Device For Dispensing A Preferably Cosmetic Fluid

Abstract

The invention relates to a device ( 1 ), comprising a valve element ( 2 ) and a valve seat ( 4 ) associated therewith, for dispensing a preferably cosmetic fluid. The invention also relates to the use of thermoplastic silicone for producing a valve element. The aim of the invention is to produce the aforementioned device in a simple and inexpensive manner. For this purpose, the valve element ( 2 ) is produced from a thermoplastic silicone. The valve element is especially injection-molded from thermoplastic silicone at a processing temperature of from 140° C. to 250° C.

1 . Device for dispensing a preferably cosmetic fluid, with a particularly elastically deformable valve element and particularly with an allocated valve seat ( 4 ), wherein the valve element consists of thermoplastic silicon. 
   
   
       2 . Device as set forth in  claim 1 , wherein the valve element is injection-molded, particularly injection-molded directly against the valve seat or another part of the device, particularly the part forming the valve seat. 
   
   
       3 . Device as set forth in  claim 1 , wherein the valve element is elastically pretensioned against the valve seat. 
   
   
       4 . Device as set forth in  claim 1 , wherein the valve element is designed to be self-closing. 
   
   
       5 . Device as set forth in  claim 1 , wherein the valve element can be opened by manual actuation and/or pressure of the fluid. 
   
   
       6 . Device as set forth in  claim 1 , wherein the valve element fastened non-positively and/or positively to the device or its part, particularly by means of at least one engagement part. 
   
   
       7 . Device as set forth in  claim 1 , wherein the silicon is a copolymer, preferably a two-phase-constructed block copolymer, particularly a polydimethyl siloxane urea copolymer. 
   
   
       8 . Device as set forth in  claim 1 , wherein the silicon has a Shore A hardness of 60 to 100. 
   
   
       9 . Device as set forth in  claim 1 , wherein the valve seat consists of a thermoplast, preferably a polyolefin, particularly polypropylene. 
   
   
       10 . Device as set forth in  claim 1 , wherein the valve seat is injection-molded. 
   
   
       11 . Device as set forth in  claim 1 , wherein the valve seat is formed by an elastically deformable, preferably one-piece part of the device. 
   
   
       12 . Device as set forth in  claim 1 , wherein the device has a pump chamber which is delimited or formed at least partially by a part of the device, particularly wherein fluid can be dispensed from the pump chamber through manual deformation of the part and can be subsequently taken up, particularly sucked, into the pump chamber through preferably self-actuating elastic resetting of the part. 
   
   
       13 . Device as set forth in  claim 1 , wherein the valve element forms, particularly together with the valve seat, an inlet, delivery, one-way or dispenser valve for the fluid. 
   
   
       14 . Device as set forth in  claim 1 , wherein the device is designed as a dispenser head, manually actuated pump or dispenser. 
   
   
       15 . Use of thermoplastic silicon to manufacture a valve element of a device for dispensing a preferably cosmetic fluid, with the valve element being injection-molded from the silicon at a processing temperature of 140 to 250° C. 
   
   
       16 . Use as set forth in  claim 15 , wherein the valve element is injection-molded directly against a valve seat of the device. 
   
   
       17 . Use as set forth in  claim 16 , wherein the valve seat or a part of the device forming same is injection-molded before the valve element—particularly in the same injection mold. 
   
   
       18 . Use as set forth in  claim 16 , wherein the valve seat or a part of the device forming same is manufactured from a thermoplast, preferably from a polyolefin, particularly polypropylene. 
   
   
       19 . Use as set forth in  claim 15 , wherein the silicon is a copolymer, preferably a two-phase-constructed block copolymer, particularly a polydimethyl siloxane urea copolymer. 
   
   
       20 . Use as set forth in  claim 15 , wherein the silicon has a Shore A hardness of 60 to 100.