clamshell

自動詞他動詞

(manufacturing) To deform a die in a shape resembling the shell of a clam, as a result of uneven extrusion pressure. / To dig out by means of a clamshell (dredging bucket).

日本語の意味

（製造工程において）均一でない押し出し圧によって金型を貝殻のような形状に変形させること / （採掘や浚渫において）クラムシェル型の掘削バケットを使用して掘り出すこと

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Google翻訳 / DeepL翻訳

昨夜の生産中、押出し工程で金型が貝殻状に変形し始めたため、プレスを停止して金型を点検しました。

詳細

意味（1）

Although it produces a nonuniform pressure drop across the die and thus causes nonuniform flow through the die lip, the distribution of the melt does not produce die distortion of clamshelling.

Google翻訳 / DeepL翻訳

詳細

意味（2）

To dig out by means of a clamshell (dredging bucket).

The additional handling that it would get by the canal would be: One dumping from the pockets into the canal barge, one clamshelling out of the canal barge, and one dumping onto the dock.

Google翻訳 / DeepL翻訳

詳細

意味（3）

To compress or flatten underwater debris so as to avoid blocking a channel.

In the past, when a boat sank and was judged unfit for salvage, the Coast Guard 'clamshelled' it. That is, they broke it up in order to flatten it as much as possible so it wouldn't obstruct river traffic.

Google翻訳 / DeepL翻訳