Corrugated tube

Corrugated tube

  • CN 1,198,031 A
  • Filed: 02/20/1998
  • Published: 11/04/1998
  • Est. Priority Date: 02/21/1997
  • Status: Abandoned Application
First Claim
Patent Images

1. a bellows (40), from its axial cross section, it has and alternately connects whole axial carinate (12) and groove shape (13), and at the above-mentioned joint-cutting (30) that has a perforation on axially, above-mentioned joint-cutting (30) has been determined first and second zones, the first area comprises the first end (12a) of above-mentioned carinate (12), and second area comprises the second end (12b) of above-mentioned carinate (12), it is characterized in that, look up from above-mentioned axle, above-mentioned first end (12a) comprises the convex portions (31) with inverted U-shaped cross section, this convex portions (31) extends from first circumferencial direction of above-mentioned joint-cutting (30) one gussets around aforementioned tube, constitute a socket locking device (44), above-mentioned the second end (12b) comprises one section convex portions (32) and concave part (33) with inverted U-shaped cross section, this section extends around second opposite with above-mentioned first circumferencial direction on the aforementioned tube circumferencial direction from a gusset of above-mentioned joint-cutting, constitute a plug locking device (49), above-mentioned socket locking device (44) is superimposed on above the above-mentioned plug locking device (49), and above-mentioned joint-cutting (11) is locked in closure state.

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