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The clamshell bucket on the left hand side of the photograph on this page at Cardiff is a self-dumping chain grab. Generally, grabs have an open top to the shell body. Grabs handling light-weight powders which may be blown from the grab are sometimes fitted with covers which may be fixed or pivoted at the lower arm connection.
A clamshell bucket. A grab or mechanical grab is a mechanical device with two or more jaws (sometime clamshell-shaped), used to pick things up or to capture things. Some types include: Roundnose grab; Clamshell grab; Orange-peel grab in Dutch and German they are called poliep grijpers/ Polypengreifer = "polyp grabs".
Closed Van Veen grab sampler. The Van Veen grab sampler is an instrument to sample sediment in water environments. Usually it is a clamshell bucket made of stainless steel. Up to 20 cm deep samples of roughly 0.1 m 2 can be extracted with this instrument. It can be light-weight (roughly 5 kg) and low-tech. The smallest version even fits into ...
It is a modified version of the Van Veen grab sampler, with a clamshell bucket made out of stainless steel mounted to a supporting frame. The sampling area extracted with this instrument can vary depending on its size. With the modifications this version of the Van Veen grab sampler is heavier than the traditional version.
Clamshell buckets from a retired coal-loading crane, now displayed at a dock re-development in Cardiff The clamshell bucket is a more sophisticated articulated several-piece device, including two elementary buckets associated on a hinged structure forming a claws-like appendage with an internal volume.
Yellow Pages Singapore acquired Singapore Information Services Pte Ltd, a wholly owned subsidiary of IE Singapore Holdings Pte Ltd, for approximately S$6 million. Singapore Information Services is one of Singapore's leading trade directory publishers, publishing business-to-business trade directories to promote Singapore products and services ...
Drott developed buckets for other manufacturer's construction bulldozers, including one of the first of its type for Caterpillar in 1930. [3] The bucket held roughly 1 cubic yard of soil. [3] The company's best-known product was the Drott 4 in 1 bucket. [2] This was a tractor attachment with four functions: dozer, clamshell, bucket and scraper.
A clamshell is a one-piece container consisting of two halves joined by a hinge area which allows the structure to come together to close. Clamshells can be made to be reusable and reclosable [ 1 ] or can be sealed securely.