-
1.
公开(公告)号:US4485520A
公开(公告)日:1984-12-04
申请号:US203359
申请日:1980-11-03
Applicant: Werner Handl , Rupert Englbrecht
Inventor: Werner Handl , Rupert Englbrecht
CPC classification number: B43L19/0025 , C08J9/30 , Y10S264/60
Abstract: Uniformly porous foamed erasers and process for the production thereof, the process comprising continuously mixing air or other gas into a flowable plasticized mixture and gelling the mixture by introducing the same continuously to a heating mean.
Abstract translation: 均匀多孔的泡沫橡皮擦及其生产方法,该方法包括将空气或其它气体连续地混合到可流动的增塑混合物中,并通过将混合物连续地引入加热装置来胶化混合物。