NZ793100A - Roller clamp - Google Patents
Roller clampInfo
- Publication number
- NZ793100A NZ793100A NZ793100A NZ79310022A NZ793100A NZ 793100 A NZ793100 A NZ 793100A NZ 793100 A NZ793100 A NZ 793100A NZ 79310022 A NZ79310022 A NZ 79310022A NZ 793100 A NZ793100 A NZ 793100A
- Authority
- NZ
- New Zealand
- Prior art keywords
- longitudinal groove
- bottom wall
- roller
- clamping surface
- roller clamp
- Prior art date
Links
Abstract
Roller clamp (1) for regulating the flow of a fluid through an elastically deformable tubing (T), comprising a generally channel-shaped body (2) whose bottom wall (4) has a clamping surface (6a, 6b) with a longitudinal groove (7) with a cross-section decreasingly variable from an initial end (7a) towards a terminal end (7b). The longitudinal groove (7) is arranged asymmetrically with respect to the lateral walls (5a, 5b) of the body (2). wards a terminal end (7b). The longitudinal groove (7) is arranged asymmetrically with respect to the lateral walls (5a, 5b) of the body (2).
Claims (4)
1. Roller clamp for regulating the flow of a fluid through an elastically deformable tubing, comprising a 5 generally channel-shaped body having two lateral walls and a bottom wall defining a clamping surface along at least part of which a longitudinal groove is formed having a bottom wall, lateral wall, an initial end and a terminal end and having a cross section decreasingly 10 variable from said initial end towards said terminal end, and a roller rotatably supported by said lateral wall of the body and longitudinally movable in a guided fashion in said body substantially parallelly to said clamping surface for clamping in use an elastically 15 deformable tubing inserted through the body between said bottom wall and said roller, wherein said longitudinal groove is arranged asymmetrically with respect to said lateral walls of the body, wherein said lateral walls of said longitudinal groove are - in a per se known fashion 20 - oblique diverging from said bottom wall, and in that said longitudinal groove is connected to said clamping surface through curved edges having different curvature radii, the curvature radius of the curved surface arranged on the side of the longitudinal groove that is 25 closest to a lateral wall of the body being smaller than the curvature radius of the curved surface arranged on the side of the longitudinal groove which is farthest from the other lateral wall of the body.
2. Roller clamp according to claim 1, wherein said 30 clamping surface has ribs extending longitudinally beside said longitudinal groove.
3. Roller clamp according to claim 2, wherein said ribs are asymmetrical.
4. Roller clamp according to any one of the 35 preceding claims, wherein said initial end of the longitudinal groove is formed with centring bevels for inserting the flexible tubing into the body of the clamp.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ793100A true NZ793100A (en) | 2022-10-28 |
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