US 11,950,986 B2
Tampon press
Nick Brooks, Warwick (GB); David L. Kimball, Flemington, NJ (US); Peter Morgan, Warwickshire (GB); and James Stembridge, Warwickshire (GB)
Assigned to Johnson & Johnson GmbH, Neuss (DE)
Filed by Johnson & Johnson GmbH, Neuss (DE)
Filed on Sep. 16, 2020, as Appl. No. 17/022,291.
Claims priority of provisional application 62/907,153, filed on Sep. 27, 2019.
Prior Publication US 2021/0093487 A1, Apr. 1, 2021
Int. Cl. B29C 43/02 (2006.01); A61F 13/20 (2006.01); B30B 11/00 (2006.01)
CPC A61F 13/2088 (2013.01) [A61F 13/2091 (2013.01); B29C 43/02 (2013.01); B30B 11/007 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A press for shaping an absorbent tampon blank having an outer surface and a front portion and a back portion into a shaped tampon pledget having an outer surface and a front portion and a back portion, said press comprising a central cavity arranged and configured to accommodate the absorbent tampon blank, the central cavity having a main longitudinal axis passing through the press; a plurality of penetrating dies, each penetrating die (i) having a first, straight portion, parallel to the main longitudinal axis and a second, curved portion with respect to the main longitudinal axis that creates a concave profile on the said pressing face, and (ii) having a pressing face on at least a fragment of its side facing the central cavity, and the plurality of penetrating dies being arranged radially around the said main longitudinal axis; at least one cam to actuate the plurality of penetrating dies,
wherein:
a plurality of the said penetrating dies are divided longitudinally, creating a group of composite penetrating dies, said composite penetrating dies having two parts, a front part and a back part, and all the front parts of the composite penetrating dies constitute the front group and all the back parts of the composite penetrating dies constitute the back group and the front group and back group are actuated independently, and
at least one first penetrating die of the plurality of the said penetrating dies having a pressing face with a first shaped longitudinal profile, and
at least one second penetrating die of the plurality of the said penetrating dies having a pressing face with a second shaped longitudinal profile.