[특허]Formation of foamed emulsion-type blasting agents

[미국특허] Formation of foamed emulsion-type blasting agents 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C06B-045/00 C06B-033/02 C06B-031/30 C06B-043/00
출원번호	US-0570952 (1975-04-22)
발명자 / 주소	Chrisp Joseph Dean (Hagerstown MD)
출원인 / 주소	E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보	피인용 횟수 : 29 인용 특허 : 0

초록 ▼

In the chemical foaming of emulsions to form blasting agents, the gas-generating material (foaming agent), or a component thereof, is introduced into a stream of the emulsion and the stream thereafter delivered into packaging receivers, any work required to be performed on the emulsion after the addition of the gas-generating material thereto, e.g., pumping or mixing, being performed before substantial foaming due to reaction of the gas-generating material, as a rule before more than about 50 percent of the total density decrease attainable by foaming, has occurred. The gas-generating material can be added to a stream of fine emulsion and preferably mixed for uniform distribution through the emulsion, or to a stream of coarse emulsion, which is mixed with high shear to convert the coarse emulsion to a fine emulsion, mixing in either case taking place before substantial foaming has occurred.

대표청구항 ▼

In a method of chemically foaming an emulsion comprised of oxidizing salt, carbonaceous fuel, water and emulsifier to form a blasting agent wherein a gas-generating material is injected into the emulsion and the injected emulsion is subjected to work, said gas-generating material reacting with gas evolution so as to foam said emulsion and thereby decrease the density thereof, the improvement comprising injecting the gas-generating material into a stream of the emulsion, subjecting the injected stream to work only before more than about 50 percent of the total density decrease that is attainable by the full foaming of said emulsion has occurred, and delivering the injected stream into packaging receivers where the remainder of the density decrease takes place, whereby a substantially uniform lowered density is achieved from one receiver to another.

이 특허를 인용한 특허 (29) 인용/피인용 타임라인 분석

Nguyen Anh D. (Brossard CAX), Chemically gassed emulsion explosive.
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Kerry S. Atkinson ; John B. Halander, Delivery of emulsion explosive compositions through an oversized diaphragm pump.
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Trocino Joseph, Disposable explosive foam dispenser.
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Riga Alan T. (Cleveland OH) Forsberg John W. (Mentor OH), Emulsifiers and explosive emulsions containing same.
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Sudweeks Walter B. (Orem UT) Lawrence Lawrence D. (Sandy UT), Emulsion explosive manufacturing method.
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Owen ; II James H. (Hagerstown MD), Emulsion-type explosive composition and method for the preparation thereof.
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Waldock, Kevin H., Explosive composition, method of making an explosive composition, and method of using an explosive composition.
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Forsberg John W. (Mentor-on-the-Lake OH) Mullay John J. (Hazleton PA) Sohara Joseph A. (Whitehall PA), Explosive compositions.
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Forsberg John W. (Mentor OH), Explosive compositions using a combination of emulsifying salts.
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Wypkema Wypke,ZAX ; Jordon Keith Anthony,ZAX, Explosives.
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Curtin David J. (South Oakleigh AUX) Yates David E. (East Brunswick AUX), Gas bubble-sensitized explosive compositions.
상세보기
Sayles David C. (Huntsville AL), Gas-generated expandable beads as burning rate accelerators.
상세보기
da Silva, Gabriel; Dlugogorsk, Bogdan Z.; Kennedy, Eric M., Gassing of emulsion explosives with nitric oxide.
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Engsbraten Bjrn (brebro SEX), Making a reduced volume strength blasting composition.
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Levenson Michael K. (Tempe AZ), Method for binary propellant.
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Granlund Lars A. (Nora SEX), Method of manufacturing emulsion explosive insensitive to a #8 detonator.
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Lanza Rivas, Rafael; Quintana Angulo, Jose Ramon; Beitia Gomez De Segura, Fernando Maria, Procedure and installation for on-site manufacturing of explosives made from a water based oxidizing product.
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Gomez De Segura, Fernando Beitia; Angulo, Jose Ramon Quintana; Rivas, Rafael Lanza, Process and mechanism for in situ sensitization of aqueous explosives.
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Gomez de Segura, Fernando Beitia; Angulo, Jos? Ram?n Quintana; Rivas, Rafael Lanza, Process for the “in situ” manufacturing of explosive mixtures.
상세보기
Atkinson,Kerry S.; Halander,John B., Reduced energy blasting agent and method.
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Forsberg John W. (Mentor OH), Salt compositions for explosives.
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Breslow ; B. Arthur, Sensitizing liquid explosives with high gamma gas.
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Clay Robert B. (Bountiful UT), Water-in-oil blasting composition.
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Hattori Katsuhide (Chita JPX) Fukatsu Yoshiaki (Chita JPX) Takahashi Masao (Chita JPX), Water-in-oil emulsion explosive composition.
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Wade ; Charles G., Water-in-oil emulsion explosive composition.
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Hattori Katsuhide (Aichi JPX) Fukatsu Yoshiaki (Aichi JPX) Takahashi Masao (Aichi JPX), Water-in-oil emulsion explosive composition with imidazoline derivative emulsifier.
상세보기
Forsberg John W. (Mentor OH), Water-in-oil emulsions.
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Forsberg John W. (Mentor-on-the-Lake OH), Water-in-oil emulsions.
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Smith ; Jr. Robert G. ; Fee Harry R., Zinc oxide inhibited emulsion explosives and method.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Formation of foamed emulsion-type blasting agents 원문보기