摘要:
A collapsible container with four side panels (15, 16, 17, 18) all at least semi-permanently connected to a base (10) by links (11, 41) allowing the panels (15, 16, 17, 18) to be moved between an upstanding condition on the base (1) where they are retained by engagement of bottom panel flanges (40) with channels (13, 14) on the base (10) and can be coupled by coupling means (19, 23) releasably secured by securing means (21, 22) to a collapsed condition by folding down the pannels (15, 16, 17, 18) into an overlying relationship. The link means (figs. 4-6) allowing the panels to move normally to their plane to disengage the flanges with the channels and then to pivot inwards to a horizontal position.
摘要:
A method facilitating the production of an identification plate comprising a rigid backing plate having a peripheral upstanding rim bounding a flat area to receive a carrier sheet, one surface of which is printed with indicia and the other surface of which has a contact adhesive. In the method an edge of the carrier sheet is aligned in registration with the plate and the adhesive surface at said edge contacted therewith; the sheet then being progressively pressed into contact with the plate over the flat area using a pressure roller. The pressure roller has a recess, channel or depression to receive the upstanding rim. The apparatus used includes a housing (10) mounted on a base (11) which has an elongate extension platform (12). The housing contains a roller (13) turned by means of a motor and drive unit (14). The roller has a surface formed by a layer of rubber material (15) which includes a transverse recess or slot (16). A carrier (17) has a central area (18) which is adapted to receive the plate (2) with accurate positioning defined by side pieces (19) and end stop (20). The carrier may move into the housing (10) and thus beneath the roller (13). Using automatic or manual indexing means the end rim (2a) of the plate (1) which is closest to the roller (13) is located so that the rim is engaged by the recess (16) in the surface (15) after which the carrier and plate move through the housing beneath the roller so that the sheet (4) is pressed firmly into contact with the plate.
摘要:
A collapsible container (1) having a four sided base (2) and two oppositely disposed side panels (3, 5) and two oppositely disposed end panels (4, 6) all coupled to the base in a manner allowing the panels to be folded down over each other and the base (2). The side panels (3, 5) have lining sheets (13) with marginal end zones (18) upstanding from the main planar part of the lining sheets (13). The spacing between corresponding raised zones (18) of the side panels (3, 5) when upstanding from the base (2) at opposite sides of the base (2) is substantially equal to the length of the end panels (4, 6) between the ends of the end panels. This allows end panels (4, 6) to fold up or down without hindrance from possible bulging of side panel linings (13).
摘要:
A container (1) including a four sided base (2) having a trough (8) extending part way across the base upper face, a nozzle support (16) at the mouth of the trough (8) to support a linear bag nozzle (18) in said trough mouth with a liquid discharging bore portion of said nozzle below the level of said upper face of said base, four container side panels (9, 10, 11) for erection at the four sides of the base with one of the side panels (11) a nozzle panel. A nozzle aperture (24) in said nozzle panel (11) positioned so as to be aligned with the trough mouth when the nozzle panel (11) is erected on the base, and releasable nozzle retainer means (25, 26) on the nozzle panel.
摘要:
A bed sheet 30 is formed from two superposed layers of plastics material joined by welding along side margins 31 and 32 and at each end 31a and 32a. This then forms a sealed chamber. The sides 31 and 32 may include spaced pads or eyelets 33 for securing straps. The central part of the sheet 30 has a matrix of circular weld zones 34 which join together opposed portions of each side of the sheet with the spaces between the welds forming air-filled passageways. A characteristic is the wide spacing between each weld zone and the relative flatness of the air filled capsules thus formed. The capsules may be air-filled and sealed but in a preferred version each capsule is connected to an adjacent neighbour by an integral air duct thus permitting air to flow and pressure to equalise between the capsules when subject to compression. For storage the capsules may be deflated and inflated as required for use through an air inlet valve 35.
摘要:
The horseshoe crab, Carcinoscropius rotundicauda Factor C cDNA (CrFC21) has been cloned into a shuttle baculoviral vector. The recombinant baculoviral DNA was then transfected into the insect cells for expression of recombinant Factor C. Recombinant Factor C was found to be immunoreactive and is capable of binding both free and bound/immobilized lipid A. It is enzymatically active when triggered by LPS. The rFC is probably of the two-chain form, being cleaved into the heavy and light chains after activation by Gram negative bacterial endotoxin. As low as 0.01 pg (0.001 ng/ml) of LPS was detectable by the rFC, thus, indicating its potentials as a novel generation of 'limulus amoebocyte lysate'.
摘要:
A ground water drainage network is formed from interlocked strips (10) reinforced with high tensile fibre bundles (12) embedded in the strip. The centre of the strip has a plurality of channels (111) and a drainage filter sheet (13) is connected and covers the top of the strip. The arrangement provides an efficient means for rain water and underground water to be drained from a construction site to increase ground stability and prevent earth movements.
摘要:
A composite laminate material for making up into marine garments such as et or dry-suits comprises a waterproof layer of NeopreneTM and outer abrasion resistant layer containing KevlarTM and LycraTM and an inner layer of polyester or nylon fabric. The layers are adhesive bonded together. The abrasion resiant layer may comprise 25 % KevlarTM; 5 % LycraTM and 70 % polyamide. The material is particularly robust for use in aggressive environments such as caving.
摘要:
To avoid surface defects during the production of injection moulded plastic products, the surface temperature of the metallic mould is raised above the injection transfer temperature of the plastic resin when the resin is non-crystalline or above the fusion point temperature if the resin is crystalline, using a temperature increase rate greater than 2° C per second. This temperature is maintained during the resin charging period followed by cooling at a decreasing rate greater than 2° C per second after the completion of charging. The temperature control is conducted using a feed back control with a detector for determining the surface temperature of the metallic mould and mounted close to the surface of the metallic mould.
摘要:
To assess the adequacy of a cathodically protected underground pipeline (1) and with consideration for AC corrosion, a steel probe (2) and a copper sulphate reference electrode (3) are installed near the pipeline at depth. The steel probe (2) is electrically connected to the pipeline and the measurements of AC probe currents flowing between a steel probe (2) and a pipeline (1) are carried out simultaneously together with those of on- and off-potentials, and DC probe currents.