摘要:
A method and apparatus for high speed pouch or bag making from thin, heat-sensitive thermoplastic film webs or multiply webs of paper, film and foil in which the seal pattern may be simple or complex sealing and in which the method is applied to a continuously moving web and sealing is achieved at temperatures below the softening temperatures of the film or the sealing interfaces. A method of forming an open pouch comprising the steps of continuously driving an elongated web of pouch forming material at a constant speed along a pouch making path which extends continuously through a web coating station, a web collating station, an E.B. curing station and a web cutting station. A pattern of a coating is applied to a first surface of a first continuous web of pouch forming material as it is driven continuously through the web coating station to render the interface bondable at a seal line and non-bondable in the area of the storage compartment when subjected to electron beam radiation. A second web is directed into a face-to-face relationship with the first web in the collating station and the collated webs are driven through the E.B. curing station and irradiated with E.B. radiation to bond the bondable areas of the web at the interface while leaving the non-bondable areas free from securement and the pouches are cut from the webs by severing along transverse cut lines.
摘要:
A machine for stacking and bundling flexible sheets, such as the signatures that are delivered from a printed press, includes a succession of aligned conveyors. The sheets are deposited on the first conveyor where they accumulate in a generally horizontal disposition, one on top of the other, and the first conveyor withdraws sheets from the bottom of this pile and conveys them to a gate in a shingled condition. At the gate, which is narrower in width than the sheets, the sheets bow forwardly and rise upwardly at their leading edges until they stand on edge. It is in this condition that the sheets pass onto a second conveyor which moves them through another gate that is narrower than the first gate, so that the degree of bowing increases. The second conveyor moves slower than the first conveyor and as a result the flexible sheets consolidate in the upright condition on the second conveyor. Upon emerging from the second gate, the sheets pass between side conveyors which are closer together than the width of the sheets, and these conveyors also extend along a third conveyor. After a predetermined number of sheets have passed onto the third conveyor, that conveyor speeds up momentarily to produce a gap in the sheets, thereby separating the sheets ahead of the gap into a bundle which is forced onto a final conveyor. Boards are placed at the ends of the bundle, and the bundle is compressed and bound while in the compressed condition.
摘要:
A process for avoiding compaction and permeability reduction in carbonate formations when fluids are injected into such formations in a manner to produce hydrocarbons from such formations. The process involves controlling the pH and the state of mineral saturation of the injection fluids.
摘要:
A tapping accessory for use with the chuck of a rotary-operated machine such as a drill press or lathe in which a tap tool is detachably secured to one end of a body, and a first guide element is on the other end of the body. A second guide element is telescopically related and rotatively mounted to the first guide element on a longitudinal axis and is adapted to be gripped in the chuck of the rotary-operated machine. A handle is detachably secured to the body between the tap-connecting assembly and the guide elements for turning the body and tap tool manually about the axis of the guide elements. More particularly, the first and second guide elements are at the same side of the handle, while the tap-connecting assembly is at the opposite side of the handle. In one embodiment, the first guide element is a socket in the said other end of the body, while the second guide element is a spindle slidably and rotatively received in the socket. The handle is located in a transverse bore at the bottom of the socket, the spindle engaging the handle to determine the retracted position of the spindle in the socket. More particularly, in the one embodiment, the handle extends through either of a pair of transverse bores so that when located in one transverse bore located between the socket and the tap-connecting assembly, the device is adapted for turning the tap tool about the axis of the spindle and socket, and when located in the other transverse bore located through the socket adjacent the said other body end, the device is adapted for use as a manual tap wrench.
摘要:
A technique for use in security screening and detection contexts employs an X-ray explosive imager that acquires images from backscattered RF modulated X-ray signals on which a time series analysis is performed to detect image change across the time series of images that represent pixels changing at the rate of the difference frequency of the RF frequency and the a priori NQR signature frequencies.
摘要:
A plasma antenna generator includes an ionizable material, an explosive charge capable of projecting the ionizable material upon detonation, and a detonator coupled with the explosive charge. An electromagnetic pulse transmitting system includes an electromagnetic pulse generator and a plasma antenna generator capable of reradiating an electromagnetic pulse emitted from the electromagnetic pulse generator. A method includes providing an explosive device comprising an ionizable material, detonating the explosive device to propel the ionizable material, and ionizing the ionizable material to form at least one plasma trail. A sensing system includes an electromagnetic pulse generator, a plasma antenna generator capable of reradiating an electromagnetic pulse emitted from the electromagnetic pulse generator, and a sensing system capable of receiving and analyzing at least a portion of the electromagnetic pulse after being reflected from an interface.
摘要:
An electromagnetic impulse transmission system includes a plasma antenna generator, an electromagnetic impulse generator electrically coupled with the plasma antenna generator, and a ground plane structure operably associated with the plasma antenna generator. An electromagnetic impulse transmission system includes a plasma antenna, an electromagnetic impulse generator electrically coupled with the plasma antenna, and a ground plane operably associated with the plasma antenna. A method includes the steps of providing a plasma antenna generator, an electromagnetic impulse generator, and a ground plane structure; generating a plasma antenna with the plasma antenna generator; and transmitting an electromagnetic impulse from the electromagnetic impulse generator to the plasma antenna. The method further includes radiating the electromagnetic impulse from the plasma antenna such that at least a portion of the electromagnetic impulse is reflected by the ground plane structure.
摘要:
A cigarette and cigar holder and preserver comprises a tubular portion made of a material with high thermal conductivity such as copper or other appropriate metal with at least one end closed to contain a cigarette or cigar therein. The diameter of the tubular portion is selected to easily contain the cigarette or cigar within while easily allowing the cigarette or cigar to be removed for later use. Another end cap is provided to prevent the cigarette or cigar from accidentally falling out. In one embodiment, an eyehook is provided for attachment to a key chain. Another embodiment includes a clip for use in a pocket.
摘要:
A method and apparatus for high speed pouch or bag making from thin, extensible heat-sensitive thermoplastic film webs in which the method is applied to a continuously moving web and sealing is achieved at temperatures below the softening temperatures of the film or sealing interfaces. The method of forming an open pouch comprising the steps of continuously pulling an elongated web of pouch forming material at a constant speed along a pouch making path which extends continuously through a web slitting station, a web coating station, a web collating station, an Electron Beam curing station and a web cutting station. An elongated web is slit into first and second webs at the slitting station, a pattern of E.B. curable adhesive is applied to a first surface of the first web as it is pulled continuously through the web coating station to render the first surface bondable at a seal pattern and non-bondable in the area of the storage compartment when subjected to Electron Beam radiation. The second web is directed into a face-to-face relationship with the first surface of the first web in the collating station, the collated webs are pulled through the E.B. curing station and irradiated with E.B. radiation to bond without heat distortion the bondable areas of the webs while leaving the non-bondable areas free from securement, and pouches are cut from the bonded webs.