| ORICA EXPLOSIVES TECHNOLOGY PTY LTD Patent applications |
| Patent application number | Title | Published |
|---|
| 20120060983 | DELAY COMPOSITIONS AND DETONATION DELAY DEVICES UTILIZING SAME - A delay composition for a detonator or delay device. The composition comprising a mixture of silicon and barium sulfate, and an amount of red lead in the range of about 3 to 15%, and preferably 6 to 12%, by weight of the mixture. The invention also relates to a delay element comprising a rigid metal tube containing the delay composition, and a delay device incorporating the delay element. | 03-15-2012 |
| 20120042800 | SELECTIVE CONTROL OF WIRELESS INITIATION DEVICES AT A BLAST SITE - Disclosed herein are methods for selective control of groups of wireless initiation devices such as wireless electronic boosters at a blast site. Such methods may be applied to a wide variety of blasting techniques that would benefit from the use of wireless control and initiation of explosive charges at the blast site. | 02-23-2012 |
| 20110265677 | CALIBRATION OF DETONATORS - A plurality of detonator assemblies in signal communication with a blasting machine, each detonator assembly consisting of a detonator, a storage compartment for storing programmed delay time and/or oscillation count and a countdown oscillator. A transmitter for transmitting a blast rehearsal stop start and stop signal, said signals being separated by said programmed delay time individually selected for each detonator signal. The oscillator counting the total oscillation count corresponding to said delay time. When a detonator assembly receives a FIRE command, the individual countdown oscillators countdowns the total oscillation count associated with its detonator assembly. | 11-03-2011 |
| 20110155500 | DEVICE FOR IMPROVED METHOD OF BLASTING - An explosive cartridge comprising:
| 06-30-2011 |
| 20110124945 | DEACTIVATING AN EXPLOSIVE COMPOSITION USING A CHEMICAL - A method of deactivating an explosive composition provided in an explosive cartridge, which method comprises exposing the explosive composition to a deactivating agent that renders the explosive composition insensitive to detonation, wherein the deactivating agent is a chemical. | 05-26-2011 |
| 20110067591 | SECURITY ENHANCED BLASTING APPARATUS, AND METHOD OF BLASTING - Blasting apparatuses are disclosed that include enhanced security features, including biometric analysis of specific biological features of a candidate blast operator, thereby to generate a biometric signature. Other corresponding methods relate to cross-referencing of biometric signatures between components of the blasting system. Additional security features of the blasting apparatuses, and corresponding methods of blasting employing the blasting apparatuses, are also disclosed. | 03-24-2011 |
| 20110053255 | DEACTIVATING AN EXPLOSIVE COMPOSITION USING PLANTS - A method of deactivating an explosive composition provided in an explosive cartridge, which method comprises exposing the explosive composition to a deactivating agent that renders the explosive composition insensitive to detonation, wherein the deactivating agent is a plant. | 03-03-2011 |
| 20100327011 | MOBILE DELIVERY PLATFORM FOR FLOWABLE EXPLOSIVE - Apparatus for storing and dispensing flowable explosive, the apparatus including an explosive pump for pumping flowable explosive into an explosive tank having a fluid pressure-actuated piston movable therein for expelling flowable explosive out of the explosive tank through a delivery hose fitted with an injector through which one or more additives from one or more additive tanks can be pumped by an additive pump. | 12-30-2010 |
| 20100275799 | METHOD OF COMMUNICATION AT A BLAST SITE, AND CORRESPONDING BLASTING APPARATUS - Blasting operations for mining frequently involve a large number of detonators for a single blasting event. An important step in the execution of a blast is to perform a roll-call to check that all detonator assemblies placed at the blast site are in communication with a blasting machine, and forming operative components of the blasting apparatus. Disclosed herein are blasting apparatuses and methods of blasting that streamline this roll-call step, thereby reducing time consumed in the blasting process. | 11-04-2010 |
| 20100180788 | METHOD OF COMMUNICATION AT A BLAST STIE, AND CORRESPONDING BLASTING APPARATUS - Blasting operations for mining frequently involve a large number of detonators for a single blasting event. An important step in the execution of a blast is to perform a roll-call to check that all detonator assemblies placed at the blast site are in communication with a blasting machine, and forming operative components of the blasting apparatus. Disclosed herein are blasting apparatuses and methods of blasting that streamline this roll-call step, thereby reducing time consumed in the blasting process. | 07-22-2010 |
| 20100180786 | INITIATION OF EXPLOSIVES MATERIALS - A detonator free blasting system, which comprises: a bulk explosive; a confined explosive; a fiber optic adapted to deliver laser light to the confined explosive, wherein the confined explosive is provided relative to the bulk explosive such that detonation of the confined explosive causes initiation of the bulk explosive. | 07-22-2010 |
| 20100162912 | ELECTRICAL CONDUCTIVE ELEMENT - A conductive element suitable for the transmission of an electrical operating signal to a detonator, which conductive element comprises a conductive filler homogeneously dispersed in a polymer matrix. | 07-01-2010 |
| 20090314176 | APPARATUS AND METHOD FOR BLASTING - Disclosed herein are significant improvements in security and safety of blasting apparatuses intended for use in mining operations. These include the development of an apparatus and method for blasting that involves activation or deactivation of the blasting apparatus in accordance with pre-determined parameters. For example, these parameters may include one or more of: a location of the blast site, a time for the blasting event, a number of previous blasts, a number of previous blasts within a given time period, and identification of detonator identification codes. The activation or deactivation may involve cross-communication between components of the blasting apparatus and/or associated detonators. Such cross-communication may involve electronic or wireless communication means, including for example the use of cell phone technology, or the internet. In this way, preferred apparatuses and methods disclosed herein permit rapid analysis and verification of a geographical location and time for a blasting event, as well as control and logging of the blasting event, all from a remote location. | 12-24-2009 |
| 20090305378 | INTEGRATED CHEMICAL PROCESS - A mineral carbonation process, characterised in that the silicate feedstock is thermally activated by using heat generated from the combustion of fuel prior to reacting the activated slurry feedstock with carbon dioxide. | 12-10-2009 |
| 20090260532 | Method for Assigning a Delay Time to Electronic Delay Detonators - In the method for assigning a delay time to an electronic delay detonator. The detonator includes a data register ( | 10-22-2009 |
| 20090193993 | Wireless Detonator Assemblies, and Corresponding Networks - Wireless detonator assemblies ( | 08-06-2009 |
| 20080307993 | Wireless Detonator Assemblies, Corresponding Blasting Apparatuses, and Methods of Blasting - A wireless or partially wireless detonator assembly ( | 12-18-2008 |
| 20080302264 | Wireless Detonator Assembly, and Methods of Blasting - A wireless detonator assembly ( | 12-11-2008 |
| 20080282925 | ELECTRONIC BLASTING WITH HIGH ACCURACY - Electronic blasting systems typically permit blasting with detonator delay times having millisecond accuracy. Disclosed herein are blasting apparatuses and methods of blasting that are capable of even higher degrees of delay time accuracy, for example involving programmable delay times selectable to an accuracy of about 0.25 ms, 0.1 ms, or better. Such methods and apparatuses present unprecedented and unexpected advantages for both mining applications, civil engineering uses, and in seismic prospecting. | 11-20-2008 |
| 20080245254 | Method Of Blasting - Methods of blasting rock are disclosed and claimed in which blast holes are arranged in group of 2 to 7 blast holes. Within each of the groups, adjacent columns of explosive material ( | 10-09-2008 |
