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Opening Bottles, Cans, and Packages: Difference between revisions

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*'''Metakein Kli''': There is a prohibition of creating a kli on shabbos, based on Gemara Beitzah 33b regarding breaking off a piece of wood to be used as a toothpick (Shulchan Aruch 322:4). It either falls under the category of boneh or makeh b’patish. When one opens a container, he has created a receptacle that can be used to hold items.<br />
*'''Metakein Kli''': There is a prohibition of creating a kli on shabbos, based on Gemara Beitzah 33b regarding breaking off a piece of wood to be used as a toothpick (Shulchan Aruch 322:4). It either falls under the category of boneh or makeh b’patish. When one opens a container, he has created a receptacle that can be used to hold items.<br />
*'''Koreiya''': Rav Shlomo Zalman Auerbach (Shmiras Shabbos K’hilchasa Perek 9 footnote 12) thinks there are several reasons to be meikil in regards to koreiya. Firstly, we are only dealing with koreiya midrabanan, whether it be because this is a tearing which is a tikkun (Biur Halacha 340:13 s.v. ain), or because it’s not al mnas litfor (Biur Halacha ibid. s.v. vlo). Secondly, since you are only tearing it open in order to get to the food inside, the kli is bateil to the food. He therefore concludes that there is no issur koreiya. <br />
*'''Koreiya''': Rav Shlomo Zalman Auerbach (Shmiras Shabbos K’hilchasa Perek 9 footnote 12) thinks there are several reasons to be meikil in regards to koreiya. Firstly, we are only dealing with koreiya midrabanan, whether it be because this is a tearing which is a tikkun (Biur Halacha 340:13 s.v. ain), or because it’s not al mnas litfor (Biur Halacha ibid. s.v. vlo). Secondly, since you are only tearing it open in order to get to the food inside, the kli is bateil to the food. He therefore concludes that there is no issur koreiya. <br />
*There may be an issue of mechateich, measured cutting, if the container is opened on perforated lines. Rav Shlomo Zalman (quoted in Shmiras Shabbos K’Hilchasa Perek 11 Footnote 31) says that even when poskim get around the above issurim and say that it’s permitted to open a container, they agree that it would be an issur of mocheik if you tear words in the process. However, Yalkut Yosef Shabbos 314:19 paskins that it is not an issue of mocheik, because we are only dealing with mocheik drabanan (because it is not al minas lichtov), and you also are not miskavein, and get no hanaah from erasing the letters, so it’s a Psik Reisha D’lo Nicha Leih, and therefore it’s permitted lchatchila.<br /></ref>
*There may be an issue of mechateich, measured cutting, if the container is opened on perforated lines. Rav Shlomo Zalman (quoted in Shmiras Shabbos K’Hilchasa Perek 11 Footnote 31) says that even when poskim get around the above issurim and say that it’s permitted to open a container, they agree that it would be an issur of mocheik if you tear words in the process. However, Yalkut Yosef Shabbos 314:19 paskins that it is not an issue of mocheik, because we are only dealing with mocheik drabanan (because it is not al minas lichtov), and you also are not miskavein, and get no hanaah from erasing the letters, so it’s a Psik Reisha D’lo Nicha Leih, and therefore it’s permitted initially.<br /></ref>
#It is permitted to cut off the top of a barrel if the top of the barrel is a separate piece from the barrel itself.<ref>Mishna (Shabbat 146a) establishes that it is permitted to cut off the top of a barrel to access the wine on Shabbat. Shulchan Aruch O.C. 314:6 codifies this mishna. The Magen Avraham 314:7 explains that according to Tosfot that there is binyan v'stira b'kelim it is dealing with a barrel that was refurbished, with broken pieces stuck together. However, the Tur permits cutting off the lid even if it is a solid barrel since it is a separate piece from the barrel and not considered one unit with the barrel. Mishna Brurah 314:23 agrees.</ref>


==Opening a bag or container on Shabbat==
==Opening a bag or container on Shabbat==
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