-
1 air grooves
Пластмассы: воздушники, каналы для выхода воздуха -
2 air grooves
каналы для выхода воздуха, воздушникиEnglish-russian plastics terminology dictionary > air grooves
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3 groove
канавка f; паз m; желобок m* * *•
- flash grooves
- flash-retaining grooves
- hold-down groove
- overflow grooves
- pick-up groove
- sprue grooves
- vent grooves
- water cooling groove -
4 collar
2. втулка; подшипник3. сальник4. буртик; кольцо; хомут5. закраина, заплечик7. устье ( ствола) || закреплять устье скважины ( обсадной трубой)
* * *
кольцо; обойма; втулкаshock-resistant vibration-suppressing drill collar — ударостойкая утяжелённая бурильная труба, способная поглощать вибрации
slip and elevator recess drill collar — утяжелённая бурильная труба с прорезями для элеватора плашечного типа
* * *
муфта ( с нарезкой для труб); манжета; хомут; кольцо
* * *
1) хомут; бурт; кольцо; обойма; переходная муфта; фланец2) втулка; подшипник3) сальник4) наплыв ( вокруг термитного шва)•to collar a hole — 1) забуривать скважину 2) закреплять устье скважины обсадной трубой; устанавливать в скважине кондуктор;
- baffle collarto collar pipes — компактно укладывать трубы в штабель с расположением муфт в шахматном порядке
- bottom drill collar
- bypass collar
- casing collar
- casing float collar
- cement baffle collar
- cementing collar
- cementing float collar
- combination collar
- combination tap-and-die collar
- crude oil collar
- die collar
- die collar with centering chamfer
- differential fill-up collar
- differential valve packer collar
- double box collar
- drill collar
- drill collar with stress-relief grooves
- drive collar
- extraheavy drill collar
- float collar
- fluted drill collar
- full-hole drill collar
- gage die collar
- gate valve baffle collar
- grooved drill collar
- guard collar
- horse collar
- hydraulic-actuated cement collar
- hydraulic drill collar
- jar collar
- landing collar
- latch-in collar
- left-hand thread die collar
- liner collar
- loose collar
- milling die collar
- monel collar
- mud drill collar
- mushroom-shaped collar of swivel stem
- nonmagnetic drill collar
- no-wall-stick drill collar
- oversize drill collar
- pin collar
- pipe collar
- port collar
- retaining collar
- ribbed collar
- right-hand thread die collar
- rotary die collar
- rubber collar
- rugged nonmagnetic collar
- set collar
- shale collar
- shock-resistant vibration-suppressing drill collar
- slip and elevator recess drill collar
- slotted drill collar
- spiral-drill collar
- spiral-groover drill collar
- square drill collar
- stage-cementing collar
- stop collar
- sucker-rod die collar
- thrust collar
- travel collar
- tubing head landing collar
- umbrella collar
- valve collar
- wear-resistant porous drill collar* * *• бурт• буртик• кольцо• манжета• муфта• полоса пород, окружающая устье скважины• устье -
5 water
* -
6 water
* -
7 water
* -
8 Gatling, Dr Richard Jordan
[br]b. 12 September 1818 Winston, North Carolina, USAd. 26 February 1903 New York, USA[br]American weapons designer and metallurgist.[br]Gatling first became interested in inventing when helping his father develop more-efficient agricultural machines, and as early as 1839 he developed a screw propeller for ships. Shortly after this he was struck down by smallpox, and it was this that caused him, when he recovered, to study medicine; he did this at the Ohio Medical College, graduating in 1850. The outbreak of the American Civil War in 1861 triggered an immediate interest in weaponry and he set about designing a rapid-fire weapon, which would both bear his name and be one of the forerunners of the machine gun: he completed his design of the Gatling Gun in 1862. His concept of using several barrels was not unique, with other inventors such as the Belgian Fafschamps and the Frenchman Reffye also employing it. However, Catling's gun was superior to the others in the soundness of its engineering. The rounds were fed through a hopper on top of the gun into the chambers of each barrel, and the barrels themselves were fixed in a cluster. An endless screw operated by a hand crank controlled the operation, opening the breech of each barrel in turn, enabling the round to drop into the chamber through a series of grooves, and then closing the breech and releasing the striker. In the face of fierce competition, the Gatling was adopted by the US Army in 1866, and many other armies followed suit. Although a version powered by an electric motor was introduced in 1893, the Gatling was gradually superseded by the fully automatic machine gun, first developed by Maxim. Even so, such was the excellence of the Gatling's mechanics that the concept was readopted by the Americans in the late 1950s and employed in such systems as the Vulcan air-defence gun and the airborne Minigun. Gatling's inventions did not end with his gun. In 1886 he developed a new steel and aluminium alloy and also experimented with the production of cast-steel cannon.CMBiographical history of technology > Gatling, Dr Richard Jordan
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