GB857178A - Improvements in seismic prospecting devices - Google Patents

Improvements in seismic prospecting devices

Info

Publication number
GB857178A
GB857178A GB21893/59A GB2189359A GB857178A GB 857178 A GB857178 A GB 857178A GB 21893/59 A GB21893/59 A GB 21893/59A GB 2189359 A GB2189359 A GB 2189359A GB 857178 A GB857178 A GB 857178A
Authority
GB
United Kingdom
Prior art keywords
delay
explosive
charge
june
cord
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21893/59A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB857178A publication Critical patent/GB857178A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
    • C08G59/4223—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof aromatic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Epoxy Resins (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
GB21893/59A 1958-06-27 1959-06-25 Improvements in seismic prospecting devices Expired GB857178A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US857178XA 1958-06-27 1958-06-27
US81800559A 1959-06-04 1959-06-04

Publications (1)

Publication Number Publication Date
GB857178A true GB857178A (en) 1960-12-29

Family

ID=26773013

Family Applications (2)

Application Number Title Priority Date Filing Date
GB21893/59A Expired GB857178A (en) 1958-06-27 1959-06-25 Improvements in seismic prospecting devices
GB19601/60A Expired GB957178A (en) 1958-06-27 1960-06-02 Epoxy resins

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB19601/60A Expired GB957178A (en) 1958-06-27 1960-06-02 Epoxy resins

Country Status (3)

Country Link
BE (1) BE591557A (sv)
DE (1) DE1112831B (sv)
GB (2) GB857178A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110047141A (zh) * 2019-03-02 2019-07-23 长沙迪迈数码科技股份有限公司 露天矿山开采现状三维模型更新方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110047141A (zh) * 2019-03-02 2019-07-23 长沙迪迈数码科技股份有限公司 露天矿山开采现状三维模型更新方法

Also Published As

Publication number Publication date
DE1112831B (de) 1961-08-17
BE591557A (sv)
GB957178A (en) 1964-05-06

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