English Dictionary

clamshell

動詞

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

During production last night, the extruded die began to clamshell, forcing us to halt the press and inspect the tooling.

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。

意味（1）

(manufacturing) To deform a die in a shape resembling the shell of a clam, as a result of uneven extrusion pressure.

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.

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.

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.

意味（4）

(transitive, intransitive) To open or close by means of a hinge, similar to the way a clamshell opens and closes.

To avoid getting clamshelled, first check the seat pins, then climb in before you pin the canopy.

clamshells （ present singular third-person ）

clamshelling （ participle present ）

clamshelled （ participle past ）

clamshelled （ past ）