Examples of 'concave portion' in a sentence

Meaning of "concave portion"

A concave portion refers to a curved area or surface that curves inward or is hollow. It can be seen in various objects such as bowls or the back of a spoon

How to use "concave portion" in a sentence

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concave portion
The fuel tank has no concave portion.
This concave portion serves as a sample supply portion.
Press and hold the concave portion on the.
A similar concave portion can be provided between pairs of further engagement members.
Bottom wall side concave portion.
The sliding concave portion is fit into the sliding groove provided in the body.
Water is allowed to pass through a concave portion of the groove.
The concave portion may extend from the second line of attachment to the junction.
On either side of the concave portion are flat portions.
This allows for easy storage of the medicament in the concave portion.
Locking concave portion.
It comprises two substantially convex portion and one substantially concave portion.
The shape of the concave portion may be specified as described above.
Pull the nail feeder until the concave portion of the.
The concavity of the concave portion includes a substantially flat surface.

See also

Each half comprises an outer convex portion and an inner concave portion.
Press and hold the concave portion on the stand and open it upward.
The inner lateral surface can have a proximal planar portion and a concave portion.
The two consecutive portions are a first concave portion and a second convex portion.
This forms the third bend and shortens a radius of curvature of the annular concave portion.
A wide crown layer is needed in order to have a concave portion of significant axial width.
This curvature features a concave portion which is extended by a convex portion together having a sinusoidal shape.
In the ink cartridge, the grip section includes a concave portion.
A trouble of a conductive film due to the concave portion also easily occurs in the evaporation.
The concave portion has a continuous curvature ;.
The upper part preferably has a spherical concave portion formed in its lower surface.
Also, a fixing portion is provided at the open ends of the concave portion.
Advantageously the rotatable die has a concave portion having a passage for the optical fiber.
Both remaining sides or faces of this part have a concavity or concave portion 12.
A Engaging concave portion.
A grindstone 5 rotatably fixed to the main body 1 is disposed in the concave portion la.
With this, the strength of the concave portion can be further improved.
Therefore, the unvulcanized rubber spreads to the corners of the concave portion.
If desired, only one concave portion is necessary to carry out the present invention.
In some embodiments, the generally angled surface of the edge includes a concave portion.
For example, a slit, a concave portion or a convex portion can be used as the mark.
Therefore, no panel surface is visually influenced by the concave portion formed in the skin.
Each concave portion has the same plane of symmetry as the tooth 18 associated therewith.
The pawl fixing portion means a structure such as a projection, a concave portion or a hole.
Second, a concave portion of the mastoid is shaped for the placement of the receiver coil.
Figure 4 is a further perspective view illustrating the concave portion of the articulated joint ;.
More specifically, the concave portion is positioned adjacent the circumference of the planar section.
In certain implementations, a convex surface on the dial is positioned opposite the concave portion.
Alternatively, the avoiding section is a concave portion disposed on a lateral position of the folding component.
Preferably it has a convex portion and, facing in the opposite direction, a complementary concave portion.
The lid is in the first conformation having a concave portion 4 due to the vacuum 5.
A concave portion 7 forming a gradual curve towards the inner side is formed in the front face 6.
The fuel injector according to claim 2, wherein said concave portion has a continuous curvature.
The concave-convex surface comprises an inner circular convex portion and a concentric annular outer concave portion.
Fifth, the receiver coil is placed within the concave portion created in the mastoid.

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