摘要:
A device for withdrawing and carrying away a moulding of thermoformed objects (2) from a thermoforming single-station apparatus or press having a support frame (6), a feeder of sheet or tape material as well as a female die (9) and a counterdie (10) which are movably arranged one with respect to the other between a closed position in which the sheet or tape material fed by the feeder is thermoformed and an opened position in which the female die (9) and the counterdie (10) are mutually spaced apart one with respect to the other, the said plate device comprising driving means designed to move it along a straight path between a withdrawing position of the objects from the female die (9), while the latter is in its opened position and an object releasing position away from the die and guide means (1) in the press arranged to engage and guide it at least along a lenght of the straight path thereof between the withdrawing and the releasing position, thereby preventing vibrations from being imparted to the plate during or immediately after withdrawal of the objects (2).
摘要:
A seat of saddle structure for bicycle with anti-wear protection comprising a shaped frame (2) of substantially rigid pre-formed material provided with means for connection to a bicycle frame, a padding (5) anchored to the upper surface (4) of the shell and a covering layer (6) placed on the upper side of the padding and fixed to the lower edge (7) of the shell (2). There is provided at least an anti-wear layer of elastically yielding material (9, 9') protruding from the lateral surface of the covering layer (6) so as to avoid direct contact of the seat with abrasive external surfaces. A pair of anti-wear layers (9, 9') protruding from the lateral surface of the seat, are placed in substantially symmetric positions with respect to the longitudinal axis (L) of the same, in the zone of maximum transversal section of the seat.
摘要:
A line for the semiautomatic feeding of industrial hides, particularly for setting-out/drying machines and vacuum driers, includes a loading/unloading device (5, 5') that lies between the unloading section of the setting-out/drying machine (2) and the drying tables (3') of the vacuum drier (3); the device (5, 5') can be actuated on command after spreading the hides (P, P') on each table of the vacuum drier. The loading/unloading device (5, 5') has at least one movable surface (8, 8') and has a translatory direction (V) that lies substantially at right angles to the main dimension of the tables (8) of the vacuum drier (3). The loading/unloading device (5, 5') is of the type with a movable conveyor belt (6) with an unloading end (7) that can be superimposed on the tables of the vacuum drier (3). It is possible to provide a conveyor belt (12) that is interposed between the vacuum drier (3) and an optional percher (4) that is aligned with it.
摘要:
A method and apparatus for the continuous sterilization of unpackaged biological liquids, particularly milk and its by-products, containing bacterial and sporal loads, includes the steps of: a) gradually preheating the liquid with conventional heating methods to a temperature between 90 DEG and 140 DEG C; b) irradiating the product with an electromagnetic RF field with a frequency of less than 1 GHz, so as to very quickly superheat the product to a temperature between 145 and 165 DEG C and with a thermal gradient between approximately 0.1 DEG C/s and 10 DEG C/s; c) cooling the liquid to a temperature of approximately 15 DEG C before packaging the product.
摘要:
Disclosed is an operational amplifier (200) having a positive input terminal (216), a negative input terminal (215), an output terminal (212), a positive power supply input and a negative power supply input. The operational amplifier (200) includes a transistor input pair being coupled to the positive input terminal (216) and the negative input terminal (215). A first charge pump (206) being coupled to positive supply circuitry contained within the operational amplifier (200). The first charge pump (206) being configured to operate the positive supply circuitry contained within the operational amplifier (200) at an enhanced positive power supply. The operational amplifier (200) further includes a second charge pump (204) being coupled to negative supply circuitry contained within the operational amplifier (200). The second charge pump (204) being configured to operate the negative circuitry contained within the operational amplifier (200) at an enhanced negative power supply. Accordingly, the transistor output pair provides an essentially full rail-to-rail output.
摘要:
A safety electric switch, comprising a casing (2,3,4) with at least two slots (18, 19) for the insertion of a key actuator (20) of pre-defined shape, at least one pair of electric contacts (5,5', 6,6',7,7',8,8') disposed in the casing (3) and displaceable between a closed and an open position, a cam (15) mounted inside the casing (4) and operatively connected to the contacts to promote their movement and commutation, the cam being rotatable around a first axis (H) by insertion of the actuator in the casing, blocking means (22) adapted to prevent rotation of the cam (15) and the consequent displacement of the contacts, elastic means (23) acting on the blocking means (22) to maintain them in a cam blocking position when the actuator is disinserted from the casing. The blocking means (22) comprise at least one lever element (24,24') pivoted about a second axis (K) distal from the first axis (H) and positioned so as to act on one side face of the cam (15). The second pivot axis (K) is substantially parallel to the cam pivot axis (H).
摘要:
An orthopaedic device for the gradual correction of angular and longitudinal defects of elongated bones, comprising at least one first clamp (3) for a first group of screws insertable in a proximal portion of a bone, and at least one second clamp (5; 40) for a second group of screws insertable in a distal portion of the bone, a longitudinal guide bar (2) positioned externally of the limb to be corrected for slidably supporting said clamps (3; 5; 40); at least one of the clamps is selectively orientatable about a substantially transverse axis for carrying out angular corrections of the bone. There are provided compression/distraction means movably coupleable with said clamps for carrying out longitudinal corrections of the bone. The orientatable clamp (3) has angular adjustment means (14) in a predetermined geometric plane, as well as transverse adjustment means (22) for the group of bone screws (4) carried by said clamp parallel to themselves for compensating the lateral movement induced by the angular correction.
摘要:
Waterproofing membrane comprising a core and three different layers of waterproofing material applied to the core in three separate successive stages and process for its manufacture.