US 12,434,255 B2
Methods of making a fastening system for a distribution member on a threaded neck of a reservoir
Thomas Pruvost, Saint Quentin la Motte (FR)
Assigned to Silgan Dispensing Systems Le Treport, Le Treport (FR)
Filed by SILGAN DISPENSING SYSTEMS LE TREPORT, Richmond, VA (US)
Filed on Jan. 11, 2023, as Appl. No. 18/095,686.
Application 18/095,686 is a division of application No. 16/911,383, filed on Jun. 24, 2020, granted, now 11,577,263.
Claims priority of application No. 1906778 (FR), filed on Jun. 24, 2019.
Prior Publication US 2023/0149959 A1, May 18, 2023
Int. Cl. B29C 45/44 (2006.01); B05B 11/00 (2023.01); B29C 45/00 (2006.01); B29L 31/00 (2006.01)
CPC B05B 11/0008 (2013.01) [B29C 45/0081 (2013.01); B29C 45/4407 (2013.01); B29C 2045/4414 (2013.01); B29L 2031/7096 (2013.01); B29L 2031/7496 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A method for moulding a fastening system ring, comprising:
providing a mould;
providing at least one core for said mould, wherein the at least one core comprises:
a central axis;
at least one vertical wall parallel to the central axis; and
at least one angled wall adjacent the at least one vertical wall;
injecting a plastic material into the mould to form said fastening system ring, wherein the fastening system ring comprises:
a fixed tab adjacent the at least one vertical wall; and
an articulated tab adjacent the at least one angled wall;
displacing the at least one core axially to release said fastening system ring from said at least one core.