasket and backer prevent abrasive media from reaching the masked area. The flexible gasket and backer can be removed from the component and reused on other similarly shaped components.

Abstract: A septum for sealably covering a fluid cavity defined in an implantable device, which may be an access port, and methods for assembling the implantable device. The septum may include a resilient septum body, an annular flange extending radially outward from the septum body, and a reinforcement component disposed in the annular flange for reinforcing engagement with a corresponding annular groove defined in a body of the implantable device. The reinforcement component may inhibit unintended detachment of the septum from the implantable device.

Abstract: A structure to connect a refrigerant pipe and an air conditioner having the same, the connecting structure enabling a refrigerant pipe to be easily connected to an indoor unit or an outdoor unit of an air conditioner and including a refrigerant pipe through which refrigerant flows, a socket part connected to one end of the refrigerant pipe, and a coupling nut coupled to an outer circumferential surface of the socket part, wherein, a socket part is provided with a grip-ring allowing the refrigerant pipe to move in a first direction in which the refrigerant pipe is coupled to the socket part and preventing the refrigerant pipe from moving in a second direction in which the refrigerant pipe is separated from the socket part, and at least one O-ring configured to prevent refrigerant from leaking at the socket part.

Abstract: An elastic tubular attachment assembly for mating components is provided. The elastic tubular attachment assembly includes a first component having a first surface. Also included is a second component having a second surface, a third surface, and at least one aperture, wherein the second surface is configured to align and engage with the first surface of the first component. Further included is at least one elastically deformable tubular member operatively coupled to the first component proximate the first surface, the at least one elastically deformable tubular member comprising an outer surface, wherein the at least one elastically deformable tubular member is formed of an elastically deformable material and configured to elastically deform radially inwardly upon contact with at least one aperture wall of the second component.

Abstract: An auxetic locking structure can be used as a mechanism for securing two or more members in an assembly or other system. The locking structure has void patterns on its exterior surface which permit the locking structure to reduce its outer diameter upon loading in an axial direction. Once the structure has been sufficiently loaded and the diameter has been sufficiently reduced, the locking structure may be positioned within a bore of an article, the axial load is then reduced, thus causing the locking structure to expand and engage the bore of the article. The locking structure and article are now secured to one another creating an improved assembly.

Abstract: A method for assembling a propshaft assembly. The method can include: providing a tubular member, the tubular member having an annular wall with an inside circumferential surface; pushing a first ram through the tubular member; loading a damper between the first ram and a second ram; twisting the damper between the first and second rams; moving the first and second rams to translate the twisted damper into the tubular member; untwisting the damper in the tubular member; and withdrawing the first and second rams from the tubular member. A machine for assembling a propshaft assembly is also provided.

Abstract: The present invention relates to a turbine assembly with a basically hollow aerofoil, having at least a cavity with an inner wall and having at least an aperture providing access to the cavity, and at least a first impingement device arrangeable within the cavity. The at least first impingement device is self-locking, resilient and preloadable and has at least one locking element to lock the at least first impingement device in place in the cavity via a force fit between the at least one locking element and the inner wall of the cavity wherein the locking element of the at least first impingement device is embodied as a protrusion extending in an assembled state of the at least first impingement device in the cavity basically perpendicular to a surface of a side wall of the at least first impingement device in a direction towards the inner wall.

Abstract: A joint housing of a ball joint comprises a sheet-metal part for accommodating a ball head, which is substantially rotationally symmetrical with respect to a joint axis and includes a circumferential wall portion, wherein the circumferential wall portion includes a housing opening at an axial end, through which a joint pin can extend, wherein the sheet-metal part is formed with two layers at this axial end of the circumferential wall portion.

Abstract: A method for assembling a synchronizer by using a jig, the synchronizer including a synchronizer hub, at least one of recesses formed radially at an external circumference of the synchronizer hub, a synchronizer key disposed in the recess, a synchronizer sleeve enclosing the exterior circumference of the synchronizer hub and axially movably engaged to the synchronizer hub, and a spring disposed between the synchronizer hub and the synchronizer key, may include locating the synchronizer key and the spring in the recess of the synchronizer hub, engaging the jig to the synchronizer hub by inserting a rear portion of the jig in the recess axially, engaging the synchronizer sleeve to the synchronizer hub, and removing the jig from the synchronizer hub.

Abstract: A locator assembly and associated fastening assembly are described herein. The locator assembly may include a post locator and a receiver locator that combine to provide precision locating and attachment functions.

Abstract: An apparatus includes a shaft having a first end comprising a beveled surface. A second end of the shaft includes a gripping member. The apparatus additionally includes a channel formed on the beveled surface, wherein the channel comprises an opening, and wherein the opening traverses the beveled surface at a constant vertical position relative to an angle of the beveled surface.

