push-off aluminum seal是什么

There are many websites about peel-off or tear-off, such as :
http://www.google.com.hk/search?um=1&hl=zh-TW&tbo=d&rlz=1R2ADRA_enHK408&biw=1097&bih=502&tbm=isch&sa=1&q=tear-off+aluminum+seal&oq=tear-off+aluminum+seal&gs_l=img.12...35490.36520.0.38501.4.4.0.0.0.0.94.311.4.4.0...0.0...1c.1.de7gtWBuUBA
But I found only one about push-off, “Combined plastic-aluminum cap (Push-Off cap)” in http://www.emapharma.com/anglais/produits_angl.html

Photo searched by using the keywords “push-off aluminum seal”:

http://www.google.com.hk/search?um=1&hl=zh-TW&tbo=d&rlz=1R2ADRA_enHK408&biw=1097&bih=502&tbm=isch&sa=1&q=push-off+aluminum+seal&oq=push-off+aluminum+seal&gs_l=img.12...3463.5569.0.7675.4.4.0.0.0.0.109.297.2j2.4.0...0.0...1c.1.TUBkXJcozl0

Is this relevant?

http://www.pharmanet.com.br/pdf/blister.pdf



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Pharmaceutical Blister Packaging, Part I - Pharmanet

www.pharmanet.com.br/pdf/blister.pdfwww.pharmanet.com.br/pdf/blister.pdf+push-off+aluminum+seal&sa=X&ei=8Bv2UIzMD8uwiQepnICoBQ&ved=0CFQQHzAE">類似內容 - 翻譯這個網頁

您公開 +1 了這個項目。 復原

檔案類型: PDF/Adobe Acrobat - www.pharmanet.com.br/pdf/blister.pdf+push-off+aluminum+seal&hl=zh-TW&gl=hk&pid=bl&srcid=ADGEESiOuZw-igzQd2d81ePlmQscfDw-hbrDzBTUElS1cSz_waY-ZCm4FQ5pVPSBOsXT_XxM05DvBzSu05UztMmJSsLSeykbg2pyr7xxMrFkrP6lvZi8xtw164mmFigcnp08JxvjEiTo&sig=AHIEtbRFk7jru6KwB3EgtLVhOZe5rFzf9w">快速檢視
由 R Pilchik 著作 - 2000 - 被引用 21 次 - 相關文章
nately in the United States. The concept is to first peel off the paper/PET laminate from the aluminum and then to pushthe tablet through the aluminum. Heat-seal ...

应该指的就是图片中所示的那种铝盖，只是不知这种铝盖有何特点， 该如何翻译为中文。继续搜索中……

搜到瓶盖有不同的种类，有掀开盖 snap cap；

压扭盖： push and turn 同时压下并扭转才能打开的盖子；撕开盖 tear off cap

由此，我推测push off 是一种压下反而会打开的铝盖。不知是否存在这种类型的盖子

会不会是推卸铝封，根据http://ec.mydict.com/push-off+stack/ 的意思转换过来。