Coating implements with material supply – Solid material for rubbing contact or support therefor – Including means to advance material
Patent
1999-03-17
2000-10-31
Recla, Henry J.
Coating implements with material supply
Solid material for rubbing contact or support therefor
Including means to advance material
401 55, B43K 2108
Patent
active
061392081
ABSTRACT:
A lipstick tube is disclosed that includes a cylindrical tube body (3) provided with a wall with vertical grooves (2), inside which a bottom part (9) moves and supports a lipstick and is equipped with two pins which pass through the grooves in the tube body and move along the helical grooves (40) formed on the inside an external spiral (4) coaxially surrounding the tube body (3), such that relative movement of rotation between the tube body (3) and the spiral (4) causes axial displacement of the bottom part (9). The tube body (3) and the spiral (4) include click-fit means in the axial direction that work together to permanently assemble the tube body (3). The spiral (4) and the tube body (3) have at least one radial spacer (7,70,8,80) of thickness E which forms a circumferential linear contact (71,81), such that, after click-fitting, a predetermined permanent mutual pressure is exerted between the tube body (3) and the spiral (4) along the contact (71,81), so as to give a minimum contact surface area between the spiral (4) and the tube body (3) and obtain a uniform torque of predetermined level in the relative rotation movement between the two elements (3) and (4), without the use of any lubricant.
REFERENCES:
patent: 5234275 (1993-08-01), Gueret
patent: 5749664 (1998-05-01), Inoue et al.
patent: 5888003 (1999-03-01), Pierpont
Le Huyen
Recla Henry J.
Techpack Espana, S.L.
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