Abstract: Weatherstrips (13, 15) having opposed pile sealing elements (226) are installed in opposed slots in a frame member (14) so that the piles may engage opposite sides of a panel, shutter or screen (203), by insertion apparatus having laterally-movable slotted guides (60, 62). The weatherstrips are driven through the slots in the guides by a drive wheel (42). A laterally reciprocating cutter (48) has openings (107, 109), through which the weatherstrips are driven, and shearing edges (98) for cutting ends of the weatherstrips to facilitate entry of the weatherstrips from the slots in the guide into the slots in the frame member. Metering wheel (44) engages at least one of the weatherstrips moving through the guides, and provides for actuation of the cutter, when the desired length of the weatherstrips is driven through the guides; the length corresponding to the length of the frame member which receives the weatherstrips.

Abstract: An attachment mechanism, method of manufacture and method of use are described for releasably attaching a first component and a second component of an orthopaedic apparatus. The attachment mechanism comprises a boss extending from a surface of the first component, and having a free end and a side wall. A retaining mechanism is provided in the second component. The retaining mechanism comprises a plurality of walls defining an aperture in the second component to receive the boss therein. At least part of one of the plurality of walls is a resiliency flexible member engineered to apply sufficient force to a part of the side wall of the boss when inserted in the aperture to provide an interference fit between the boss and the plurality of walls of the aperture to releasably retain the boss within the aperture.

Abstract: A waterproofing device is provided for a mobile apparatus, using a thin coaxial cable or an optical cable and capable of being applied to a portable telephone of a bi-directionally openable/closable type. The waterproofing device is adapted to connect housings to each other by a linear member. The waterproofing device is provided with seal members consisting of a rubber-like elastic material and sealing a gap between the housings, and also with a connecting member having opposite ends in the vicinities of which the seal members are integrated. The linear member is passed through the inside of the connecting member to electrically interconnect electronic parts of the housings. The connecting member has a circular tube-like shape consisting of a soft resin material.

Abstract: The invention relates to a method for inserting a spring (3) into a longitudinal-side or head-side groove (4) of element panels (5) which can be laid in combination, wherein the element panels (5) can be locked together by means of a movement of the spring (3) relative to the element panels (5), having the following steps: a) providing springs (3) on a supply belt (6), wherein the springs (3) are releasably connected to the supply belt (6); b) detaching the springs (3) from the supply belt (6); c) moving the springs (3) into the groove (4) of a provided element panel (5).

Abstract: Methods, gaskets, and couplings for connecting two pipes are disclosed. One embodiment of the method includes the steps of placing the assembled coupling over one end of a pipe, aligning the second pipe with the first pipe, sliding the coupling off the end of the first pipe so that a portion of the coupling is around each pipe, and securing the coupling.

Abstract: A blade root spring insertion jig and a blade root spring insertion method are provided for inserting a blade root spring into a gap between a bottom face of a blade groove formed in a rotor disk of a rotary machine and a blade root part of a blade which engages with the blade groove. The blade root spring has a blade contact face contacting the blade root part and a rotor contact face contacting the bottom face of the blade groove. The blade root spring insertion jig is provided with a first abutment face contacting a blade contact face side of the blade root spring and a second abutment face opposing the first abutment face and contacting a rotor contact face side of the blade root spring, and is configured so that the first abutment face and the second abutment face press the blade root spring so that the blade root spring is compressed to a height smaller than a natural height of the blade root spring.

Abstract: An anti-siphon installation assembly includes a spring, a retainer clip mounted on the spring, the retainer clip including a support surface adapted to support an anti-siphon device thereon, and a locator clip mounted on the spring, the locator clip including an outwardly extending arm adapted to contact the upper surface of a fuel filler neck opening.

Abstract: A method of making a sterile connection comprises mating a first fitting having an aperture and a second fitting having an aperture, removing first and second strip out layers from between the end surfaces of sealed first and second resilient sealing members, and contacting the end surfaces of the resilient sealing members to provide fluid communication between the aperture of the first fitting and the aperture of the second fitting. A connector assembly comprises first and second fittings, a stem mounted for axial movement through the first fitting into the second fitting, and a deformable locking device which selectively prevents axial movement of the stem in the first fitting.

Abstract: The present invention includes: a casing having a bottom wall part and a pair of side wall parts extending upward from this bottom wall part; a rod-shaped lens provided above an LED substrate and along a longitudinal direction inside the casing; and a fixing mechanism for fixing the lens to the pair of side wall parts. The fixing mechanism includes: upwardly facing surfaces longitudinally extending along an inner surface of the side wall parts; downwardly facing surfaces longitudinally extending along side peripheral surfaces of the lens; a concave groove longitudinally extending above the upwardly facing surface on the inner surface of each of the side wall parts; and elastic bodies fitting into the concave grooves to be in contact with the side peripheral surfaces of the lens in a state that the downwardly facing surfaces are in contact with the upwardly facing surfaces.

