Unsupported browser

You are using an outdated browser. Please upgrade your browser to improve your experience.

Sign up for
an Award

Participate with your entry in one of our professional or student awards.

Sign up for an award

Sign up for
a Profile

Create your own profile and publish it in the iF WORLD DESIGN GUIDE.

Sign up for a profile

Learn more:

iF SOCIAL IMPACT PRIZE
(free of charge)

Present your project for free and win your share of EUR 50,000 in prize money.

Publish your project

Hopper opening / Funnel

Hopper opening
Hopper opening

In the cold winter,Hot-water-bag is our indispensable important products through the winter.However, in the use prod-ure, if the water is too nasty and plugs up the blasthole, air can't discharge in time and leads to water filled out, which is not conducive to the personal safety.This design improve the blasthole of the bag into the shape which is similar to a funnel,which makes the air exhausted effectively and reduces the risk of user being scalded.It would be more convenient to use,if the bag have a handle on its top.

University

Nanjing forestry university

Nanjing forestry university
Nanjing, China

Design

Nanjing forestry university

Nanjing forestry university
Nanjing, China

peifan li,xiaoman fu,yelan shi,jin ye