摘要 |
This bellows (gaiter, boot) 7 has corrugations 9 in its wall which comprise crest and trough sections with a U-shaped cross-section the sides of which are mutually parallel and perpendicular to the axis A of the bellows (gaiter, boot) in the undeformed state. The sides of the contiguous crest and trough parts are connected together by surfaces which form an angle with these sides. <IMAGE>
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