Abstract: A collar for surrounding the stem portion of a cut flower or flowers for supporting the flower(s) generally vertically in an open top vase comprises a generally planar piece of foam sponge material whose shape corresponds to that of the cross-section of a vase just below its open top. An aperture is formed through the thickness of the foam sponge material and a slit is formed vertically through the material that extends from a perimeter edge thereof to the aperture so that flower stem(s) can enter the aperture via the slit. When the collar is inserted into the vase and allowed to self-expand against the vase interior, the blooms are held upright in a central location in the vase.

Abstract: A method of forming a sprocket comprising forming a sprocket member having a tooth profile, forming grooves in the sprocket member base, installing a plurality of sprocket members in a mandrel thereby forming a build, applying an elastomer member between adjacent sprocket members, wrapping a tensile member about the sprocket members and elastomer members, curing the build, removing the build from the mandrel, and inverting the build and joining the build to a rigid core.

Abstract: A method of use of a conduit coupling system, sealing device, and bell are disclosed herein. The method comprises positioning a sealing device inside a bell coupled to one end of a first conduit, inserting a spigot of a second conduit through the sealing device inside the bell, wherein the sealing device is adapted to move axially within the bell in the direction of the insertion of the spigot and in a radial direction from a centerline of the conduit, and partially removing the spigot from the bell, wherein a segment of the sealing device engages the outer surface of the spigot end as the spigot end is partially removed from the bell. The bell comprises a first end and a second end, the first end coupled to the first conduit. The bell has a concave annular inner surface and a diameter of the annular inner surface adjacent to the first end of the bell is greater than a diameter of the annular inner surface adjacent to the second end of the bell.

Abstract: An improved system for inserting blind attachments has an entry point and an exit point for a seal. The seal enters by way of the entry point and continues its guided course by being moved by a pair of servo pullers. A linear drive servo drill makes a first hole into the seal and, as the seal is moved by the servo pullers, the first hole is in position to have a blind attachment inserted therethrough byway of an insertion tool. At the same time that the blind attachment is inserted, a second hole is made in the seal by having the servo drill moved at the appropriate location.

Abstract: A conduit coupling system, sealing device, bell and method of use are disclosed herein. The system comprises at least two piping components, and a sealing device. A first component has a bell and a second component has a spigot, the spigot is adapted to mate with the bell. The bell comprises a first end and a second end, the first end coupled to the first component. The bell has a concave annular inner surface and a diameter of the annular inner surface adjacent to the first end of the bell is greater than a diameter of the annular inner surface adjacent to the second end of the bell. The sealing device comprises a locking segment comprising a convex outer surface and a K-type gasket coupled to a locking segment or a non-restraining anti-extrusion segment. The sealing device is adapted to fit between the bell and the spigot.

Abstract: A low cost and simple seal installation method provides for easy installation of bonded pistons and lip seals in an automatic transmission or other industrial machine. The installation method utilizes a flexible circular disc that can be inserted in a gap between the bore and the shaft and is pressed against the seal lip to flip the seal lip to its desired orientation while the disc is rolled around the circumference of the gap to orientate the entire seal in its proper position.

Abstract: A belling machine (1) forms end sockets equipped with an integrated seal on pipes (3) made of thermoplastic material using a forming mandrel (4) on which an annular seal (5) was previously placed, diametrically expanded, coaxially and in a predetermined position. A loader (8) for loading the annular seal (5) on the mandrel (4) is able to move between a arming position, in which the loader is spaced from the belling axis (b) and does not interfere with the mandrel (4) movement along the belling axis (b), and a loading position, in which the loader is coaxial with the belling axis (b) and is located between the mandrel (4) back position, disengaged from the pipe (3) and the mandrel (4) forward position, inserted in the end (30) of the pipe (3). An annular seal (5) is placed in a positioner (10) which holds it in an operating position for the action of an arming device (9).

Abstract: A gasket for preventing separation of interconnected pipes without damaging the pipes. The gasket includes a compressible body having a plurality of metal segments partially embedded therein. Each of the metal segments includes a row of exposed teeth configured for engaging a spigot end of a pipe and a trough configured for pivotably engaging a bead on a bell. The trough is further configured for shearing or deforming the bead and inhibiting over-pivoting of the segment about the bead when the pipes are partially withdrawn away from one another, for example, during over-pressurization of the pipes.

Abstract: A hollow component is adjusted in shape, for example to correct circularity, by means of a shape adjusting tool. The tool comprises a base structure on which adjuster elements are guided. An adjustment ring has a ramp surface corresponding to each adjuster element so that rotation of the adjustment ring causes radial displacement of the adjuster elements 6. The adjuster elements are displaced in unison, and engage the internal surface of the component to be adjusted so as to deform the component to the desired shape. The segments are interconnected by rigid links and a single flexible link, and are supported on bearing rollers mounted on the base structure.

