ripper


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Related to ripper: Jack the Ripper

ripper

Software that converts audio and video content into formats for computer storage and playback. See ripping and MP3.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Ripper

 

an excavating machine for loosening layers of frozen soil, rock (usually of medium strength), and artificial surfaces in layers using the tractive force of a prime mover. Rippers are used in construction together with other excavating machines to prepare foundation pits, canals, and trenches; they are also used for stripping work in open-pit mines.

Rippers are equipped with a trailer or mounted tined device with elements for attachment to the prime mover and a hydraulic drive. A distinction is made between three-armed, four-armed, and parallelogram mounted devices. Rippers may have remote adjustment for the angle, operating width, and depth of ripping. The working member of the ripper is a tooth with a replaceable tip and a wear-resistant protective covering. Modern rippers usually have a hydraulic drive to raise and lower the teeth, change the ripping angle of the tip of the tooth, control the mechanism that positions the arms, and change the spacing of the teeth. Some rippers have shock absorbers to reduce the transfer of peak dynamic loads to the prime mover and attachments for working with push tractors.

REFERENCES

Rovinskii, M. I., and G. A. Shloido. Navesnye rykhliteli dlia razrabotki merzlykh i skal’nykh gruntov. Moscow, 1965.
Mashiny dlia razrabotki merzlykh gruntov. Moscow, 1973.

G. A. SHLOIDO

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

ripper

ripper, 1
1. An attachment with long angled teeth that fits on the rear of a tractor or is towed by it; penetrates and loosens subsurface layers of earth to a depth of up to 3 ft (approx. 1 m).
2. A tool used for removing damaged slates on a roof; consists of a long steel blade with a notched hook at one end for withdrawing nails.
3. A towed machine, provided with teeth to loosen hard soil and soft rock.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
ONE of Oscar Wilde's lovers has been unmasked as a prime suspect for the Jack the Ripper slayings in Victorian London.
He named barber Aaron Kosminski as the Ripper, who killed at least five women in London's east end, and gave his reasons.
What delayed the Ripper inquiry was not a sad drunk from Sunderland, but the kind of police incompetence and media fixation with which we have grown so painfully familiar.
To this end, Ripper, who, raised as a Baha'i, assures the viewer that whereas when he was a child he used to "create his own dreams" (which I find hard to believe), now his "subconscious is running the show," and his dreams, he tells us in a particularly sanctimonious drone that is irritating at the beginning of the film and grows steadily more irritating as it progresses, "are getting darker and darker." Ripper has this annoying tendency to make you feel that fear and grief are his own special province, that he's a virtuoso of suffering, that he is somehow more alert to suffering than the rest of us are.
(A total of eighty murders occurred in the whole of London in 1887, almost exactly the same, in per capita terms, as the number, 142, of murders in London in 1997.) It was the rarity of homicides in the East End, let alone grotesque multiple killings, which made the Ripper so infamous.
It seems rather odd that Jack The Ripper's last victim was Mary Kelly who was one of the "ladies" of the night and who was said to have plied her trade in St Mary Street before moving to London.
Other speakers include Ripper experts Michael Hawley and Shirley Harrison, who originally investigated the Ripper Diary in 1992 and brought the story to light with her book, The Diary of Jack the Ripper.
No one knows for sure how many people Jack the Ripper killed.
Trevor has been conducting a cold case investigation into Jack the Ripper since 2002 and his results aim to shed new light on the affair which has fascinated people for decades.
Marriott is a retired murder squad detective and since 2002 he has been conducting a cold case investigation into Jack the Ripper and The Whitechapel Murders of 1888.
All Magic Software's software products are on sale, including Magic DVD Ripper and Copier, Magic Mac DVD Ripper and Copier, Magic Blu-ray Ripper and Copy, and Magic Mac Blu-ray Ripper.
RIPPER STREET (9pm BBC One) AFTER two series, BBC One's new controller Charlotte Moore has pulled the plug on Ripper Street.