Snap-fit closure system

Inactive Publication Date: 2014-04-17
HENKEL KGAA
View PDF16 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patent describes a container for pourable cleaning agents that has a unique design to facilitate use. The container has a threadless circular opening and a cylindrical holding ring that fits tightly around the opening, with a catch spring element for easy attachment of a pouring aid. The container is designed to be liquid-tight and secure, but can also be easily detached from the pouring aid for easy use.

Problems solved by technology

The production of such preforms having a thread is comparatively complex because of the geometry of the thread flanks and thread slope, and because of production tolerances.
Problems moreover regularly occur when filling such bottles, since the position of the closures relative to the bottles must be determined exactly in order to allow the closure to be screwed on.
The time expenditure for such screwing-on processes is moreover comparatively large, and represents a limiting factor on the filling capacity of an automatic filling line.
The torques with which a closure cap is screwed on must also be determined and monitored as exactly as possible, since too little screwing-in torque can cause unintentional loosening of the screw closure, and too high a screwing-on torque can mean that reopening of the closure by a user is impossible or difficult, or the closure can in fact be destroyed by being screwed on with an excessive tightening torque.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Snap-fit closure system
  • Snap-fit closure system
  • Snap-fit closure system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009]The following detailed description of the invention is merely exemplary in nature and is not intended to limit the invention or the application and uses of the invention. Furthermore, there is no intention to be bound by any theory presented in the preceding background of the invention or the following detailed description of the invention.

[0010]The container, in particular a bottle blown from a preform, for pourable washing and cleaning agents, encompasses[0011]a threadless circular container opening onto whose outwardly directed distal end is shaped a cylindrical holding ring whose outside diameter Dh is larger than the outside diameter Db of the container opening, so that the container opening is set back inward with respect to the holding ring toward the center axis of the container opening or of the holding ring,[0012]a substantially cylindrical pouring aid[0013]that comprises at least at one distal end a catch spring element, the catch spring element and the holding ring...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Angleaaaaaaaaaa
Angleaaaaaaaaaa
Diameteraaaaaaaaaa
Login to View More

Abstract

A container for pourable washing and cleaning agents, comprising: a threadless circular container opening onto whose outwardly directed distal end is shaped a cylindrical holding ring whose outside diameter is larger than the outside diameter of the container opening, so that the container opening is set back inward with respect to the holding ring toward the center axis of the container opening; a substantially cylindrical pouring aid that comprises at least at one distal end a catch spring element, the catch spring element and the holding ring being configured in such a way that by snapping the pouring aid onto the holding ring, a liquid-tight connection that is nonreleasable for a user is constituted, and that comprises at its other distal end means for releasable connection of the pouring aid to a closure cap.

Description

FIELD OF THE INVENTION[0001]The present invention generally relates to a snap-fit closure system for a container, and more particularly relates to a bottle, blown from a preform, for pourable washing and cleaning agents.BACKGROUND OF THE INVENTION[0002]Plastic bottles, in particular, blown from a blank or preform have become established in the field of storing commercially usual quantities of washing and cleaning agents. These bottles usually possess an external thread onto which a dispensing and closure cap is screwed. The production of such preforms having a thread is comparatively complex because of the geometry of the thread flanks and thread slope, and because of production tolerances. The same applies to the corresponding closure caps.[0003]Problems moreover regularly occur when filling such bottles, since the position of the closures relative to the bottles must be determined exactly in order to allow the closure to be screwed on. The time expenditure for such screwing-on pro...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B65D25/42
CPCB65D25/42B65D83/06B65D47/127Y10T29/4998
InventorMUEHLHAUSEN, HANS-GEORGBERGBOHM, INGMAR
OwnerHENKEL KGAA