Abstract: A method for attaching a removable, washout vent insert to a CPAP mask, the CPAP mask comprised of a rigid plastics shell having an inlet tube, the rigid plastics shell having an opening bounded by a rim, the vent insert being made of a material more flexible than the rigid plastic shell, the vent insert having a plurality of orifices, the vent insert, in a cross-sectional view, having a recess located at its periphery, includes: squeezing the vent insert along its longitudinal axis; aligning the vent insert so it is oriented to match the shape of the opening; inserting the vent insert into the opening; and releasing the vent insert once it is within the opening, the vent insert resiliently expanding to engage the rim of the opening.

Abstract: A rotary elastic coupling is fitted with an inner ring and with an outer ring surrounding the inner ring around the periphery by forming an annular slit. An elastomer is provided in the annular slit, which is vulcanized or glued to the inner ring and to the outer ring and fills up the annular slit substantially or completely. The annular slit is meander-shaped around the periphery of the coupling so that radially outward protrusions of the inner ring undercut radially inward protrusions of the outer ring. Around the periphery of the coupling, a relief opening is provided in the elastomer on both sides of the protrusions of the inner ring and on both sides of the protrusions of the outer ring.

Abstract: A method of installing a snap ring, having opposed inner and outer diameters, onto an O-ring located in an annular groove of an anvil of an impact wrench includes providing a deformable base formed with an annular seat, seating the snap ring in into the annular seat, and applying the anvil of the impact wrench through the snap ring and into the deformable base applying the snap ring over the anvil and onto the O-ring located in the groove, wherein the anvil interacts with the snap ring in response to applying the anvil into and through the snap ring enlarging inner and outer diameters of the snap ring deforming the annular seat of the base allowing the snap ring to be received over the anvil and onto the O-ring located in the annular groove.

Abstract: HVAC ductwork is sealed along its joints in order to reduce air leakage. The ductwork can be sealed by the combination of a gasket and mechanical locking mechanism. Transverse mechanical locking joints are provided.

Abstract: A simple flexible coiled tubing connector couples the ends of two separate sections of tubing so that mutual axial tensile forces can be transferred between the two sections. The tubing connector is intended for use with tubing which may be coiled on a storage reel and freely run through a coiled tubing straightener or tensioning device. The tubing connector is not required to contain pressure, transfer compressive axial loads, torsion, or loads transverse to the axes of the tubes.

Abstract: An inhalator (1) comprising a housing with at least a first compartment (30) and a second compartment (40), and including one or more substances, said second compartment (40) including at least one air entry port (50), said inhalator (1) having a first end (21) proximal to said first compartment (30) and a second end (22) proximal to said second compartment (40), an halation part (27) being at said second end (22), said first compartment (30) being for storing at least one substance and including in an inoperative state of said inhalator (1) a plurality of sealing bodies (60) arranged in a neighboring relationship, each pair of neighboring bodies (60) defining at least in part a sealed chamber (62) for containing a substance, said bodies (60) being movable together with said at least one substance from said first compartment (30) into said second compartment (40) to define an operative state of said inhalator (1) wherein said one or more substances are contained in said second compartment (40), whereby air en

Abstract: A method of covering an opening through an exposed upwardly facing surface that defines an access opening to a conduit assembly defining a communication passage to a below surface location. The method includes the steps of: providing a cover assembly with a non-metallic component; and operatively joining the cover assembly with the conduit assembly so that the non-metallic component is placed against a metal component on the conduit assembly and transmits weight forces applied to at least one of: a) the exposed upwardly facing surface; and b) a surface defined by a cover component on the cover assembly that blocks the access opening and is substantially flush with the exposed upwardly facing surface, to the metal component on the conduit assembly.

Abstract: Process for industrially filling differently structured cavities in building blocks with moldings, having the following features: a) the moldings are cut in the form of differently configured mineral-wool pads (1, 2) from mineral-wool boards supplied, b) the mineral-wool pads (1, 2) are then distributed in layers on at least two levels, c) the mineral-wool pads (1, 2) distributed in this way are respectively separated, arranged in rows and moved into a vertical position in order to be transported further, d) the vertically positioned mineral-wool pads (1, 2) are pushed off laterally in layers and distributed on at least two levels in a supply unit (A 170), wherein, for example, one level has large mineral-wool pads (1) and the other level has small mineral-wool pads (2) and the levels are arranged in accordance with the construction of the cavities of the building block; e) in a further position of the distributing unit (A 180), the mineral-wool pads (1, 2) are pushed into sheet-metal channels, moved up to th