Drinking lid for a drinking container, and drinking container having such a lid

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Solution Overview

Problem

Existing 360° drinking attachments face challenges in assembly after cleaning, as the alignment of openings for liquid passage is laborious and often not precise, leading to suboptimal cleaning results, and they lack effective air supply mechanisms to prevent negative pressure during liquid extraction.

Innovation Solution

A 360° drinking attachment design featuring a two-part trinkrand with separate materials for the mounting and drinking sections, and a sealing disk with stiffening ribs and air inlet passages to simplify assembly and ensure proper sealing, allowing for easy alignment and effective air flow to prevent negative pressure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the sealing disk is designed to be lifted by suction action to release liquid passage, then liquid flow is enabled, but precise alignment of openings becomes laborious and difficult after cleaning

Engineering Contradiction:
Improveliquid passage releaseVSAvoidalignment of openings
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The trinkrand is divided into two separate parts: a first part with a mounting portion and a second part with a drinking section. This segmentation allows each part to be manufactured and assembled independently, eliminating the need for precise alignment of openings between components after cleaning.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The seal element is extracted as a separate component that can be removed and cleaned independently from the trinkrand parts. This allows the seal element to be replaced or reinstalled without requiring precise alignment of multiple openings, simplifying the cleaning and reassembly process.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If the seal element is tightly applied to prevent leakage, then sealing performance is improved, but air supply is restricted causing negative pressure during liquid extraction

Engineering Contradiction:
Improvesealing performanceVSAvoidnegative pressure
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The seal element is designed with differentiated local properties: it provides tight sealing at the interface between the trinkrand and drinking vessel to prevent leakage, while simultaneously incorporating air inlet passages that allow air to flow through specific locations to prevent negative pressure buildup during liquid extraction.

Inventive Principle:
Principle #3Local quality

3Device complexity

If the trinkrand is made as a single integrated piece, then structure is simplified, but assembly after cleaning becomes laborious and imprecise

Engineering Contradiction:
Improvetrinkrand structureVSAvoidassembly after cleaning
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The trinkrand is divided into two separate parts: a first part with a mounting portion and a second part with a drinking section. This segmentation allows each part to be manufactured and assembled independently, eliminating the need for precise alignment of openings between components after cleaning.

Inventive Principle:
Principle #1Segmentation

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The design simplifies assembly, enhances sealing stability, and ensures efficient fluid flow without the need for precise alignment, while the air inlet passages prevent negative pressure and pulsation during liquid extraction.

Implementation Method 1

a substantially elastic so-called in the trin-crown comprising a sealing disk for sealing the trin-edge

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

an air inlet passage which is designed to allow air to flow into the drinking vessel

Methodology Applied
Scientific EffectPressure gradient: Pressure Gradient

Data Source

PatentEP3689192B1Drinking lid for a drinking container, and drinking container having such a lid
Publication Date: 2021.04.14 MAPA GMBH
  • EP3689192B1 patent drawingFigure 1~2
  • EP3689192B1 patent drawingFigure 3~4
  • EP3689192B1 patent drawingFigure 5~6

AI summary

Drinking attachment (10) for drinking vessels (12) comprising a funnel-shaped circumferential drinking rim (14) open towards the drinking vessel (12), with a fastening section (16) for attaching the drinking attachment (10) to a rim region of the drinking vessel (12) surrounding an opening (28) of the drinking vessel (12), and a bowl-shaped elastic sealing disc (20) insertable into the drinking rim (14) for sealing the drinking rim (14), wherein the sealing disc (20) rests circumferentially against the drinking rim (14) in the region of the free end of the drinking rim (14) in the intended assembly state of the drinking attachment (10) on a drinking vessel (12), forming a gap (22) open towards the drinking vessel (12), and is designed such that it can be partially lifted from the drinking rim (14) by a suction action of a user of the drinking attachment (10) in order to create an opening. to release the space (22),wherein the sealing disc (20) has an outwardly projecting circumferential flange (26) in the area of ​​its base, which is designed to bear against the rim surrounding the opening (28) of the drinking vessel (12), wherein the drinking rim (14) is provided with a clamping flange (32) projecting towards the sealing disc (20) in order to clamp the flange (26) of the sealing disc (20) against the rim of the opening (28) of the drinking vessel (12) when the drinking attachment (10) is fastened to a drinking vessel (12), wherein the flange (26) of the sealing disc (20) is provided with a number of openings to the space (22), wherein the clamping flange (32) terminates in front of the openings provided in the flange (26) of the sealing disc (20), and wherein the drinking rim (14') consists of at least two separate components (16', 18'), one of which forms the fastening section (16'). forms.,