tamper

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tamper

[′tam·pər]
(civil engineering)
A ramming device for compacting a granular material such as soil, backfill, or unformed concrete; usually powered by a motor.
(nucleonics)
(ordnance)
In a weapon, any substance that resists movement for a split microsecond, used so that the active materials may build up greater pressure behind the substance.

Tamper

 

a power tool for compacting soil, concrete mixes, and other substances. Tampers are used for small, isolated jobs, for hard-to-reach and cramped spaces, and for the consolidation of molding sand in foundry work.

A tamper may have an electric or pneumatic drive, which imparts a reciprocating motion to an impact mechanism with a sole plate. The control handle has a shock absorber. Electric tampers produced in the USSR weigh up to 150 kg, and their productivity is as high as 80 cu m per hr. The tampers used in foundry work are mainly pneumatic; they weigh up to 25 kg and have a productivity of up to 20 cu m per hr.

tamper

tamper
A compaction device for consolidating a granular material such as soil, backfill, or unformed concrete; usually powered by a motor. Also see jitterbug.

tamper

To interfere or tinker with something that is not authorized.
References in periodicals archive ?
Utopia would be a world in which there are no drugs, no ball tamperers, no illegal bookmakers, no cheats, no corruption.
FIFA's rule makers - or should that read tamperers - have decreed that the tackle from behind should now carry a red card.